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Search found 207 results on 9 pages for 'ntp'.

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• Can't get DHCPd to assign IPs to unknown clients

  - by Jakobud

  I'm using Webmin to admin our DHCPd server. But I'm having a hard time getting it to assign IP addresses to unknown clients. The only way I can get it to assign an IP is to make sure a host is added to DHCPd as a host so that it gets a static-lease IP assigned to it. I thought "Allow Unknown Clients" was the key, but it still isn't assigning IPs to unknown clients. I have a pool setup so that the unknown clients should get an IP between 10.20.0.200 - 10.20.0.249. Here is the config file. What am I missing here? allow unknown-clients; # Primary DHCP server config authoritative; ddns-update-style none; failover peer "dhcp-failover" { primary; address 10.20.0.30; port 647; peer address 10.20.0.25; peer port 647; max-response-delay 60; max-unacked-updates 10; load balance max seconds 3; mclt 3600; split 128; } subnet 10.20.0.0 netmask 255.255.255.0 { allow unknown-clients; option subnet-mask 255.255.255.0; option broadcast-address 10.20.0.255; option routers 10.20.0.100; option domain-name "ourdomain.com"; option domain-name-servers 192.168.10.20; default-lease-time 86400; max-lease-time 86400; option ntp-servers 192.168.10.20; option time-offset -25200; pool { allow unknown-clients; failover peer "dhcp-failover"; max-lease-time 86400; range 10.20.0.200 10.20.0.249; deny dynamic bootp clients; } host Server-myserver { option host-name "whatever.ourdomain.com"; hardware ethernet 00:89:D4:35:4F:13; fixed-address 10.20.0.23; } }

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• Mysql Servers for Attendance System

  - by foo

  I'm building an attendance system. There are about 20 places where people will check in and check out using Mifare 1K Card. It will use MySQL as the database. The system will display something like "#ID IN: 800AM" when the first time the user checks in and "#ID OUT: 400PM" when the user checks out. For this to work, all the databases need to be synchronized with each other all the times. For an example, if user A went to location #1 to check in but by the time he wants to return home, the server at location #1 went down, he needs to go to location #2 or the nearest server to check out. The server at location #2 should display '#ID OUT: 400PM" and not "#ID IN: 400PM" since he's already checked in. So, what should I use to ensure this idea will work? My main concern is with the network (other department manages it) which is very unpredictable. It just love to go down anytime it wants to. Update LOL, didn't realize my question is not clear, just noticed it when you guys pointed it out, sorry about that. My real question is, how can I configure my MySQL to be synchronized with each other (20 servers)? MySQL cluster ? (tried reading about it, but I'm not sure if it's the right thing to do) My current setup (first phase): Local database for each server OS: Slackware A main server that keeps track which staff is at which server A web based front end for the user to see their history (which connects to the server based on their records) Main Pros No worries about network problems since it is a local database Main Cons A user can only check in and out at the same server. Databases/Servers are not connected with each others. Have to add the user to each server if the users want to check in at different locations. Which means, if he wants to go to location A, he must be checked out from location A first and then check in at location B. The server at location B didn't know that the user has checked in before at A. By the way, I've already centralized my NTP to a local server. About the network, let's just say, I don't have the authority to make changes so that the network will be better. The network won't effect all 20 servers at once, usually, just a few of them for several times a week. If there are anything else you would like me to answer, please just ask.

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• New CentOS/cPanel servers showing high load averages at idle

  - by Jax

  I have taken delivery of two identically specced CentOS/cPanel servers, showing the same behaviour of a resting load average of 1.30, 1.21, 1.16 and yet the CPU is sitting 100% idle. Hardware: Xeon(R) CPU E3-1270 4GB RAM Behavior:- top shows CPU 99.9% idle virtually no disk IO Some command output :- uname -a Linux server.myserver.com 2.6.18-308.4.1.el5PAE #1 SMP Tue Apr 17 17:47:38 EDT 2012 i686 i686 i386 GNU/Linux top top - 10:37:50 up 1:47, 1 user, load average: 1.28, 1.20, 1.17 Tasks: 199 total, 1 running, 198 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 99.9%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 4125104k total, 438764k used, 3686340k free, 25788k buffers Swap: 2096440k total, 0k used, 2096440k free, 291080k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 15 0 2160 640 552 S 0.0 0.0 0:00.89 init 2 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/0 3 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0 4 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0 5 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/1 6 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/1 7 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/1 8 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/2 9 root 35 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/2 10 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/2 11 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/3 12 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/3 13 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/3 14 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/4 15 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/4 16 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/4 17 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/5 18 root 38 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/5 19 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/5 20 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/6 21 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/6 22 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/6 23 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/7 24 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/7 25 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/7 26 root 10 -5 0 0 0 S 0.0 0.0 0:06.42 events/0 27 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/1 28 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/2 29 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/3 30 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/4 31 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/5 32 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/6 33 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 events/7 34 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khelper 35 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kthread 45 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/0 46 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/1 47 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/2 48 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/3 49 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/4 50 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/5 51 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/6 52 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kblockd/7 53 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid 189 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/0 190 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/1 191 root 12 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/2 192 root 12 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/3 193 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/4 194 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/5 195 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/6 196 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/7 199 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khubd ps axf PID TTY STAT TIME COMMAND 1 ? Ss 0:00 init [3] 2 ? S< 0:00 [migration/0] 3 ? SN 0:00 [ksoftirqd/0] 4 ? S< 0:00 [watchdog/0] 5 ? S< 0:00 [migration/1] 6 ? SN 0:00 [ksoftirqd/1] 7 ? S< 0:00 [watchdog/1] 8 ? S< 0:00 [migration/2] 9 ? SN 0:00 [ksoftirqd/2] 10 ? S< 0:00 [watchdog/2] 11 ? S< 0:00 [migration/3] 12 ? SN 0:00 [ksoftirqd/3] 13 ? S< 0:00 [watchdog/3] 14 ? S< 0:00 [migration/4] 15 ? SN 0:00 [ksoftirqd/4] 16 ? S< 0:00 [watchdog/4] 17 ? S< 0:00 [migration/5] 18 ? SN 0:00 [ksoftirqd/5] 19 ? S< 0:00 [watchdog/5] 20 ? S< 0:00 [migration/6] 21 ? SN 0:00 [ksoftirqd/6] 22 ? S< 0:00 [watchdog/6] 23 ? S< 0:00 [migration/7] 24 ? SN 0:00 [ksoftirqd/7] 25 ? S< 0:00 [watchdog/7] 26 ? S< 0:06 [events/0] 27 ? S< 0:00 [events/1] 28 ? S< 0:00 [events/2] 29 ? S< 0:00 [events/3] 30 ? S< 0:00 [events/4] 31 ? S< 0:00 [events/5] 32 ? S< 0:00 [events/6] 33 ? S< 0:00 [events/7] 34 ? S< 0:00 [khelper] 35 ? S< 0:00 [kthread] 45 ? S< 0:00 \_ [kblockd/0] 46 ? S< 0:00 \_ [kblockd/1] 47 ? S< 0:00 \_ [kblockd/2] 48 ? S< 0:00 \_ [kblockd/3] 49 ? S< 0:00 \_ [kblockd/4] 50 ? S< 0:00 \_ [kblockd/5] 51 ? S< 0:00 \_ [kblockd/6] 52 ? S< 0:00 \_ [kblockd/7] 53 ? S< 0:00 \_ [kacpid] 189 ? S< 0:00 \_ [cqueue/0] 190 ? S< 0:00 \_ [cqueue/1] 191 ? S< 0:00 \_ [cqueue/2] 192 ? S< 0:00 \_ [cqueue/3] 193 ? S< 0:00 \_ [cqueue/4] 194 ? S< 0:00 \_ [cqueue/5] 195 ? S< 0:00 \_ [cqueue/6] 196 ? S< 0:00 \_ [cqueue/7] 199 ? S< 0:00 \_ [khubd] 201 ? S< 0:00 \_ [kseriod] 301 ? S 0:00 \_ [khungtaskd] 302 ? S 0:00 \_ [pdflush] 303 ? S 0:00 \_ [pdflush] 304 ? S< 0:00 \_ [kswapd0] 305 ? S< 0:00 \_ [aio/0] 306 ? S< 0:00 \_ [aio/1] 307 ? S< 0:00 \_ [aio/2] 308 ? S< 0:00 \_ [aio/3] 309 ? S< 0:00 \_ [aio/4] 310 ? S< 0:00 \_ [aio/5] 311 ? S< 0:00 \_ [aio/6] 312 ? S< 0:00 \_ [aio/7] 472 ? S< 0:00 \_ [kpsmoused] 551 ? S< 0:00 \_ [ata/0] 552 ? S< 0:00 \_ [ata/1] 553 ? S< 0:00 \_ [ata/2] 554 ? S< 0:00 \_ [ata/3] 555 ? S< 0:00 \_ [ata/4] 556 ? S< 0:00 \_ [ata/5] 557 ? S< 0:00 \_ [ata/6] 558 ? S< 0:00 \_ [ata/7] 559 ? S< 0:00 \_ [ata_aux] 569 ? S< 0:00 \_ [scsi_eh_0] 570 ? S< 0:00 \_ [scsi_eh_1] 571 ? S< 0:00 \_ [scsi_eh_2] 572 ? S< 0:00 \_ [scsi_eh_3] 573 ? S< 0:00 \_ [scsi_eh_4] 574 ? S< 0:00 \_ [scsi_eh_5] 593 ? S< 0:00 \_ [kstriped] 630 ? S< 0:00 \_ [kjournald] 655 ? S< 0:00 \_ [kauditd] 1860 ? S< 0:00 \_ [kmpathd/0] 1861 ? S< 0:00 \_ [kmpathd/1] 1862 ? S< 0:00 \_ [kmpathd/2] 1863 ? S< 0:00 \_ [kmpathd/3] 1864 ? S< 0:00 \_ [kmpathd/4] 1865 ? S< 0:00 \_ [kmpathd/5] 1866 ? S< 0:00 \_ [kmpathd/6] 1867 ? S< 0:00 \_ [kmpathd/7] 1868 ? S< 0:00 \_ [kmpath_handlerd] 1902 ? S< 0:00 \_ [kjournald] 1904 ? S< 0:00 \_ [kjournald] 1906 ? S< 0:00 \_ [kjournald] 1908 ? S< 0:00 \_ [kjournald] 1910 ? S< 0:00 \_ [kjournald] 2184 ? S< 0:00 \_ [iscsi_eh] 2288 ? S< 0:00 \_ [cnic_wq] 2298 ? S< 0:00 \_ [bnx2i_thread/0] 2299 ? S< 0:00 \_ [bnx2i_thread/1] 2300 ? S< 0:00 \_ [bnx2i_thread/2] 2301 ? S< 0:00 \_ [bnx2i_thread/3] 2302 ? S< 0:00 \_ [bnx2i_thread/4] 2303 ? S< 0:00 \_ [bnx2i_thread/5] 2304 ? S< 0:00 \_ [bnx2i_thread/6] 2305 ? S< 0:00 \_ [bnx2i_thread/7] 2330 ? S< 0:00 \_ [ib_addr] 2359 ? S< 0:00 \_ [ib_mcast] 2360 ? S< 0:00 \_ [ib_inform] 2361 ? S< 0:00 \_ [local_sa] 2371 ? S< 0:00 \_ [iw_cm_wq] 2381 ? S< 0:00 \_ [ib_cm/0] 2382 ? S< 0:00 \_ [ib_cm/1] 2383 ? S< 0:00 \_ [ib_cm/2] 2384 ? S< 0:00 \_ [ib_cm/3] 2385 ? S< 0:00 \_ [ib_cm/4] 2386 ? S< 0:00 \_ [ib_cm/5] 2387 ? S< 0:00 \_ [ib_cm/6] 2388 ? S< 0:00 \_ [ib_cm/7] 2398 ? S< 0:00 \_ [rdma_cm] 2684 ? S< 0:00 \_ [bond0] 2882 ? S< 0:00 \_ [bond1] 3195 ? S< 0:00 \_ [kondemand/0] 3197 ? S< 0:00 \_ [kondemand/1] 3198 ? S< 0:00 \_ [kondemand/2] 3199 ? S< 0:00 \_ [kondemand/3] 3200 ? S< 0:00 \_ [kondemand/4] 3201 ? S< 0:00 \_ [kondemand/5] 3202 ? S< 0:00 \_ [kondemand/6] 3203 ? S< 0:00 \_ [kondemand/7] 688 ? S<s 0:00 /sbin/udevd -d 2425 ? S<Lsl 0:00 iscsiuio 2432 ? Ss 0:00 iscsid 2434 ? S<Ls 0:00 iscsid 3061 ? S<sl 0:00 auditd 3063 ? S<sl 0:00 \_ /sbin/audispd 3121 ? Ss 0:00 syslogd -m 0 3124 ? Ss 0:00 klogd -x 3220 ? Ss 0:00 irqbalance 3278 ? Ss 0:00 dbus-daemon --system 3324 ? Ss 0:00 /usr/sbin/acpid 3337 ? Ss 0:00 hald 3338 ? S 0:00 \_ hald-runner 3345 ? S 0:00 \_ hald-addon-acpi: listening on acpid socket /var/run/acpid.socket 3349 ? S 0:00 \_ hald-addon-keyboard: listening on /dev/input/event1 3360 ? S 0:00 \_ hald-addon-storage: polling /dev/sr0 3413 ? Ssl 0:00 automount 3435 ? Ssl 0:00 /usr/sbin/named -u named 3466 ? Ss 0:00 /usr/sbin/sshd 4072 ? Ss 0:00 \_ sshd: root@pts/0 4078 pts/0 Ss 0:00 \_ -bash 5436 pts/0 R+ 0:00 \_ ps axf 3484 ? Ss 0:00 xinetd -stayalive -pidfile /var/run/xinetd.pid 3500 ? SLs 0:00 ntpd -u ntp:ntp -p /var/run/ntpd.pid -g 3514 ? S 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/server.myserver.com.pid 3575 ? Sl 0:00 \_ /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --log-error=/var/lib/mysql/server.myserver.com.err --pid-fil 3687 ? Ss 0:00 /usr/sbin/exim -bd -q1h 3709 ? Ss 0:00 /usr/sbin/dovecot 3710 ? S 0:00 \_ dovecot-auth 3725 ? S 0:00 \_ pop3-login 3726 ? S 0:00 \_ pop3-login 3727 ? S 0:00 \_ imap-login 3728 ? S 0:00 \_ imap-login 3729 ? Ss 0:00 /usr/local/apache/bin/httpd -k start -DSSL 4326 ? S 0:00 \_ /usr/bin/perl /usr/local/cpanel/bin/leechprotect 4332 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4333 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4334 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4335 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4336 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4337 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4382 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4383 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 4384 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 5389 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 5390 ? S 0:00 \_ /usr/local/apache/bin/httpd -k start -DSSL 3741 ? Ss 0:00 pure-ftpd (SERVER) 3746 ? S 0:00 /usr/sbin/pure-authd -s /var/run/ftpd.sock -r /usr/sbin/pureauth 3759 ? Ss 0:00 crond 3772 ? Ss 0:00 /usr/sbin/atd 3909 ? S 0:00 cpsrvd (SSL) - waiting for connections 5435 ? Z 0:00 \_ [cpsrvd-ssl] <defunct> 3931 ? S 0:00 queueprocd - wait to process a task 3948 ? S 0:00 tailwatchd 3954 ? SN 0:00 cpanellogd - sleeping for logs 4003 ? Ss 0:00 ./nimbus /opt/nimsoft 4016 ? S 0:00 \_ nimbus(controller) 4053 ? Sl 0:00 \_ nimbus(spooler) 4066 ? S 0:00 \_ nimbus(hdb) 4069 ? S 0:00 \_ nimbus(cdm) 4070 ? S 0:00 \_ nimbus(processes) 4023 ? S 0:00 /usr/sbin/smartd -q never 4027 tty1 Ss+ 0:00 /sbin/mingetty tty1 4028 tty2 Ss+ 0:00 /sbin/mingetty tty2 4029 tty3 Ss+ 0:00 /sbin/mingetty tty3 4030 tty4 Ss+ 0:00 /sbin/mingetty tty4 4031 tty5 Ss+ 0:00 /sbin/mingetty tty5 4033 tty6 Ss+ 0:00 /sbin/mingetty tty6 4035 ttyS1 Ss+ 0:00 /sbin/agetty -h -L ttyS1 19200 vt100 vmstat 10 6 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 0 3718136 25684 257424 0 0 8 3 127 189 0 0 100 0 0 0 0 0 3718136 25700 257420 0 0 0 7 1013 1500 0 0 100 0 0 0 0 0 3718136 25700 257424 0 0 0 1 1013 1551 0 0 100 0 0 0 0 0 3718136 25700 257424 0 0 0 0 1012 1469 0 0 100 0 0 1 0 0 3712680 25716 257424 0 0 0 2 1013 1542 0 0 100 0 0 0 0 0 3718376 25740 257424 0 0 0 46 1017 1534 0 0 100 0 0 Can anyone advise me as to what is the cause of and how I may resolve this behaviour? A kernel/driver conflict perhaps? I don't see any processes in R or D state that might inflate the load averages artificially, I realise it may be considered low in an 8 thread system but its higher at idle than any normal behaviour I've previously come across. Thanks in advance for your time. Edit: iotop Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND 26 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.29 % [events/0] 3205 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.10 % [kondemand/2] 3208 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kondemand/5] 3209 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kondemand/6] 3207 be/3 root 0.00 B/s 0.00 B/s 0.10 % 0.00 % [kondemand/4] 3210 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kondemand/7] 3227 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % irqbalance 3288 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [rpciod/1] 3287 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [rpciod/0] 3206 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kondemand/3] 3069 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % auditd 3070 be/2 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % audispd 655 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kauditd] 3619 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % automount 3 be/7 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [ksoftirqd/0] 3068 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % auditd 29 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [events/3] 4 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/0] 7 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/1] 10 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/2] 13 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/3] 16 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/4] 19 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/5] 22 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/6] 25 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [watchdog/7] 27 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [events/1] 28 be/3 root 0.00 B/s 0.00 B/s 0.29 % 0.00 % [events/2] 30 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [events/4] 31 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [events/5] 32 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [events/6] 33 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [events/7] 34 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [khelper] 35 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kthread] 45 be/3 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % [kblockd/0]

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• Linux clock loses 10 minutes every week

  - by PaKempf

  One of my linux server's clock loses 10 minutes every now and then, nearly every week. I update the time so it stays correct, and although it doesn't really bother me, i'd like to fix it. I've been searching around a bit. Nothing can be responsible in the crontab, and i can't find any related message in the logs. Some people seem to use ntp to fix that kind of issue, but i'd prefer not to use an unecessary component on it. Uname result : Linux unis-monitor 2.6.32-5-686 #1 SMP Mon Feb 25 01:04:36 UTC 2013 i686 GNU/Linux Cat message : cat messages Jul 14 06:25:06 unis-monitor rsyslogd: [origin software="rsyslogd" swVersion="4.6.4" x-pid="882" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'. Jul 15 06:25:05 unis-monitor rsyslogd: [origin software="rsyslogd" swVersion="4.6.4" x-pid="882" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'. Cat syslog cat syslog Jul 15 06:25:05 unis-monitor rsyslogd: [origin software="rsyslogd" swVersion="4.6.4" x-pid="882" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'. Jul 15 06:39:01 unis-monitor /USR/SBIN/CRON[15272]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 07:09:01 unis-monitor /USR/SBIN/CRON[15465]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 07:17:01 unis-monitor /USR/SBIN/CRON[15521]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 15 07:39:01 unis-monitor /USR/SBIN/CRON[15662]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 08:09:01 unis-monitor /USR/SBIN/CRON[15855]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 08:17:01 unis-monitor /USR/SBIN/CRON[15911]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Jul 15 08:39:01 unis-monitor /USR/SBIN/CRON[16052]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) Jul 15 09:09:01 unis-monitor /USR/SBIN/CRON[16273]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -delete) So if you have any clue of where to look or what i could use to monitor those date change ? Here is some more infos : the server is a virtual server hosted on HyperV on a win 2012 server. Don't know if it changes anything, seen the other servers hosted don't have this issue...

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• Linux: find out what process is using all the RAM?

  - by Timur

  Before actually asking, just to be clear: yes, I know about disk cache, and no, it is not my case :) Sorry, for this preamble :) I'm using CentOS 5. Every application in the system is swapping heavily, and the system is very slow. When I do free -m, here is what I got: total used free shared buffers cached Mem: 3952 3929 22 0 1 18 -/+ buffers/cache: 3909 42 Swap: 16383 46 16337 So, I actually have only 42 Mb to use! As far as I understand, -/+ buffers/cache actually doesn't count the disk cache, so I indeed only have 42 Mb, right? I thought, I might be wrong, so I tried to switch off the disk caching and it had no effect - the picture remained the same. So, I decided to find out who is using all my RAM, and I used top for that. But, apparently, it reports that no process is using my RAM. The only process in my top is MySQL, but it is using 0.1% of RAM and 400Mb of swap. Same picture when I try to run other services or applications - all go in swap, top shows that MEM is not used (0.1% maximum for any process). top - 15:09:00 up 2:09, 2 users, load average: 0.02, 0.16, 0.11 Tasks: 112 total, 1 running, 111 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 4046868k total, 4001368k used, 45500k free, 748k buffers Swap: 16777208k total, 68840k used, 16708368k free, 16632k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP COMMAND 3214 ntp 15 0 23412 5044 3916 S 0.0 0.1 0:00.00 17m ntpd 2319 root 5 -10 12648 4460 3184 S 0.0 0.1 0:00.00 8188 iscsid 2168 root RT 0 22120 3692 2848 S 0.0 0.1 0:00.00 17m multipathd 5113 mysql 18 0 474m 2356 856 S 0.0 0.1 0:00.11 472m mysqld 4106 root 34 19 251m 1944 1360 S 0.0 0.0 0:00.11 249m yum-updatesd 4109 root 15 0 90152 1904 1772 S 0.0 0.0 0:00.18 86m sshd 5175 root 15 0 90156 1896 1772 S 0.0 0.0 0:00.02 86m sshd Restart doesn't help, and, by they way is very slow, which I wouldn't normally expect on this machine (4 cores, 4Gb RAM, RAID1). So, with that - I'm pretty sure that this is not a disk cache, who is using the RAM, because normally it should have been reduced and let other processes to use RAM, rather then go to swap. So, finally, the question is - if someone has any ideas how to find out what process is actually using the memory so heavily?

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• Easy Made Easier

  - by dragonfly

      How easy is it to deploy a 2 node, fully redundant Oracle RAC cluster? Not very. Unless you use an Oracle Database Appliance. The focus of this member of Oracle's Engineered Systems family is to simplify the configuration, management and maintenance throughout the life of the system, while offering pay-as-you-grow scaling. Getting a 2-node RAC cluster up and running in under 2 hours has been made possible by the Oracle Database Appliance. Don't take my word for it, just check out these blog posts from partners and end users. The Oracle Database Appliance Experience - Zip Zoom Zoom http://www.fuadarshad.com/2012/02/oracle-database-appliance-experience.html Off-the-shelf Oracle database servers http://normanweaver.wordpress.com/2011/10/10/off-the-shelf-oracle-database-servers/ Oracle Database Appliance – Deployment Steps http://marcel.vandewaters.nl/oracle/database-appliance/oracle-database-appliance-deployment-steps     See how easy it is to deploy an Oracle Database Appliance for high availability with RAC? Now for the meat of this post, which is the first in a series of posts describing tips for making the deployment of an ODA even easier. The key to the easy deployment of an Oracle Database Appliance is the Appliance Manager software, which does the actual software deployment and configuration, based on best practices. But in order for it to do that, it needs some basic information first, including system name, IP addresses, etc. That's where the Appliance Manager GUI comes in to play, taking a wizard approach to specifying the information needed.     Using the Appliance Manager GUI is pretty straight forward, stepping through several screens of information to enter data in typical wizard style. Like most configuration tasks, it helps to gather the required information before hand. But before you rush out to a committee meeting on what to use for host names, and rely on whatever IP addresses might be hanging around, make sure you are familiar with some of the auto-fill defaults for the Appliance Manager. I'll step through the key screens below to highlight the results of the auto-fill capability of the Appliance Manager GUI.     Depending on which of the 2 Configuration Types (Config Type screen) you choose, you will get a slightly different set of screens. The Typical configuration assumes certain default configuration choices and has the fewest screens, where as the Custom configuration gives you the most flexibility in what you configure from the start. In the examples below, I have used the Custom config type.     One of the first items you are asked for is the System Name (System Info screen). This is used to identify the system, but also as the base for the default hostnames on following screens. In this screen shot, the System Name is "oda".     When you get to the next screen (Generic Network screen), you enter your domain name, DNS IP address(es), and NTP IP address(es). Next up is the Public Network screen, seen below, where you will see the host name fields are automatically filled in with default host names based on the System Name, in this case "oda". The System Name is also the basis for default host names for the extra ethernet ports available for configuration as part of a Custom configuration, as seen in the 2nd screen shot below (Other Network). There is no requirement to use these host names, as you can easily edit any of the host names. This does make filling in the configuration details easier and less prone to "fat fingers" if you are OK with these host names. Here is a full list of the automatically filled in host names. 1 2 1-vip 2-vip -scan 1-ilom 2-ilom 1-net1 2-net1 1-net2 2-net2 1-net3 2-net3     Another auto-fill feature of the Appliance Manager GUI follows a common practice of deploying IP Addresses for a RAC cluster in sequential order. In the screen shot below, I entered the first IP address (Node1-IP), then hit Tab to move to the next field. As a result, the next 5 IP address fields were automatically filled in with the next 5 IP addresses sequentially from the first one I entered. As with the host names, these are not required, and can be changed to whatever your IP address values are. One note of caution though, if the first IP Address field (Node1-IP) is filled out and you click in that field and back out, the following 5 IP addresses will be set to the sequential default. If you don't use the sequential IP addresses, pay attention to where you click that mouse. :-)     In the screen shot below, by entering the netmask value in the Netmask field, in this case 255.255.255.0, the gateway value was auto-filled into the Gateway field, based on the IP addresses and netmask previously entered. As always, you can change this value.     My last 2 screen shots illustrate that the same sequential IP address autofill and netmask to gateway autofill works when entering the IP configuration details for the Integrated Lights Out Manager (ILOM) for both nodes. The time these auto-fill capabilities save in entering data is nice, but from my perspective not as important as the opportunity to avoid data entry errors. In my next post in this series, I will touch on the benefit of using the network validation capability of the Appliance Manager GUI prior to deploying an Oracle Database Appliance.

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• Exalogic 2.0.1 Tea Break Snippets - Modifying the Default Shipped Template

  - by The Old Toxophilist

  Having installed your Exalogic Virtual environment by default you have a single template which can be used to create your vServers. Although this template is suitable for creating simple test or development vServers it is recommended that you look at creating your own custom vServers that match the environment you wish to build and deploy. Therefore this Tea Time Snippet will take you through the simple process of modifying the standard template. Before You Start To edit the template you will need the Oracle ModifyJeos Utility which can be downloaded from the eDelivery Site. Once the ModifyJeos Utility has been downloaded we can install the rpms onto either an existing vServer or one of the Control vServers. rpm -ivh ovm-modify-jeos-1.0.1-10.el5.noarch.rpm rpm -ivh ovm-template-config-1.0.1-5.el5.noarch.rpm Alternatively you can install the modify jeos packages on a none Exalogic OEL installation or a VirtualBox image. If you are doing this, assuming OEL 5u8, you will need the following rpms. rpm -ivh ovm-modify-jeos-1.0.1-10.el5.noarch.rpm rpm -ivh ovm-el5u2-xvm-jeos-1.0.1-5.el5.i386.rpm rpm -ivh ovm-template-config-1.0.1-5.el5.noarch.rpm Base Template If you have installed the modify onto a vServer running on the Exalogic then simply mount the /export/common/images from the ZFS storage and you will be able to find the el_x2-2_base_linux_guest_vm_template_2.0.1.1.0_64.tgz (or similar depending which version you have) template file. Alternatively the latest can be downloaded from the eDelivery Site. Now we have the Template tgz we will need the extract it as follows: tar -zxvf  el_x2-2_base_linux_guest_vm_template_2.0.1.1.0_64.tgz This will create a directory called BASE which will contain the System.img (VServer image) and vm.cfg (VServer Config information). This directory should be renamed to something more meaning full that indicates what we have done to the template and then the Simple name / name in the vm.cfg editted for the same reason. Modifying the Template Resizing Root File System By default the shipped template has a root size of 4 GB which will leave a vServer created from it running at 90% full on the root disk. We can simply resize the template by executing the following: modifyjeos -f System.img -T <New Size MB>) For example to imcrease the default 4 GB to 40 GB we would execute: modifyjeos -f System.img -T 40960) Resizing Swap We can modify the size of the swap space within a template by executing the following: modifyjeos -f System.img -S <New Size MB>) For example to increase the swap from the default 512 MB to 4 GB we would execute: modifyjeos -f System.img -S 4096) Changing RPMs Adding RPMs To add RPMs using modifyjeos, complete the following steps: Add the names of the new RPMs in a list file, such as addrpms.lst. In this file, you should list each new RPM in a separate line. Ensure that all of the new RPMs are in a single directory, such as rpms. Run the following command to add the new RPMs: modifyjeos -f System.img -a <path_to_addrpms.lst> -m <path_to_rpms> -nogpg Where <path_to_addrpms.lst> is the path to the location of the addrpms.lst file, and <path_to_rpms> is the path to the directory that contains the RPMs. The -nogpg option eliminates signature check on the RPMs. Removing RPMs To remove RPM s using modifyjeos, complete the following steps: Add the names of the RPMs (the ones you want to remove) in a list file, such as removerpms.lst. In this file, you should list each RPM in a separate line. The Oracle Exalogic Elastic Cloud Administrator's Guide provides a list of all RPMs that must not be removed from the vServer. Run the following command to remove the RPMs: modifyjeos -f System.img -e <path_to_removerpms.lst> Where <path_to_removerpms.lst> is the path to the location of the removerpms.lst file. Mounting the System.img For all other modifications that are not supported by the modifyjeos command (adding you custom yum repositories, pre configuring NTP, modify default NFSv4 Nobody functionality, etc) we can mount the System.img and access it directly. To facititate quick and easy mounting/unmounting of the System.img I have put together the simple scripts below. MountSystemImg.sh #!/bin/sh # The script assumes it's being run from the directory containing the System.img # Export for later i.e. during unmount export LOOP=`losetup -f` export SYSTEMIMG=/mnt/elsystem # Make Temp Mount Directory mkdir -p $SYSTEMIMG # Create Loop for the System Image losetup $LOOP System.img kpartx -a $LOOP mount /dev/mapper/`basename $LOOP`p2 $SYSTEMIMG #Change Dir into mounted Image cd $SYSTEMIMG UnmountSystemImg.sh #!/bin/sh # The script assumes it's being run from the directory containing the System.img # Assume the $LOOP & $SYSTEMIMG exist from a previous run on the MountSystemImg.sh umount $SYSTEMIMG kpartx -d $LOOP losetup -d $LOOP Packaging the Template Once you have finished modifying the template it can be simply repackaged and then imported into EMOC as described in "Exalogic 2.0.1 Tea Break Snippets - Importing Public Server Template". To do this we will simply cd to the directory above that containing the modified files and execute the following: tar -zcvf <New Template Directory> <New Template Name>.tgz The resulting.tgz file can be copied to the images directory on the ZFS and uploadd using the IB network. This entry was originally posted on the The Old Toxophilist Site.

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• Persistent static routes fail on MacOS 10.6.5 startup!

  - by verbalicious

  I'm unable to get static routes to persist a reboot on Mac OS 10.6.5. I've tried all of the methods prescribed in Google search results, and previous posts on this site. I've tried manually creating a launchd daemon, and used RouteSplit's launchd daemon to no avail. It's clear that the interface is not ready when these methods attempt to apply the route. This workstation in question is getting its IP from DHCP and probably hasn't gotten its DHCP lease when the command runs. We're able to apply the route by hand when logged in, but not through startup methods. Is there another way to apply this route by sneaking the command into something later, but before the login window appears to the user? Here is some relevant log info from system.log. You can see the "route: writing to routing socket: Network is unreachable" errors where my launchd script fires off. I've tried adding extra "sleep" and "ipconfig waitall" statements later in the script but this doesn't fly. Dec 15 19:30:41 localhost com.apple.launchd[1]: *** launchd[1] has started up. *** Dec 15 19:30:45 localhost mDNSResponder[18]: mDNSResponder mDNSResponder-258.13 (Oct 8 2010 17:10:30) starting Dec 15 19:30:47 localhost configd[15]: bootp_session_transmit: bpf_write(en1) failed: Network is down (50) Dec 15 19:30:47 localhost configd[15]: DHCP en1: INIT transmit failed Dec 15 19:30:47 localhost configd[15]: network configuration changed. Dec 15 19:30:47 Administrators-MacBook-Pro configd[15]: setting hostname to "Administrators-MacBook-Pro.local" Dec 15 19:30:47 Administrators-MacBook-Pro blued[16]: Apple Bluetooth daemon started Dec 15 19:30:52 Administrators-MacBook-Pro syslog[67]: routes.sh: Starting RouteSplit Dec 15 19:30:53 Administrators-MacBook-Pro com.apple.usbmuxd[41]: usbmuxd-207 built for iTunesTenOne on Oct 19 2010 at 13:50:35, running 64 bit Dec 15 19:30:54 Administrators-MacBook-Pro /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[50]: Login Window Application Started Dec 15 19:30:55 Administrators-MacBook-Pro bootlog[61]: BOOT_TIME: 1292459441 0 Dec 15 19:30:55 Administrators-MacBook-Pro syslog[86]: routes.sh: static route 192.168.0.0/23 192.168.2.2 Dec 15 19:30:55 Administrators-MacBook-Pro net.routes.static[65]: route: writing to routing socket: Network is unreachable Dec 15 19:30:55 Administrators-MacBook-Pro net.routes.static[65]: add net 192.168.0.0: gateway 192.168.2.2: Network is unreachable Dec 15 19:30:57 Administrators-MacBook-Pro org.apache.httpd[38]: httpd: Could not reliably determine the server's fully qualified domain name, using Administrators-MacBook-Pro.local for ServerName Dec 15 19:30:58 Administrators-MacBook-Pro loginwindow[50]: Login Window Started Security Agent Dec 15 19:30:58 Administrators-MacBook-Pro WindowServer[89]: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Dec 15 19:30:58 Administrators-MacBook-Pro com.apple.WindowServer[89]: Wed Dec 15 19:30:58 Administrators-MacBook-Pro.local WindowServer[89] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Dec 15 19:31:18 Administrators-MacBook-Pro configd[15]: network configuration changed. Dec 15 19:31:19 administrators-macbook-pro configd[15]: setting hostname to "administrators-macbook-pro.local" Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[121]: /usr/libexec/ntpd-wrapper: scutil key State:/Network/Global/DNS not present after 30 seconds Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: sntp options: a=2 v=1 e=0.100 E=5.000 P=2147483647.000 Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: d=15 c=5 x=0 op=1 l=/var/run/sntp.pid f= time.apple.com Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: sntp: getaddrinfo(hostname, ntp) failed with nodename nor servname provided, or not known Dec 15 19:31:27 administrators-macbook-pro configd[15]: network configuration changed. Dec 15 19:31:27 Administrators-MacBook-Pro configd[15]: setting hostname to "Administrators-MacBook-Pro.local" Dec 15 19:31:27 Administrators-MacBook-Pro ntpd[37]: Cannot find existing interface for address 17.151.16.20 Dec 15 19:31:27 Administrators-MacBook-Pro ntpd_initres[125]: ntpd indicates no data available! Dec 15 19:31:31 Administrators-MacBook-Pro sshd[128]: USER_PROCESS: 133 ttys000 Dec 15 19:31:37 Administrators-MacBook-Pro sudo[138]: administrator : TTY=ttys000 ; PWD=/Users/administrator ; USER=root ; COMMAND=/usr/bin/less /var/log/system.log ``You can see the following line in /var/log/kernel.log that shows the en0 interface coming up: Dec 15 19:30:51 Administrators-MacBook-Pro kernel[0]: Ethernet [AppleBCM5701Ethernet]: Link up on en0, 1-Gigabit, Full-duplex, No flow-control, Debug [796d,0f01,0de1,0300,c1e1,3800]

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• Persistent static routes fail on MacOS 10.6.5 startup!

  - by verbalicious

  I'm unable to get static routes to persist a reboot on Mac OS 10.6.5. I've tried all of the methods prescribed in Google search results, and previous posts on this site. I've tried manually creating a launchd daemon, and used RouteSplit's launchd daemon to no avail. It's clear that the interface is not ready when these methods attempt to apply the route. This workstation in question is getting its IP from DHCP and probably hasn't gotten its DHCP lease when the command runs. We're able to apply the route by hand when logged in, but not through startup methods. Is there another way to apply this route by sneaking the command into something later, but before the login window appears to the user? Here is some relevant log info from system.log. You can see the "route: writing to routing socket: Network is unreachable" errors where my launchd script fires off. I've tried adding extra "sleep" and "ipconfig waitall" statements later in the script but this doesn't fly. Dec 15 19:30:41 localhost com.apple.launchd[1]: *** launchd[1] has started up. *** Dec 15 19:30:45 localhost mDNSResponder[18]: mDNSResponder mDNSResponder-258.13 (Oct 8 2010 17:10:30) starting Dec 15 19:30:47 localhost configd[15]: bootp_session_transmit: bpf_write(en1) failed: Network is down (50) Dec 15 19:30:47 localhost configd[15]: DHCP en1: INIT transmit failed Dec 15 19:30:47 localhost configd[15]: network configuration changed. Dec 15 19:30:47 Administrators-MacBook-Pro configd[15]: setting hostname to "Administrators-MacBook-Pro.local" Dec 15 19:30:47 Administrators-MacBook-Pro blued[16]: Apple Bluetooth daemon started Dec 15 19:30:52 Administrators-MacBook-Pro syslog[67]: routes.sh: Starting RouteSplit Dec 15 19:30:53 Administrators-MacBook-Pro com.apple.usbmuxd[41]: usbmuxd-207 built for iTunesTenOne on Oct 19 2010 at 13:50:35, running 64 bit Dec 15 19:30:54 Administrators-MacBook-Pro /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[50]: Login Window Application Started Dec 15 19:30:55 Administrators-MacBook-Pro bootlog[61]: BOOT_TIME: 1292459441 0 Dec 15 19:30:55 Administrators-MacBook-Pro syslog[86]: routes.sh: static route 192.168.0.0/23 192.168.2.2 Dec 15 19:30:55 Administrators-MacBook-Pro net.routes.static[65]: route: writing to routing socket: Network is unreachable Dec 15 19:30:55 Administrators-MacBook-Pro net.routes.static[65]: add net 192.168.0.0: gateway 192.168.2.2: Network is unreachable Dec 15 19:30:57 Administrators-MacBook-Pro org.apache.httpd[38]: httpd: Could not reliably determine the server's fully qualified domain name, using Administrators-MacBook-Pro.local for ServerName Dec 15 19:30:58 Administrators-MacBook-Pro loginwindow[50]: Login Window Started Security Agent Dec 15 19:30:58 Administrators-MacBook-Pro WindowServer[89]: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Dec 15 19:30:58 Administrators-MacBook-Pro com.apple.WindowServer[89]: Wed Dec 15 19:30:58 Administrators-MacBook-Pro.local WindowServer[89] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Dec 15 19:31:18 Administrators-MacBook-Pro configd[15]: network configuration changed. Dec 15 19:31:19 administrators-macbook-pro configd[15]: setting hostname to "administrators-macbook-pro.local" Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[121]: /usr/libexec/ntpd-wrapper: scutil key State:/Network/Global/DNS not present after 30 seconds Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: sntp options: a=2 v=1 e=0.100 E=5.000 P=2147483647.000 Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: d=15 c=5 x=0 op=1 l=/var/run/sntp.pid f= time.apple.com Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: sntp: getaddrinfo(hostname, ntp) failed with nodename nor servname provided, or not known Dec 15 19:31:27 administrators-macbook-pro configd[15]: network configuration changed. Dec 15 19:31:27 Administrators-MacBook-Pro configd[15]: setting hostname to "Administrators-MacBook-Pro.local" Dec 15 19:31:27 Administrators-MacBook-Pro ntpd[37]: Cannot find existing interface for address 17.151.16.20 Dec 15 19:31:27 Administrators-MacBook-Pro ntpd_initres[125]: ntpd indicates no data available! Dec 15 19:31:31 Administrators-MacBook-Pro sshd[128]: USER_PROCESS: 133 ttys000 Dec 15 19:31:37 Administrators-MacBook-Pro sudo[138]: administrator : TTY=ttys000 ; PWD=/Users/administrator ; USER=root ; COMMAND=/usr/bin/less /var/log/system.log ``You can see the following line in /var/log/kernel.log that shows the en0 interface coming up: Dec 15 19:30:51 Administrators-MacBook-Pro kernel[0]: Ethernet [AppleBCM5701Ethernet]: Link up on en0, 1-Gigabit, Full-duplex, No flow-control, Debug [796d,0f01,0de1,0300,c1e1,3800]

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• Persistent static routes fail on MacOS 10.6.5 startup!

  - by verbalicious

  I'm unable to get static routes to persist a reboot on Mac OS 10.6.5. I've tried all of the methods prescribed in Google search results, and previous posts on this site. I've tried manually creating a launchd daemon, and used RouteSplit's launchd daemon to no avail. It's clear that the interface is not ready when these methods attempt to apply the route. This workstation in question is getting its IP from DHCP and probably hasn't gotten its DHCP lease when the command runs. We're able to apply the route by hand when logged in, but not through startup methods. Is there another way to apply this route by sneaking the command into something later, but before the login window appears to the user? Here is some relevant log info from system.log. You can see the "route: writing to routing socket: Network is unreachable" errors where my launchd script fires off. I've tried adding extra "sleep" and "ipconfig waitall" statements later in the script but this doesn't fly. Dec 15 19:30:41 localhost com.apple.launchd[1]: *** launchd[1] has started up. *** Dec 15 19:30:45 localhost mDNSResponder[18]: mDNSResponder mDNSResponder-258.13 (Oct 8 2010 17:10:30) starting Dec 15 19:30:47 localhost configd[15]: bootp_session_transmit: bpf_write(en1) failed: Network is down (50) Dec 15 19:30:47 localhost configd[15]: DHCP en1: INIT transmit failed Dec 15 19:30:47 localhost configd[15]: network configuration changed. Dec 15 19:30:47 Administrators-MacBook-Pro configd[15]: setting hostname to "Administrators-MacBook-Pro.local" Dec 15 19:30:47 Administrators-MacBook-Pro blued[16]: Apple Bluetooth daemon started Dec 15 19:30:52 Administrators-MacBook-Pro syslog[67]: routes.sh: Starting RouteSplit Dec 15 19:30:53 Administrators-MacBook-Pro com.apple.usbmuxd[41]: usbmuxd-207 built for iTunesTenOne on Oct 19 2010 at 13:50:35, running 64 bit Dec 15 19:30:54 Administrators-MacBook-Pro /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[50]: Login Window Application Started Dec 15 19:30:55 Administrators-MacBook-Pro bootlog[61]: BOOT_TIME: 1292459441 0 Dec 15 19:30:55 Administrators-MacBook-Pro syslog[86]: routes.sh: static route 192.168.0.0/23 192.168.2.2 Dec 15 19:30:55 Administrators-MacBook-Pro net.routes.static[65]: route: writing to routing socket: Network is unreachable Dec 15 19:30:55 Administrators-MacBook-Pro net.routes.static[65]: add net 192.168.0.0: gateway 192.168.2.2: Network is unreachable Dec 15 19:30:57 Administrators-MacBook-Pro org.apache.httpd[38]: httpd: Could not reliably determine the server's fully qualified domain name, using Administrators-MacBook-Pro.local for ServerName Dec 15 19:30:58 Administrators-MacBook-Pro loginwindow[50]: Login Window Started Security Agent Dec 15 19:30:58 Administrators-MacBook-Pro WindowServer[89]: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Dec 15 19:30:58 Administrators-MacBook-Pro com.apple.WindowServer[89]: Wed Dec 15 19:30:58 Administrators-MacBook-Pro.local WindowServer[89] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Dec 15 19:31:18 Administrators-MacBook-Pro configd[15]: network configuration changed. Dec 15 19:31:19 administrators-macbook-pro configd[15]: setting hostname to "administrators-macbook-pro.local" Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[121]: /usr/libexec/ntpd-wrapper: scutil key State:/Network/Global/DNS not present after 30 seconds Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: sntp options: a=2 v=1 e=0.100 E=5.000 P=2147483647.000 Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: d=15 c=5 x=0 op=1 l=/var/run/sntp.pid f= time.apple.com Dec 15 19:31:25 administrators-macbook-pro _mdnsresponder[124]: sntp: getaddrinfo(hostname, ntp) failed with nodename nor servname provided, or not known Dec 15 19:31:27 administrators-macbook-pro configd[15]: network configuration changed. Dec 15 19:31:27 Administrators-MacBook-Pro configd[15]: setting hostname to "Administrators-MacBook-Pro.local" Dec 15 19:31:27 Administrators-MacBook-Pro ntpd[37]: Cannot find existing interface for address 17.151.16.20 Dec 15 19:31:27 Administrators-MacBook-Pro ntpd_initres[125]: ntpd indicates no data available! Dec 15 19:31:31 Administrators-MacBook-Pro sshd[128]: USER_PROCESS: 133 ttys000 Dec 15 19:31:37 Administrators-MacBook-Pro sudo[138]: administrator : TTY=ttys000 ; PWD=/Users/administrator ; USER=root ; COMMAND=/usr/bin/less /var/log/system.log ``You can see the following line in /var/log/kernel.log that shows the en0 interface coming up: Dec 15 19:30:51 Administrators-MacBook-Pro kernel[0]: Ethernet [AppleBCM5701Ethernet]: Link up on en0, 1-Gigabit, Full-duplex, No flow-control, Debug [796d,0f01,0de1,0300,c1e1,3800]

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• Samba4 [homes] share

  - by SambaDrivesMeCrazy

  I am having issues with the [homes] share. OS is Ubuntu 12.04. I've installed samba 4.0.3, bind9 dlz, ntp, winbind, everything but pam modules, and did all the tests from https://wiki.samba.org/index.php/Samba_AD_DC_HOWTO. Running getent passwd and getent user work just fine. Creating a simple share works just fine too. I can manage the users, GPOs, and DNS from the windows mmc snap-ins. I can join winxp,7,8 to the domain and log on perfectly. I can change my passwords from windows, etc..etc.. I could say that everything is fine and be happy :) buuuut, no, home directories do not work. Searching in here, and on our good friend google I gathered that a simple [homes] read only = no path = /storage-server/users/ and mapping the user's home folder in dsa.msc to \\server-001\username or \\server-001\homes should get me a home share I could map for my user homedir. But the snap-in give me an error saying that it cannot create the home folder because the network name has not been found (rough translation from portuguese). also, running root@server-001:/storage-server/users# smbclient //server-001/test -Utest%'12345678' -c 'ls' Domain=[MYDOMAIN] OS=[Unix] Server=[Samba 4.0.3] tree connect failed: NT_STATUS_BAD_NETWORK_NAME Server name is alright, if I go for a simple share on the same server it opens just fine. If I map the user homedir to this simple share it works. What I want is that I dont have to go and manually make a new folder on linux everytime I create a new user on windows. It looks like permissions but I cant find any documentation on this (yes I've tried the manpages, but its hard to tell with so many options on man smb.conf alone). My smb.conf right now looks like this (pretty simple I know) # Global parameters [global] workgroup = MYDOMAIN realm = MYDOMAIN.LAN netbios name = SERVER-001 server role = active directory domain controller server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbind, ntp_signd, kcc, dnsupdate [netlogon] path = /usr/local/samba/var/locks/sysvol/mydomain.lan/scripts read only = No [sysvol] path = /usr/local/samba/var/locks/sysvol read only = No [homes] read only = no path = /storage-server/users Folder permissions /storage-server drwxr-xr-x 6 root root 4096 Fev 15 15:17 storage-server /storage-server/users drwxrwxrwx 6 root root 4096 Fev 18 17:05 users/ Yes, I was desperate enough to set 777 on the users folder... not proud of it. Any pointers in the right direction would be very welcome. Edited to include: root@server-001:/# wbinfo --user-info=test MYDOMAIN\test:*:3000045:100:test:/home/MYDOMAIN/test:/bin/false root@server-001:/# wbinfo -n test S-1-5-21-1957592451-3401938807-633234758-1128 SID_USER (1) root@server-001:/# id test uid=3000045(MYDOMAIN\test) gid=100(users) grupos=100(users) root@server-001:/# wbinfo -U 3000045 S-1-5-21-1957592451-3401938807-633234758-1128 root@server-001:/# Edit 2: getent passwd | grep test MYDOMAIN\test:*:3000045:100:test:/home/MYDOMAIN/test:/bin/false I have no idea how to change that home folder to /storage-server/users/test so I just went and ln -s /storage-server/users /home/MYDOMAIN just in case. still, no changes, same errors. Edit 3 On log.smbd I get the following error when trying to set the test user home folder to \server-001\test [2013/02/20 14:22:08.446658, 2] ../source3/smbd/service.c:418(create_connection_session_info) user 'MYDOMAIN\Administrator' (from session setup) not permitted to access this share (test)

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• Troubleshooting High Load on Plesk LAMP Dedicated Server

  - by Callmeed

  I have 2 nearly identical dedicated servers with the same provider. They also run a nearly identical software stack: RedHat 5 64-bit, Plesk, PHP, Apache, & MySQL. We use them for hosting custom sites we build. The problem is, while our 1st server has a load average (in top) of around 0.3, the 2nd server consistently has a load average of around 4.0 or higher. Basic functions in Plesk are delayed and there is a bit of latency when executing shell commands. Anyone have ideas why it would be so high? And why it would differ from our other server so much? Here is my current top output (sorted by %MEM) ... Any help is much appreciated ... top - 21:48:04 up 100 days, 4:28, 1 user, load average: 3.74, 4.20, 4.23 Tasks: 336 total, 1 running, 335 sleeping, 0 stopped, 0 zombie Cpu(s): 0.8%us, 0.4%sy, 0.0%ni, 91.3%id, 7.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 12290884k total, 11886452k used, 404432k free, 2920212k buffers Swap: 2096472k total, 244k used, 2096228k free, 6560692k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22536 apache 15 0 860m 547m 6484 S 0.0 4.6 0:10.96 httpd 26467 apache 15 0 859m 546m 6408 S 0.0 4.5 0:07.67 httpd 3620 apache 15 0 859m 545m 5552 S 0.0 4.5 0:06.15 httpd 1895 apache 15 0 858m 544m 6356 S 0.0 4.5 0:08.25 httpd 16933 apache 15 0 858m 544m 5488 S 0.0 4.5 0:01.57 httpd 6431 apache 15 0 856m 542m 6076 S 10.6 4.5 0:05.32 httpd 14417 apache 15 0 856m 542m 5568 S 0.0 4.5 0:03.88 httpd 15403 apache 15 0 855m 541m 5616 S 0.0 4.5 0:03.73 httpd 19165 apache 15 0 853m 539m 6252 S 0.0 4.5 0:12.40 httpd 15898 apache 15 0 852m 539m 5376 S 0.0 4.5 0:02.68 httpd 14401 apache 15 0 851m 538m 5460 S 0.0 4.5 0:02.97 httpd 15393 apache 15 0 851m 538m 5404 S 0.0 4.5 0:03.12 httpd 15427 apache 15 0 851m 538m 5496 S 0.0 4.5 0:02.44 httpd 14412 apache 15 0 851m 538m 5324 S 0.0 4.5 0:02.15 httpd 18330 apache 15 0 851m 537m 5136 S 0.0 4.5 0:01.30 httpd 18303 apache 15 0 848m 535m 5140 S 0.0 4.5 0:00.47 httpd 21190 apache 15 0 845m 533m 3988 S 0.0 4.4 0:00.33 httpd 15923 root 18 0 822m 521m 9928 S 0.0 4.3 10:04.81 httpd 22021 apache 15 0 828m 520m 4964 S 0.0 4.3 0:00.16 httpd 22146 apache 15 0 823m 515m 3016 S 0.0 4.3 0:00.02 httpd 22345 apache 15 0 822m 514m 2408 S 0.0 4.3 0:00.00 httpd 14721 apache 15 0 733m 510m 488 S 0.0 4.3 0:00.00 httpd 5094 root 15 0 1452m 122m 15m S 1.0 1.0 852:24.24 java 4636 mysql 15 0 532m 57m 6440 S 1.0 0.5 488:05.84 mysqld 4799 popuser 15 0 166m 53m 2368 S 0.0 0.4 0:36.64 spamd 16761 popuser 15 0 159m 46m 2312 S 0.0 0.4 0:00.38 spamd 4797 root 15 0 158m 45m 2448 S 0.0 0.4 0:01.27 spamd 5074 root 34 19 255m 20m 2144 S 0.0 0.2 1:37.53 yum-updatesd 9917 named 15 0 366m 9804 1980 S 0.0 0.1 0:10.26 named 4332 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.06 sw-engine-cgi 4341 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.07 sw-engine-cgi 4350 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.09 sw-engine-cgi 4352 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.11 sw-engine-cgi 4376 ntp 15 0 23388 5020 3896 S 0.0 0.0 0:00.58 ntpd 4331 sw-cp-se 15 0 61336 4572 1480 S 0.0 0.0 5:53.22 sw-cp-serverd 4213 haldaemo 15 0 31252 4460 1684 S 0.0 0.0 0:01.52 hald 4778 postgres 18 0 117m 4164 3484 S 0.0 0.0 0:00.11 postmaster 18555 root 16 0 98.3m 3716 2852 S 0.0 0.0 0:00.01 sshd 4488 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4489 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4492 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4493 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4490 sso 18 0 119m 3040 220 S 0.0 0.0 0:00.00 sw-engine-cgi

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• Tuning performance of Ubuntu 10.04 on Compaq Evo W4000.

  - by Fantomas

  Hi, I got this computer free and installed Ubuntu 10.04 on it + updates, plus followed the following tutorial all the way: http://www.unixmen.com/linux-tutorials/937-things-to-do-after-installing-ubuntu-1004-lts-lucid-lynx I love the Docky which comes with it, but the computer has been running rather slowly. The System: kernel 2.6.32-22-generic Gnome 2.30.0 (I like Gnome!) Memory: 1GB Processor: Intel (R) Pentium (R) 4 CPU 1700 MHz (needless to say, it is 32 bit). I think I dedicated 128 Mb to video memory while installing, but cannot find this setting now. I did also install an NVidia driver for the 3D card, so I probably want to reclaim that memory back. I want to trim the fat but I also want to keep some of the sex appeal of Ubuntu 10.04. I will gift this computer to a friend, who will use it for Internet, music, videos, word processing, Skype and instant messaging - he is non-technical, so this hardware and Linux should work for him; I just need to speed it up while keeping the good software and having a nice UI. I sort of know my way around Linux, but not that well. Feel free to ask me to run particular commands if you want more info. For starters, here are the services below. Which ones can I kill and how? What else can go? There is no need to run ssh or ftp or http or ntp servers. As I said before, this computer is for non-technical person. There is also absolutely no bluetooth or wireless networking needed - it will feed off a regular ethernet cable. What I do not want to do is reinstall some other distro or recompile a kernel. I want to make it 80% perfect spending 20% of the energy :) Thanks! $ service --status-all [ ? ] acpi-support [ ? ] acpid [ ? ] alsa-mixer-save [ ? ] anacron [ - ] apparmor [ ? ] apport [ ? ] atd [ ? ] avahi-daemon [ ? ] binfmt-support [ - ] bluetooth [ - ] bootlogd [ - ] brltty [ ? ] console-setup [ ? ] cron [ + ] cups [ ? ] dbus [ ? ] dmesg [ ? ] dns-clean [ ? ] failsafe-x [ - ] fancontrol [ ? ] gdm [ - ] grub-common [ ? ] hostname [ ? ] hwclock [ ? ] hwclock-save [ ? ] irqbalance [ - ] kerneloops [ ? ] killprocs [ - ] lm-sensors [ ? ] module-init-tools [ ? ] network-interface [ ? ] network-interface-security [ ? ] network-manager [ ? ] networking [ ? ] ondemand [ ? ] pcmciautils [ ? ] plymouth [ ? ] plymouth-log [ ? ] plymouth-splash [ ? ] plymouth-stop [ ? ] pppd-dns [ ? ] procps [ + ] pulseaudio [ ? ] rc.local [ - ] rsync [ ? ] rsyslog [ - ] saned [ ? ] screen-cleanup [ ? ] sendsigs [ ? ] speech-dispatcher [ ? ] stop-bootlogd [ ? ] stop-bootlogd-single [ ? ] udev [ ? ] udev-finish [ ? ] udevmonitor [ ? ] udevtrigger [ ? ] ufw [ ? ] umountfs [ ? ] umountnfs.sh [ ? ] umountroot [ ? ] unattended-upgrades [ - ] urandom [ + ] winbind [ ? ] wpa-ifupdown [ - ] x11-common

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• Ubuntu server loses exactly 5 minutes once in a while

  - by Harold Smith

  I noticed that my server, an Ubuntu server 12.04, was losing time. I figured the hardware clock was off or maybe dying due to a faulty CMOS battery. I installed NTP to ensure the drift would be corrected, but to no avail. During a day it would lose 20 minutes or so. To debug, I created a small cron job to check against a remote servers time, which I knew to be correct. The script calculates the difference in seconds between local and remote time. The result was interesting. It seems to be losing exactly 5 minutes several times during the day. Look at this log (difference from remote server noted in seconds): Tue Oct 23 03:30:02 CEST 2012: 284 Tue Oct 23 03:35:02 CEST 2012: 284 Tue Oct 23 03:40:01 CEST 2012: 285 Tue Oct 23 03:45:02 CEST 2012: 285 Tue Oct 23 03:50:02 CEST 2012: 285 Tue Oct 23 03:55:02 CEST 2012: 284 Tue Oct 23 04:00:02 CEST 2012: 284 Tue Oct 23 04:05:01 CEST 2012: 285 Tue Oct 23 04:10:01 CEST 2012: 285 Tue Oct 23 04:15:02 CEST 2012: 585 Tue Oct 23 04:20:02 CEST 2012: 584 Tue Oct 23 04:25:02 CEST 2012: 584 Tue Oct 23 04:30:02 CEST 2012: 584 Tue Oct 23 04:35:01 CEST 2012: 585 Tue Oct 23 04:40:01 CEST 2012: 585 Tue Oct 23 04:45:02 CEST 2012: 585 Tue Oct 23 04:50:02 CEST 2012: 584 Tue Oct 23 04:55:02 CEST 2012: 584 Tue Oct 23 05:00:02 CEST 2012: 584 Tue Oct 23 05:05:01 CEST 2012: 585 Tue Oct 23 05:10:01 CEST 2012: 585 Tue Oct 23 05:15:02 CEST 2012: 585 Tue Oct 23 05:20:02 CEST 2012: 584 Tue Oct 23 05:25:02 CEST 2012: 584 Tue Oct 23 05:30:02 CEST 2012: 584 Tue Oct 23 05:35:01 CEST 2012: 585 Tue Oct 23 05:40:01 CEST 2012: 585 Tue Oct 23 05:45:02 CEST 2012: 584 Tue Oct 23 05:50:02 CEST 2012: 584 Tue Oct 23 05:55:02 CEST 2012: 584 Tue Oct 23 06:00:02 CEST 2012: 584 Tue Oct 23 06:05:03 CEST 2012: 584 Tue Oct 23 06:10:02 CEST 2012: 584 Tue Oct 23 06:15:01 CEST 2012: 585 Tue Oct 23 06:20:02 CEST 2012: 584 Tue Oct 23 06:25:02 CEST 2012: 584 Tue Oct 23 06:30:02 CEST 2012: 584 Tue Oct 23 06:35:02 CEST 2012: 584 Tue Oct 23 06:40:02 CEST 2012: 584 Tue Oct 23 06:45:01 CEST 2012: 585 Tue Oct 23 06:50:02 CEST 2012: 584 Tue Oct 23 06:55:01 CEST 2012: 585 Tue Oct 23 07:00:02 CEST 2012: 584 Tue Oct 23 07:05:02 CEST 2012: 584 Tue Oct 23 07:10:02 CEST 2012: 584 Tue Oct 23 07:15:02 CEST 2012: 584 Tue Oct 23 07:20:02 CEST 2012: 584 Tue Oct 23 07:25:02 CEST 2012: 584 Tue Oct 23 07:30:01 CEST 2012: 585 Tue Oct 23 07:35:02 CEST 2012: 584 Tue Oct 23 07:40:02 CEST 2012: 584 Tue Oct 23 07:45:02 CEST 2012: 584 Tue Oct 23 07:50:02 CEST 2012: 584 Tue Oct 23 07:55:02 CEST 2012: 584 Tue Oct 23 08:00:01 CEST 2012: 585 Tue Oct 23 08:05:02 CEST 2012: 584 Tue Oct 23 08:10:02 CEST 2012: 584 Tue Oct 23 08:15:02 CEST 2012: 584 Tue Oct 23 08:20:02 CEST 2012: 584 Tue Oct 23 08:25:02 CEST 2012: 584 Tue Oct 23 08:30:01 CEST 2012: 585 Tue Oct 23 08:35:02 CEST 2012: 584 Tue Oct 23 08:40:02 CEST 2012: 584 Tue Oct 23 08:45:02 CEST 2012: 584 Tue Oct 23 08:50:02 CEST 2012: 584 Tue Oct 23 08:55:02 CEST 2012: 584 Tue Oct 23 09:00:02 CEST 2012: 584 Tue Oct 23 09:05:03 CEST 2012: 584 Tue Oct 23 09:10:02 CEST 2012: 584 Tue Oct 23 09:15:02 CEST 2012: 584 Tue Oct 23 09:20:02 CEST 2012: 584 Tue Oct 23 09:25:02 CEST 2012: 584 Tue Oct 23 09:30:01 CEST 2012: 584 Tue Oct 23 09:35:02 CEST 2012: 584 Tue Oct 23 09:40:02 CEST 2012: 584 Tue Oct 23 09:45:02 CEST 2012: 584 Tue Oct 23 09:50:02 CEST 2012: 584 Tue Oct 23 09:55:02 CEST 2012: 584 Tue Oct 23 10:00:01 CEST 2012: 584 Tue Oct 23 10:05:02 CEST 2012: 584 Tue Oct 23 10:10:07 CEST 2012: 584 Tue Oct 23 10:15:02 CEST 2012: 584 Tue Oct 23 10:20:02 CEST 2012: 884 Tue Oct 23 10:25:02 CEST 2012: 884 Tue Oct 23 10:30:02 CEST 2012: 883 Tue Oct 23 10:35:01 CEST 2012: 884 Tue Oct 23 10:40:02 CEST 2012: 884 Tue Oct 23 10:45:02 CEST 2012: 884 Tue Oct 23 10:50:02 CEST 2012: 884 Tue Oct 23 10:55:02 CEST 2012: 1184 Tue Oct 23 11:00:02 CEST 2012: 1183 Tue Oct 23 11:05:01 CEST 2012: 1184 Tue Oct 23 11:10:02 CEST 2012: 1184 Tue Oct 23 11:15:02 CEST 2012: 1184 Tue Oct 23 11:20:02 CEST 2012: 1184 This does not seem to be faulty CMOS battery in my opinion. But what do you think?

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• Where's my memory?! Nginx + PHP-FPM front end webserver slows to a crawl...

  - by incredimike

  I'm not sure if I have a problem with a memory leak (as my hosting company suggests), or if we both need to read http://linuxatemyram.com. Maybe you clever people can help us out? This is a front-end webserver VM running essentially only nginx & php-fpm on RHEL 5.5. This server is powering Magento, a PHP eCommerce thinggy. The server is running in a shared environment, but we're changing that soon. Anyway.. after a reboot the server runs just fine, but within a day it will grind itself into nothingness. Pages will take literally 2 minutes to load, CPU spikes like crazy, etc.. The console is even sluggish when I SSH in. It's like my whole server is being brought to its knees. I've also been monitoring the DB server via top and tcpdumping incoming traffic. The DB stays idle for a good portion of that "slow" load time. When i start seeing queries coming from the front-end server, the page loads soon afterward. Here are some stats after me logging in during a slow-down, after restarting php-fpm: [mike@front01 ~]$ free -m total used free shared buffers cached Mem: 5963 5217 745 0 192 314 -/+ buffers/cache: 4711 1252 Swap: 4047 4 4042 [mike@front01 ~]$ top top - 11:38:55 up 2 days, 1:01, 3 users, load average: 0.06, 0.17, 0.21 Tasks: 131 total, 1 running, 130 sleeping, 0 stopped, 0 zombie Cpu0 : 0.0%us, 0.3%sy, 0.0%ni, 99.3%id, 0.3%wa, 0.0%hi, 0.0%si, 0.0%st Cpu1 : 0.3%us, 0.0%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 6106800k total, 5361288k used, 745512k free, 199960k buffers Swap: 4144728k total, 4976k used, 4139752k free, 328480k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 31806 apache 15 0 601m 120m 37m S 0.0 2.0 0:22.23 php-fpm 31805 apache 15 0 549m 66m 31m S 0.0 1.1 0:14.54 php-fpm 31809 apache 16 0 547m 65m 32m S 0.0 1.1 0:12.84 php-fpm 32285 apache 15 0 546m 63m 33m S 0.0 1.1 0:09.22 php-fpm 32373 apache 15 0 546m 62m 32m S 0.0 1.1 0:09.66 php-fpm 31808 apache 16 0 543m 60m 35m S 0.0 1.0 0:18.93 php-fpm 31807 apache 16 0 533m 49m 30m S 0.0 0.8 0:08.93 php-fpm 32092 apache 15 0 535m 48m 27m S 0.0 0.8 0:06.67 php-fpm 4392 root 18 0 194m 10m 7184 S 0.0 0.2 0:06.96 cvd 4064 root 15 0 154m 8304 4220 S 0.0 0.1 3:55.57 snmpd 4394 root 15 0 119m 5660 2944 S 0.0 0.1 0:02.84 EvMgrC 31804 root 15 0 519m 5180 932 S 0.0 0.1 0:00.46 php-fpm 4138 ntp 15 0 23396 5032 3904 S 0.0 0.1 0:02.38 ntpd 643 nginx 15 0 95276 4408 1524 S 0.0 0.1 0:01.15 nginx 5131 root 16 0 90128 3340 2600 S 0.0 0.1 0:01.41 sshd 28467 root 15 0 90128 3340 2600 S 0.0 0.1 0:00.35 sshd 32602 root 16 0 90128 3332 2600 S 0.0 0.1 0:00.36 sshd 1614 root 16 0 90128 3308 2588 S 0.0 0.1 0:00.02 sshd 2817 root 5 -10 7216 3140 1724 S 0.0 0.1 0:03.80 iscsid 4161 root 15 0 66948 2340 800 S 0.0 0.0 0:10.35 sendmail 1617 nicole 17 0 53876 2000 1516 S 0.0 0.0 0:00.02 sftp-server ... Is there anything else I should be looking at, or any more information that might be useful? I'm just a developer, but the slowdowns on this system worry me and make it hard to do my work.. Help me out, ServerFault!

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• VMware vSphere cluster design for site redundancy

  - by Stefan Radovanovici

  I have a question about the best design for site redudancy when using vSphere clusters. A bit of background info about our situation first though. We are a medium-sized company with two main offices, located in different countries. Our networks are linked by a Layer2 150Mbps leased line which is currently underused. We have a variety of services running for internal use within the company, some on physycal servers and some on existing vSphere clusters. In our department we also run several services (almost all running under various forms of Linux) like NTP, Syslog, jump servers, monitoring servers and so on. We have now the requirement that those servers need to be redundant within each location (which they are not at the moment) and also site redudant (which they are to some extent, the servers are duplicated in the 2nd location with configurations kept in sync via various methods at the application layer). There is no SAN available for us, at least not something that we can use at the moment. Cost is also an issue. While we do have some budget available for this, we can't afford to buy SANs for both locations for example. I looked at the VSA feature and it seems that this could be something for us but I am unsure how to solve the site-redudancy requirement. At the moment for testing purposes I am setting up in a lab a vSphere 5 with VSA on two ESXi hosts. I am currently using the Essentials Plus kit with VSA license, which allows me to build a VSA cluster on up to 3 hosts, together with a vCenter license to manage them. The hosts each have two dual-port network cards and two 600GB drives, running in Raid1. Hardware-wise this will be enough for us to run the all the services we need as VMs and will provide redundandcy within the site. At the moment I see only two option to have site redundancy: build an identical VSA cluter in the second location and keep the various services sync'ed at application layer (database sync, rsync and so on). simply move one of the hosts from the existing cluster to the second location, basically having the VSA cluster span the 150Mbps link between the sites. I would very much prefer the second option but I am unsure how well it'll work, if it can work at all. Technically it should, we can span the needed VLANs across the leased line and have them available in the second location. The advantage would be that we don't need to worry at all about sync'ing databases and the like. But I have the feeling that the bandwidth will not be enough, I have no way of knowing how much traffic will the VSA cluster generate between the hosts. I realize that this will most likely depend on the individual usage of the VMs but still, I have no idea how VSA replicates data between the ESXi hosts. Are these my only options or can my goals be achieved in some other way ? Is there perhaps a way to have some sort of "cold stand by" cluster in the second location where the VMs would be sync'ed once per night from the main location ? The idea is that in case the first site becomes unavailable, we would be able to bring all those VMs online there. We would be ok with the data being 1 day old. Any answers are appreciated. Best regards, Stefan

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• Configuring a PIX 506e for Asterisk

  - by orthogonal3

  Hi all! I'm having problems configuring a old Cisco PIX running 6.3 and wondered if anyone can lend a hand? Simply put I have a PIX 506e that I want to put in my VoIP data path. I can't update it and getting a compat version of Java for that version of PIX is tough so I can't log onto the web interface. The PIX straddles two networks..... 192.168.5.0 on the inside, ...50.0 on the outside both net masks are 255.255.255.0 I have a local Asterisk server cluster with a single service IP (<local asterisk>) SIP is on UDP 5060 and RTP (for the voip data) is on UDP 18000-18999 I know thats a big range but hey may as well. I need the 192.168.5.0 net to have web and ftp access for updates and the like. DHCP, DNS and NTP is already provided on that network so I don't need external DNS access. So I think I want the following rules: SIP or RTP from <my itsp> arriving at <outside voip ip> NATed to <local asterisk> SIP or RTP able to do the reverse route (should be covered by high sec - low sec??) HTTP and FTP access outbound for software update for the servers etc I have the following config at the minute - and I think I'm almost there (I hope)... interface ethernet0 auto interface ethernet1 auto nameif ethernet0 outside security0 nameif ethernet1 inside security100 enable password wouldyouliketobeapeppertoo encrypted passwd wouldyouliketobeapeppertoo encrypted hostname afirewall domain-name adomain fixup protocol dns maximum-length 512 fixup protocol ftp 21 fixup protocol h323 h225 1720 fixup protocol h323 ras 1718-1719 fixup protocol http 80 fixup protocol rsh 514 fixup protocol rtsp 554 fixup protocol sip 5060 fixup protocol sip udp 5060 fixup protocol skinny 2000 fixup protocol smtp 25 fixup protocol sqlnet 1521 fixup protocol tftp 69 access-list acl_ping permit icmp any any access-list voip permit ip host <my itsp> host <local asterisk> mtu outside 1500 mtu inside 1500 ip address outside <outside pix ip> 255.255.255.0 ip address inside <inside pix ip> 255.255.255.0 arp timeout 14400 global (outside) 1 <outside generic ip> nat (inside) 1 192.168.5.0 255.255.255.0 0 0 static (inside,outside) <outside voip ip> <local asterisk> netmask 255.255.255.255 0 0 static (outside,inside) <local asterisk> <outside voip ip> netmask 255.255.255.255 0 0 access-group acl_ping in interface outside access-group acl_ping in interface inside route outside 0.0.0.0 0.0.0.0 <my next hop router> 1 route outside <my itsp> 255.255.255.255 <my next hop router> 1 I think I just need a hand with the access-lists and NAT/static rules. Would anyone be able to help as I've RTFM'd the Cisco docs a few times and they're heavy. Wishing I'd completed my CCNA now! Thanks all for any help, Phil

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• Cisco PIX 8.0.4, static address mapping not working?

  - by Bill

  upgrading a working Pix running 5.3.1 to 8.0.4. The memory/IOS upgrade went fine, but the 8.0.4 configuration is not quite working 100%. The 5.3.1 config on which it was based is working fine. Basically, I have three networks (inside, outside, dmz) with some addresses on the dmz statically mapped to outside addresses. The problem seems to be that those addresses can't send or receive traffic from the outside (Internet.) Stuff on the DMZ that does not have a static mapping seems to work fine. So, basically: Inside - outside: works Inside - DMZ: works DMZ - inside: works, where the rules allow it DMZ (non-static) - outside: works But: DMZ (static) - outside: fails Outside - DMZ: fails (So, say, udp 1194 traffic to .102, http to .104) I suspect there's something I'm missing with the nat/global section of the config, but can't for the life of me figure out what. Help, anyone? The complete configuration is below. Thanks for any thoughts! ! PIX Version 8.0(4) ! hostname firewall domain-name asasdkpaskdspakdpoak.com enable password xxxxxxxx encrypted passwd xxxxxxxx encrypted names ! interface Ethernet0 nameif outside security-level 0 ip address XX.XX.XX.100 255.255.255.224 ! interface Ethernet1 nameif inside security-level 100 ip address 192.168.68.1 255.255.255.0 ! interface Ethernet2 nameif dmz security-level 10 ip address 192.168.69.1 255.255.255.0 ! boot system flash:/image.bin ftp mode passive dns server-group DefaultDNS domain-name asasdkpaskdspakdpoak.com access-list acl_out extended permit udp any host XX.XX.XX.102 eq 1194 access-list acl_out extended permit tcp any host XX.XX.XX.104 eq www access-list acl_dmz extended permit tcp host 192.168.69.10 host 192.168.68.17 eq ssh access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 192.168.68.0 255.255.255.0 eq ssh access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 192.168.68.0 255.255.255.0 eq 5901 access-list acl_dmz extended permit udp host 192.168.69.103 any eq ntp access-list acl_dmz extended permit udp host 192.168.69.103 any eq domain access-list acl_dmz extended permit tcp host 192.168.69.103 any eq www access-list acl_dmz extended permit tcp host 192.168.69.100 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.100 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.101 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.101 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.104 host 192.168.68.101 eq 3306 access-list acl_dmz extended permit tcp host 192.168.69.104 host 192.168.68.102 eq 3306 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.69.104 eq 8080 access-list acl_dmz extended permit tcp 10.71.83.0 255.255.255.0 host 192.168.69.104 eq 8099 access-list acl_dmz extended permit tcp host 192.168.69.105 any eq www access-list acl_dmz extended permit tcp host 192.168.69.103 any eq smtp access-list acl_dmz extended permit tcp host 192.168.69.105 host 192.168.68.103 eq ssh access-list acl_dmz extended permit tcp host 192.168.69.104 any eq www access-list acl_dmz extended permit tcp host 192.168.69.100 any eq www access-list acl_dmz extended permit tcp host 192.168.69.100 any eq https pager lines 24 mtu outside 1500 mtu inside 1500 mtu dmz 1500 icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 14400 global (outside) 1 interface nat (inside) 1 0.0.0.0 0.0.0.0 nat (dmz) 1 0.0.0.0 0.0.0.0 static (dmz,outside) XX.XX.XX.103 192.168.69.11 netmask 255.255.255.255 static (inside,dmz) 192.168.68.17 192.168.68.17 netmask 255.255.255.255 static (inside,dmz) 192.168.68.100 192.168.68.100 netmask 255.255.255.255 static (inside,dmz) 192.168.68.101 192.168.68.101 netmask 255.255.255.255 static (inside,dmz) 192.168.68.102 192.168.68.102 netmask 255.255.255.255 static (inside,dmz) 192.168.68.103 192.168.68.103 netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.104 192.168.69.100 netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.105 192.168.69.105 netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.102 192.168.69.10 netmask 255.255.255.255 access-group acl_out in interface outside access-group acl_dmz in interface dmz route outside 0.0.0.0 0.0.0.0 XX.XX.XX.97 1 route dmz 10.71.83.0 255.255.255.0 192.168.69.10 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute dynamic-access-policy-record DfltAccessPolicy no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet 192.168.68.17 255.255.255.255 inside telnet timeout 5 ssh timeout 5 console timeout 0 threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept ! class-map inspection_default match default-inspection-traffic ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect netbios inspect rsh inspect rtsp inspect skinny inspect esmtp inspect sqlnet inspect sunrpc inspect tftp inspect sip inspect xdmcp ! service-policy global_policy global prompt hostname context Cryptochecksum:2d1bb2dee2d7a3e45db63a489102d7de

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• What is causing the unusual high load average and IOwait?

  - by James

  I noticed on Tuesday night of last week, the load average went up sharply and it seemed abnormal since the traffic is small. Usually, the numbers usually average around .40 or lower and my server stuff (mysql, php and apache) are optimized. I noticed that the IOWait is unusually high even though the processes is barely using any CPU. top - 01:44:39 up 1 day, 21:13, 1 user, load average: 1.41, 1.09, 0.86 Tasks: 60 total, 1 running, 59 sleeping, 0 stopped, 0 zombie Cpu0 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu1 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu2 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu5 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu6 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu7 : 0.0%us, 0.0%sy, 0.0%ni, 91.5%id, 8.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1048576k total, 331944k used, 716632k free, 0k buffers Swap: 0k total, 0k used, 0k free, 0k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 15 0 2468 1376 1140 S 0 0.1 0:00.92 init 1656 root 15 0 13652 5212 664 S 0 0.5 0:00.00 apache2 9323 root 18 0 13652 5212 664 S 0 0.5 0:00.00 apache2 10079 root 18 0 3972 1248 972 S 0 0.1 0:00.00 su 10080 root 15 0 4612 1956 1448 S 0 0.2 0:00.01 bash 11298 root 15 0 13652 5212 664 S 0 0.5 0:00.00 apache2 11778 chikorit 15 0 2344 1092 884 S 0 0.1 0:00.05 top 15384 root 18 0 17544 13m 1568 S 0 1.3 0:02.28 miniserv.pl 15585 root 15 0 8280 2736 2168 S 0 0.3 0:00.02 sshd 15608 chikorit 15 0 8280 1436 860 S 0 0.1 0:00.02 sshd Here is the VMStat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 1 0 0 768644 0 0 0 0 14 23 0 10 1 0 99 0 IOStat - Nothing unusal Total DISK READ: 67.13 K/s | Total DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND 19496 be/4 chikorit 11.85 K/s 0.00 B/s 0.00 % 0.00 % apache2 -k start 19501 be/4 mysql 3.95 K/s 0.00 B/s 0.00 % 0.00 % mysqld 19568 be/4 chikorit 11.85 K/s 0.00 B/s 0.00 % 0.00 % apache2 -k start 19569 be/4 chikorit 11.85 K/s 0.00 B/s 0.00 % 0.00 % apache2 -k start 19570 be/4 chikorit 11.85 K/s 0.00 B/s 0.00 % 0.00 % apache2 -k start 19571 be/4 chikorit 7.90 K/s 0.00 B/s 0.00 % 0.00 % apache2 -k start 19573 be/4 chikorit 7.90 K/s 0.00 B/s 0.00 % 0.00 % apache2 -k start 1 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.00 % init 11778 be/4 chikorit 0.00 B/s 0.00 B/s 0.00 % 0.00 % top 19470 be/4 mysql 0.00 B/s 0.00 B/s 0.00 % 0.00 % mysqld Load Average Chart - http://i.stack.imgur.com/kYsD0.png I want to be sure if this is not a MySQL problem before making sure. Also, this is a Ubuntu 10.04 LTS Server on OpenVZ. Edit: This will probably give a good picture on the IO Wait top - 22:12:22 up 17:41, 1 user, load average: 1.10, 1.09, 0.93 Tasks: 33 total, 1 running, 32 sleeping, 0 stopped, 0 zombie Cpu(s): 0.6%us, 0.2%sy, 0.0%ni, 89.0%id, 10.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1048576k total, 260708k used, 787868k free, 0k buffers Swap: 0k total, 0k used, 0k free, 0k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 15 0 2468 1376 1140 S 0 0.1 0:00.88 init 5849 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2 8063 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2 9732 root 16 0 8280 2728 2168 S 0 0.3 0:00.02 sshd 9746 chikorit 18 0 8412 1444 864 S 0 0.1 0:01.10 sshd 9747 chikorit 18 0 4576 1960 1488 S 0 0.2 0:00.24 bash 13706 chikorit 15 0 2344 1088 884 R 0 0.1 0:00.03 top 15745 chikorit 15 0 12968 5108 1280 S 0 0.5 0:00.00 apache2 15751 chikorit 15 0 72184 25m 18m S 0 2.5 0:00.37 php5-fpm 15790 chikorit 18 0 12472 4640 1192 S 0 0.4 0:00.00 apache2 15797 chikorit 15 0 72888 23m 16m S 0 2.3 0:00.06 php5-fpm 16038 root 15 0 67772 2848 592 D 0 0.3 0:00.00 php5-fpm 16309 syslog 18 0 24084 1316 992 S 0 0.1 0:00.07 rsyslogd 16316 root 15 0 5472 908 500 S 0 0.1 0:00.00 sshd 16326 root 15 0 2304 908 712 S 0 0.1 0:00.02 cron 17464 root 15 0 10252 7560 856 D 0 0.7 0:01.88 psad 17466 root 18 0 1684 276 208 S 0 0.0 0:00.31 psadwatchd 17559 root 18 0 11444 2020 732 S 0 0.2 0:00.47 sendmail-mta 17688 root 15 0 10252 5388 1136 S 0 0.5 0:03.81 python 17752 teamspea 19 0 44648 7308 4676 S 0 0.7 1:09.70 ts3server_linux 18098 root 15 0 12336 6380 3032 S 0 0.6 0:00.47 apache2 18099 chikorit 18 0 10368 2536 464 S 0 0.2 0:00.00 apache2 18120 ntp 15 0 4336 1316 984 S 0 0.1 0:00.87 ntpd 18379 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2 18387 mysql 15 0 62796 36m 5864 S 0 3.6 1:43.26 mysqld 19584 root 15 0 12336 4028 668 S 0 0.4 0:00.02 apache2 22498 root 16 0 12336 4028 668 S 0 0.4 0:00.00 apache2 24260 root 15 0 67772 3612 1356 S 0 0.3 0:00.22 php5-fpm 27712 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2 27730 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2 30343 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2 30366 root 15 0 12336 4028 668 S 0 0.4 0:00.00 apache2

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• What steps can you take to ensure sane build environments when compiling software?

  - by Chris Adams

  Hi guys, I've been stuck with a compilation problem when building a standardised virtual machine on CentOS 5.4, and I'm in the dark here as to a) why this error is occurring, and b) how to fix it, and in the hope that someone else stumbles across this problem too, I'm hoping someone can help me find the solution here. I'm getting a configure: error: newly created file is older than distributed files! error when trying to compile Ruby Enterprise like below when I try to run the installer, and the solutions offered to on the forums (of checking the tine, and touching the files to update the time associated with them) don't seem to be helping here. What steps can I take to work out what the cause of this problem? [vagrant@vagrant-centos-5 ruby-enterprise-1.8.7-2009.10]$ sudo ./installer Welcome to the Ruby Enterprise Edition installer This installer will help you install Ruby Enterprise Edition 1.8.7-2009.10. Don't worry, none of your system files will be touched if you don't want them to, so there is no risk that things will screw up. You can expect this from the installation process: 1. Ruby Enterprise Edition will be compiled and optimized for speed for this system. 2. Ruby on Rails will be installed for Ruby Enterprise Edition. 3. You will learn how to tell Phusion Passenger to use Ruby Enterprise Edition instead of regular Ruby. Press Enter to continue, or Ctrl-C to abort. Checking for required software... * C compiler... found at /usr/bin/gcc * C++ compiler... found at /usr/bin/g++ * The 'make' tool... found at /usr/bin/make * Zlib development headers... found * OpenSSL development headers... found * GNU Readline development headers... found -------------------------------------------- Target directory Where would you like to install Ruby Enterprise Edition to? (All Ruby Enterprise Edition files will be put inside that directory.) [/opt/ruby-enterprise] : -------------------------------------------- Compiling and optimizing the memory allocator for Ruby Enterprise Edition In the mean time, feel free to grab a cup of coffee. ./configure --prefix=/opt/ruby-enterprise --disable-dependency-tracking checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... configure: error: newly created file is older than distributed files! Check your system clock This is a virtual machine running on virtualbox, and the time of the host and the virtual machine are identical, and up to date. I've also tried running this after updating time with an ntp-client, so no avail. I tried this after reading this post here of someone having a similar problem [vagrant@vagrant-centos-5 ruby-enterprise-1.8.7-2009.10]$ date Tue Apr 27 08:09:05 BST 2010 The other approach I've tried is to touch the top level the files in the build folder like suggested here, but this hasn't worked either (an to be honest, I'm not sure why it would have worked either) [vagrant@vagrant-centos-5 ruby-enterprise-1.8.7-2009.10]$ sudo touch ruby-enterprise-1.8.7-2009.10/* I'm not sure what I can do next here - the problem seems to be the bash configure script that returns this error error: newly created file is older than distributed files!, at line :2214 { echo "$as_me:$LINENO: checking whether build environment is sane" >&5 echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6; } # Just in case sleep 1 echo timestamp > conftest.file # Do `set' in a subshell so we don't clobber the current shell's # arguments. Must try -L first in case configure is actually a # symlink; some systems play weird games with the mod time of symlinks # (eg FreeBSD returns the mod time of the symlink's containing # directory). if ( set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` if test "$*" = "X"; then # -L didn't work. set X `ls -t $srcdir/configure conftest.file` fi rm -f conftest.file if test "$*" != "X $srcdir/configure conftest.file" \ && test "$*" != "X conftest.file $srcdir/configure"; then # If neither matched, then we have a broken ls. This can happen # if, for instance, CONFIG_SHELL is bash and it inherits a # broken ls alias from the environment. This has actually # happened. Such a system could not be considered "sane". { { echo "$as_me:$LINENO: error: ls -t appears to fail. Make sure there is not a broken alias in your environment" >&5 echo "$as_me: error: ls -t appears to fail. Make sure there is not a broken alias in your environment" >&2;} { (exit 1); exit 1; }; } fi ### PROBLEM LINE #### # this line is the problem line - this is returned true, sometimes it isn't and I can't # see a pattern that that determines when this will test will pass or not. test "$2" = conftest.file ) then # Ok. : else { { echo "$as_me:$LINENO: error: newly created file is older than distributed files! Check your system clock" >&5 echo "$as_me: error: newly created file is older than distributed files! Check your system clock" >&2;} { (exit 1); exit 1; }; } fi the thing that makes this really frustrating is that this script works sometimes, when the VM has been running for an hour or so it works, but not at boot. There's nothing I see in the crontab that suggests any hourly tasks are run that might change the state of the system enough make a difference to this script working. I'm totally at a loss when it comes to debugging beyond here. What's the best approach to take here? Thanks

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• Postfix configuration - Uing virtual min but server is bouncing back my mail.

  - by brodiebrodie

  I have no experience in setting up postfix, and thought virtualmin minght do the legwork for me. Appears not. When I try to send mail to the domain (either [email protected] [email protected] or [email protected]) I get the following message returned This is the mail system at host dedq239.localdomain. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to <postmaster> If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <[email protected]> (expanded from <[email protected]>): User unknown in virtual alias table Final-Recipient: rfc822; [email protected] Original-Recipient: rfc822;[email protected] Action: failed Status: 5.0.0 Diagnostic-Code: X-Postfix; User unknown in virtual alias table How can I diagnose the problem here? It seems that the mail gets to my server but the server fails to locally deliver the message to the correct user. (This is a guess, truthfully I have no idea what is happening). I have checked my virtual alias table and it seems to be set up correctly (I can post if this would be helpful). Can anyone give me a clue as to the next step? Thanks alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 html_directory = no local_recipient_maps = $virtual_mailbox_maps mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination smtpd_sasl_auth_enable = yes soft_bounce = no unknown_local_recipient_reject_code = 550 virtual_alias_maps = hash:/etc/postfix/virtual My mail log file (the last entry) Sep 30 15:13:47 dedq239 postfix/cleanup[7237]: 207C6B18158: message-id=<[email protected]> Sep 30 15:13:47 dedq239 postfix/qmgr[7177]: 207C6B18158: from=<[email protected]>, size=1805, nrcpt=1 (queue active) Sep 30 15:13:47 dedq239 postfix/error[7238]: 207C6B18158: to=<[email protected]>, orig_to=<[email protected]>, relay=none, delay=0.64, delays=0.61/0.01/0/0.02, dsn=5.0.0, status=bounced (User unknown in virtual alias table) Sep 30 15:13:47 dedq239 postfix/cleanup[7237]: 8DC13B18169: message-id=<[email protected]> Sep 30 15:13:47 dedq239 postfix/qmgr[7177]: 8DC13B18169: from=<>, size=3691, nrcpt=1 (queue active) Sep 30 15:13:47 dedq239 postfix/bounce[7239]: 207C6B18158: sender non-delivery notification: 8DC13B18169 Sep 30 15:13:47 dedq239 postfix/qmgr[7177]: 207C6B18158: removed Sep 30 15:13:48 dedq239 postfix/smtp[7240]: 8DC13B18169: to=<[email protected]>, relay=gmail-smtp-in.l.google.com[209.85.216.55]:25, delay=1.3, delays=0.02/0.01/0.58/0.75, dsn=2.0.0, status=sent (250 2.0.0 OK 1254348828 36si15082901pxi.91) Sep 30 15:13:48 dedq239 postfix/qmgr[7177]: 8DC13B18169: removed Sep 30 15:14:17 dedq239 postfix/smtpd[7233]: disconnect from mail-bw0-f228.google.com[209.85.218.228] etc.aliases file below I have not touched this file - myvirtualdomain is a replacement for my real domain name # Aliases in this file will NOT be expanded in the header from # Mail, but WILL be visible over networks or from /bin/mail. # # >>>>>>>>>> The program "newaliases" must be run after # >> NOTE >> this file is updated for any changes to # >>>>>>>>>> show through to sendmail. # # Basic system aliases -- these MUST be present. mailer-daemon: postmaster postmaster: root # General redirections for pseudo accounts. bin: root daemon: root adm: root lp: root sync: root shutdown: root halt: root mail: root news: root uucp: root operator: root games: root gopher: root ftp: root nobody: root radiusd: root nut: root dbus: root vcsa: root canna: root wnn: root rpm: root nscd: root pcap: root apache: root webalizer: root dovecot: root fax: root quagga: root radvd: root pvm: root amanda: root privoxy: root ident: root named: root xfs: root gdm: root mailnull: root postgres: root sshd: root smmsp: root postfix: root netdump: root ldap: root squid: root ntp: root mysql: root desktop: root rpcuser: root rpc: root nfsnobody: root ingres: root system: root toor: root manager: root dumper: root abuse: root newsadm: news newsadmin: news usenet: news ftpadm: ftp ftpadmin: ftp ftp-adm: ftp ftp-admin: ftp www: webmaster webmaster: root noc: root security: root hostmaster: root info: postmaster marketing: postmaster sales: postmaster support: postmaster # trap decode to catch security attacks decode: root # Person who should get root's mail #root: marc abuse-myvirtualdomain.com: [email protected] My etc/postfix/virtual file is below - again myvirtualdomain is a replacement. I think this file was generated by Virtualmin and I have tried messing around with is with no success... This is the version without my changes. myunixusername@myvirtualdomain .com myunixusername myvirtualdomain .com myvirtualdomain.com [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]

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• Cisco ASA - Enable communication between same security level

  - by Conor

  I have recently inherited a network with a Cisco ASA (running version 8.2). I am trying to configure it to allow communication between two interfaces configured with the same security level (DMZ-DMZ) "same-security-traffic permit inter-interface" has been set, but hosts are unable to communicate between the interfaces. I am assuming that some NAT settings are causing my issue. Below is my running config: ASA Version 8.2(3) ! hostname asa enable password XXXXXXXX encrypted passwd XXXXXXXX encrypted names ! interface Ethernet0/0 switchport access vlan 400 ! interface Ethernet0/1 switchport access vlan 400 ! interface Ethernet0/2 switchport access vlan 420 ! interface Ethernet0/3 switchport access vlan 420 ! interface Ethernet0/4 switchport access vlan 450 ! interface Ethernet0/5 switchport access vlan 450 ! interface Ethernet0/6 switchport access vlan 500 ! interface Ethernet0/7 switchport access vlan 500 ! interface Vlan400 nameif outside security-level 0 ip address XX.XX.XX.10 255.255.255.248 ! interface Vlan420 nameif public security-level 20 ip address 192.168.20.1 255.255.255.0 ! interface Vlan450 nameif dmz security-level 50 ip address 192.168.10.1 255.255.255.0 ! interface Vlan500 nameif inside security-level 100 ip address 192.168.0.1 255.255.255.0 ! ftp mode passive clock timezone JST 9 same-security-traffic permit inter-interface same-security-traffic permit intra-interface object-group network DM_INLINE_NETWORK_1 network-object host XX.XX.XX.11 network-object host XX.XX.XX.13 object-group service ssh_2220 tcp port-object eq 2220 object-group service ssh_2251 tcp port-object eq 2251 object-group service ssh_2229 tcp port-object eq 2229 object-group service ssh_2210 tcp port-object eq 2210 object-group service DM_INLINE_TCP_1 tcp group-object ssh_2210 group-object ssh_2220 object-group service zabbix tcp port-object range 10050 10051 object-group service DM_INLINE_TCP_2 tcp port-object eq www group-object zabbix object-group protocol TCPUDP protocol-object udp protocol-object tcp object-group service http_8029 tcp port-object eq 8029 object-group network DM_INLINE_NETWORK_2 network-object host 192.168.20.10 network-object host 192.168.20.30 network-object host 192.168.20.60 object-group service imaps_993 tcp description Secure IMAP port-object eq 993 object-group service public_wifi_group description Service allowed on the Public Wifi Group. Allows Web and Email. service-object tcp-udp eq domain service-object tcp-udp eq www service-object tcp eq https service-object tcp-udp eq 993 service-object tcp eq imap4 service-object tcp eq 587 service-object tcp eq pop3 service-object tcp eq smtp access-list outside_access_in remark http traffic from outside access-list outside_access_in extended permit tcp any object-group DM_INLINE_NETWORK_1 eq www access-list outside_access_in remark ssh from outside to web1 access-list outside_access_in extended permit tcp any host XX.XX.XX.11 object-group ssh_2251 access-list outside_access_in remark ssh from outside to penguin access-list outside_access_in extended permit tcp any host XX.XX.XX.10 object-group ssh_2229 access-list outside_access_in remark http from outside to penguin access-list outside_access_in extended permit tcp any host XX.XX.XX.10 object-group http_8029 access-list outside_access_in remark ssh from outside to internal hosts access-list outside_access_in extended permit tcp any host XX.XX.XX.13 object-group DM_INLINE_TCP_1 access-list outside_access_in remark dns service to internal host access-list outside_access_in extended permit object-group TCPUDP any host XX.XX.XX.13 eq domain access-list dmz_access_in extended permit ip 192.168.10.0 255.255.255.0 any access-list dmz_access_in extended permit tcp any host 192.168.10.29 object-group DM_INLINE_TCP_2 access-list public_access_in remark Web access to DMZ websites access-list public_access_in extended permit object-group TCPUDP any object-group DM_INLINE_NETWORK_2 eq www access-list public_access_in remark General web access. (HTTP, DNS & ICMP and Email) access-list public_access_in extended permit object-group public_wifi_group any any pager lines 24 logging enable logging asdm informational mtu outside 1500 mtu public 1500 mtu dmz 1500 mtu inside 1500 no failover icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 60 global (outside) 1 interface global (dmz) 2 interface nat (public) 1 0.0.0.0 0.0.0.0 nat (dmz) 1 0.0.0.0 0.0.0.0 nat (inside) 1 0.0.0.0 0.0.0.0 static (inside,outside) tcp interface 2229 192.168.0.29 2229 netmask 255.255.255.255 static (inside,outside) tcp interface 8029 192.168.0.29 www netmask 255.255.255.255 static (dmz,outside) XX.XX.XX.13 192.168.10.10 netmask 255.255.255.255 dns static (dmz,outside) XX.XX.XX.11 192.168.10.30 netmask 255.255.255.255 dns static (dmz,inside) 192.168.0.29 192.168.10.29 netmask 255.255.255.255 static (dmz,public) 192.168.20.30 192.168.10.30 netmask 255.255.255.255 dns static (dmz,public) 192.168.20.10 192.168.10.10 netmask 255.255.255.255 dns static (inside,dmz) 192.168.10.0 192.168.0.0 netmask 255.255.255.0 dns access-group outside_access_in in interface outside access-group public_access_in in interface public access-group dmz_access_in in interface dmz route outside 0.0.0.0 0.0.0.0 XX.XX.XX.9 1 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 dynamic-access-policy-record DfltAccessPolicy http server enable http 192.168.0.0 255.255.255.0 inside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 telnet timeout 5 ssh 192.168.0.0 255.255.255.0 inside ssh timeout 20 console timeout 0 dhcpd dns 61.122.112.97 61.122.112.1 dhcpd auto_config outside ! dhcpd address 192.168.20.200-192.168.20.254 public dhcpd enable public ! dhcpd address 192.168.0.200-192.168.0.254 inside dhcpd enable inside ! threat-detection basic-threat threat-detection statistics host threat-detection statistics access-list no threat-detection statistics tcp-intercept ntp server 130.54.208.201 source public webvpn ! class-map inspection_default match default-inspection-traffic ! ! policy-map type inspect dns preset_dns_map parameters message-length maximum client auto message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect ip-options inspect netbios inspect rsh inspect rtsp inspect skinny inspect esmtp inspect sqlnet inspect sunrpc inspect tftp inspect sip inspect xdmcp !

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• Ports do not open after rules appended in iptables

  - by user2699451

  I have a server that I am trying to setup for OpenVPN. I have followed all the steps, but I see that when I try to connect to it in Windows, it doesn't allow me, it just hangs on connecting, so I did a nmap scan and I see that port 1194 is not open so naturally I append the rule to open 1194 with: iptables -A INPUT -i eth0 -p tcp --dport 1194 -j ACCEPT followed by service iptables save and service iptables restart which all executed successfully. Then I try again, but it doesn't work and another nmap scan says that port 1194 is closed. Here is the iptables configuration: # Generated by iptables-save v1.4.7 on Thu Oct 31 09:47:38 2013 *nat :PREROUTING ACCEPT [27410:3091993] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [5042:376160] -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -j SNAT --to-source 41.185.26.238 -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE COMMIT # Completed on Thu Oct 31 09:47:38 2013 # Generated by iptables-save v1.4.7 on Thu Oct 31 09:47:38 2013 *filter :INPUT ACCEPT [23571:2869068] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [27558:3656524] :vl - [0:0] -A INPUT -p tcp -m tcp --dport 5252 -m comment --comment "SSH Secure" -j ACCEPT -A INPUT -p icmp -m icmp --icmp-type 8 -m state --state NEW,RELATED,ESTABLISHED -$ -A INPUT -i lo -j ACCEPT -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -m comment --comment "SSH" -j ACCEPT -A INPUT -p tcp -m tcp --dport 80 -m comment --comment "HTTP" -j ACCEPT -A INPUT -p tcp -m tcp --dport 8080 -m comment --comment "HTTPS" -j ACCEPT -A INPUT -p tcp -m tcp --dport 443 -m comment --comment "HTTP Encrypted" -j ACCEP$ -A INPUT -i eth0 -p tcp -m tcp --dport 1723 -j ACCEPT -A INPUT -i eth0 -p gre -j ACCEPT -A INPUT -p udp -m udp --dport 1194 -j ACCEPT -A FORWARD -i ppp+ -o eth0 -j ACCEPT -A FORWARD -i eth0 -o ppp+ -j ACCEPT -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT -A FORWARD -s 10.8.0.0/24 -j ACCEPT -A FORWARD -j REJECT --reject-with icmp-port-unreachable -A OUTPUT -p icmp -m icmp --icmp-type 0 -m state --state RELATED,ESTABLISHED -j A$ COMMIT # Completed on Thu Oct 31 09:47:38 2013 and my nmap scan from: localhost: nmap localhost Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-31 09:53 SAST Nmap scan report for localhost (127.0.0.1) Host is up (0.000011s latency). Other addresses for localhost (not scanned): 127.0.0.1 Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 443/tcp open https 1723/tcp open pptp Nmap done: 1 IP address (1 host up) scanned in 0.06 seconds remote pc: nmap [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-31 09:53 SAST Nmap scan report for rla04-nix1.wadns.net (41.185.26.238) Host is up (0.025s latency). Not shown: 858 filtered ports, 139 closed ports PORT STATE SERVICE 22/tcp open ssh 443/tcp open https 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 15.70 seconds So, I do not know what is causing this, any assistance will be appreciated! UPDATE AFTER FIRST ANSWER::: [root@RLA04-NIX1 ~]# iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT [root@RLA04-NIX1 ~]# iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT [root@RLA04-NIX1 ~]# iptables -A FORWARD -j REJECT [root@RLA04-NIX1 ~]# iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE [root@RLA04-NIX1 ~]# service iptables save iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ] [root@RLA04-NIX1 ~]# service iptables restart iptables: Flushing firewall rules: [ OK ] iptables: Setting chains to policy ACCEPT: filter nat [ OK ] iptables: Unloading modules: [ OK ] iptables: Applying firewall rules: [ OK ] [root@RLA04-NIX1 ~]# lsof -i :1194 -bash: lsof: command not found iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:5252 /* SSH Secure */ ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 state NEW,RELATED,ESTABLISHED ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 /* SSH */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 /* HTTP */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:8080 /* HTTPS */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 /* HTTP Encrypted */ ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:1723 ACCEPT 47 -- 0.0.0.0/0 0.0.0.0/0 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:1194 Chain FORWARD (policy ACCEPT) target prot opt source destination ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT all -- 10.8.0.0/24 0.0.0.0/0 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT all -- 10.8.0.0/24 0.0.0.0/0 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable Chain OUTPUT (policy ACCEPT) target prot opt source destination ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 0 state RELATED,ESTABLISHED Chain vl (0 references) target prot opt source destination [root@RLA04-NIX1 ~]# nmap localhostt Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-31 11:13 SAST remote pc nmap [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-31 11:11 SAST Nmap scan report for rla04-nix1.wadns.net (41.185.26.238) Host is up (0.020s latency). Not shown: 858 filtered ports, 139 closed ports PORT STATE SERVICE 22/tcp open ssh 443/tcp open https 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 4.18 seconds localhost nmap localhost Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-31 11:13 SAST Nmap scan report for localhost (127.0.0.1) Host is up (0.000011s latency). Other addresses for localhost (not scanned): 127.0.0.1 Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 443/tcp open https 1723/tcp open pptp Nmap done: 1 IP address (1 host up) scanned in 0.06 seconds UPDATE AFTER SCANNING UDP PORTS Sorry, I am noob, I am still learning, but here is the output for: nmap -sU [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-10-31 11:33 SAST Nmap scan report for [server address] ([server ip]) Host is up (0.021s latency). Not shown: 997 open|filtered ports PORT STATE SERVICE 53/udp closed domain 123/udp closed ntp 33459/udp closed unknown Nmap done: 1 IP address (1 host up) scanned in 8.57 seconds btw, no changes have been made since post started (except for iptables changes)

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• Can't access shared drive when connecting over VPN

  - by evolvd

  I can ping all network devices but it doesn't seem that DNS is resolving their hostnames. ipconfig/ all is showing that I am pointing to the correct dns server. I can "ping "dnsname"" and it will resolve but it wont resolve any other names. Split tunnel is set up so outside DNS is resolving fine So one issue might be DNS but I have the IP address of the server share so I figure I could just get to it that way. example: \10.0.0.1\ well I can't get to it that way either and I get "the specified network name is no longer available" I can ping it but I can't open the share. Below is the ASA config : ASA Version 8.2(1) ! hostname KG-ASA domain-name example.com names ! interface Vlan1 nameif inside security-level 100 ip address 10.0.0.253 255.255.255.0 ! interface Vlan2 nameif outside security-level 0 ip address dhcp setroute ! interface Ethernet0/0 switchport access vlan 2 ! interface Ethernet0/1 ! interface Ethernet0/2 ! interface Ethernet0/3 ! interface Ethernet0/4 ! interface Ethernet0/5 ! interface Ethernet0/6 ! interface Ethernet0/7 ! ftp mode passive clock timezone EST -5 clock summer-time EDT recurring dns domain-lookup outside dns server-group DefaultDNS name-server 10.0.0.101 domain-name blah.com access-list OUTSIDE_IN extended permit tcp any host 10.0.0.253 eq 10000 access-list OUTSIDE_IN extended permit tcp any host 10.0.0.253 eq 8333 access-list OUTSIDE_IN extended permit tcp any host 10.0.0.253 eq 902 access-list SPLIT-TUNNEL-VPN standard permit 10.0.0.0 255.0.0.0 access-list NONAT extended permit ip 10.0.0.0 255.255.255.0 10.0.1.0 255.255.255.0 pager lines 24 logging asdm informational mtu inside 1500 mtu outside 1500 ip local pool IPSECVPN-POOL 10.0.1.2-10.0.1.50 mask 255.255.255.0 icmp unreachable rate-limit 1 burst-size 1 asdm image disk0:/asdm-621.bin no asdm history enable arp timeout 14400 global (outside) 1 interface nat (inside) 0 access-list NONAT nat (inside) 1 0.0.0.0 0.0.0.0 static (inside,outside) tcp interface 10000 10.0.0.101 10000 netmask 255.255.255.255 static (inside,outside) tcp interface 8333 10.0.0.101 8333 netmask 255.255.255.255 static (inside,outside) tcp interface 902 10.0.0.101 902 netmask 255.255.255.255 timeout xlate 3:00:00 timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute timeout tcp-proxy-reassembly 0:01:00 dynamic-access-policy-record DfltAccessPolicy aaa authentication enable console LOCAL aaa authentication http console LOCAL aaa authentication serial console LOCAL aaa authentication ssh console LOCAL aaa authentication telnet console LOCAL http server enable http 10.0.0.0 255.255.0.0 inside http 0.0.0.0 0.0.0.0 outside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec transform-set myset esp-aes esp-sha-hmac crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 crypto dynamic-map dynmap 1 set transform-set myset crypto dynamic-map dynmap 1 set reverse-route crypto map IPSEC-MAP 65535 ipsec-isakmp dynamic dynmap crypto map IPSEC-MAP interface outside crypto isakmp enable outside crypto isakmp policy 10 authentication pre-share encryption 3des hash sha group 2 lifetime 86400 crypto isakmp policy 65535 authentication pre-share encryption aes hash sha group 2 lifetime 86400 telnet 0.0.0.0 0.0.0.0 inside telnet timeout 5 ssh 0.0.0.0 0.0.0.0 inside ssh 70.60.228.0 255.255.255.0 outside ssh 74.102.150.0 255.255.254.0 outside ssh 74.122.164.0 255.255.252.0 outside ssh timeout 5 console timeout 0 dhcpd dns 10.0.0.101 dhcpd lease 7200 dhcpd domain blah.com ! dhcpd address 10.0.0.110-10.0.0.170 inside dhcpd enable inside ! threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept ntp server 63.111.165.21 webvpn enable outside svc image disk0:/anyconnect-win-2.4.1012-k9.pkg 1 svc enable group-policy EASYVPN internal group-policy EASYVPN attributes dns-server value 10.0.0.101 vpn-tunnel-protocol IPSec l2tp-ipsec svc webvpn split-tunnel-policy tunnelspecified split-tunnel-network-list value SPLIT-TUNNEL-VPN ! tunnel-group client type remote-access tunnel-group client general-attributes address-pool (inside) IPSECVPN-POOL address-pool IPSECVPN-POOL default-group-policy EASYVPN dhcp-server 10.0.0.253 tunnel-group client ipsec-attributes pre-shared-key * tunnel-group CLIENTVPN type ipsec-l2l tunnel-group CLIENTVPN ipsec-attributes pre-shared-key * ! class-map inspection_default match default-inspection-traffic ! ! policy-map global_policy class inspection_default inspect icmp ! service-policy global_policy global prompt hostname context I'm not sure where I should go next with troubleshooting nslookup result: Default Server: blahname.blah.lan Address: 10.0.0.101

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• How to Reuse Your Old Wi-Fi Router as a Network Switch

  - by Jason Fitzpatrick

  Just because your old Wi-Fi router has been replaced by a newer model doesn’t mean it needs to gather dust in the closet. Read on as we show you how to take an old and underpowered Wi-Fi router and turn it into a respectable network switch (saving your $20 in the process). Image by mmgallan. Why Do I Want To Do This? Wi-Fi technology has changed significantly in the last ten years but Ethernet-based networking has changed very little. As such, a Wi-Fi router with 2006-era guts is lagging significantly behind current Wi-Fi router technology, but the Ethernet networking component of the device is just as useful as ever; aside from potentially being only 100Mbs instead of 1000Mbs capable (which for 99% of home applications is irrelevant) Ethernet is Ethernet. What does this matter to you, the consumer? It means that even though your old router doesn’t hack it for your Wi-Fi needs any longer the device is still a perfectly serviceable (and high quality) network switch. When do you need a network switch? Any time you want to share an Ethernet cable among multiple devices, you need a switch. For example, let’s say you have a single Ethernet wall jack behind your entertainment center. Unfortunately you have four devices that you want to link to your local network via hardline including your smart HDTV, DVR, Xbox, and a little Raspberry Pi running XBMC. Instead of spending $20-30 to purchase a brand new switch of comparable build quality to your old Wi-Fi router it makes financial sense (and is environmentally friendly) to invest five minutes of your time tweaking the settings on the old router to turn it from a Wi-Fi access point and routing tool into a network switch–perfect for dropping behind your entertainment center so that your DVR, Xbox, and media center computer can all share an Ethernet connection. What Do I Need? For this tutorial you’ll need a few things, all of which you likely have readily on hand or are free for download. To follow the basic portion of the tutorial, you’ll need the following: 1 Wi-Fi router with Ethernet ports 1 Computer with Ethernet jack 1 Ethernet cable For the advanced tutorial you’ll need all of those things, plus: 1 copy of DD-WRT firmware for your Wi-Fi router We’re conducting the experiment with a Linksys WRT54GL Wi-Fi router. The WRT54 series is one of the best selling Wi-Fi router series of all time and there’s a good chance a significant number of readers have one (or more) of them stuffed in an office closet. Even if you don’t have one of the WRT54 series routers, however, the principles we’re outlining here apply to all Wi-Fi routers; as long as your router administration panel allows the necessary changes you can follow right along with us. A quick note on the difference between the basic and advanced versions of this tutorial before we proceed. Your typical Wi-Fi router has 5 Ethernet ports on the back: 1 labeled “Internet”, “WAN”, or a variation thereof and intended to be connected to your DSL/Cable modem, and 4 labeled 1-4 intended to connect Ethernet devices like computers, printers, and game consoles directly to the Wi-Fi router. When you convert a Wi-Fi router to a switch, in most situations, you’ll lose two port as the “Internet” port cannot be used as a normal switch port and one of the switch ports becomes the input port for the Ethernet cable linking the switch to the main network. This means, referencing the diagram above, you’d lose the WAN port and LAN port 1, but retain LAN ports 2, 3, and 4 for use. If you only need to switch for 2-3 devices this may be satisfactory. However, for those of you that would prefer a more traditional switch setup where there is a dedicated WAN port and the rest of the ports are accessible, you’ll need to flash a third-party router firmware like the powerful DD-WRT onto your device. Doing so opens up the router to a greater degree of modification and allows you to assign the previously reserved WAN port to the switch, thus opening up LAN ports 1-4. Even if you don’t intend to use that extra port, DD-WRT offers you so many more options that it’s worth the extra few steps. Preparing Your Router for Life as a Switch Before we jump right in to shutting down the Wi-Fi functionality and repurposing your device as a network switch, there are a few important prep steps to attend to. First, you want to reset the router (if you just flashed a new firmware to your router, skip this step). Following the reset procedures for your particular router or go with what is known as the “Peacock Method” wherein you hold down the reset button for thirty seconds, unplug the router and wait (while still holding the reset button) for thirty seconds, and then plug it in while, again, continuing to hold down the rest button. Over the life of a router there are a variety of changes made, big and small, so it’s best to wipe them all back to the factory default before repurposing the router as a switch. Second, after resetting, we need to change the IP address of the device on the local network to an address which does not directly conflict with the new router. The typical default IP address for a home router is 192.168.1.1; if you ever need to get back into the administration panel of the router-turned-switch to check on things or make changes it will be a real hassle if the IP address of the device conflicts with the new home router. The simplest way to deal with this is to assign an address close to the actual router address but outside the range of addresses that your router will assign via the DHCP client; a good pick then is 192.168.1.2. Once the router is reset (or re-flashed) and has been assigned a new IP address, it’s time to configure it as a switch. Basic Router to Switch Configuration If you don’t want to (or need to) flash new firmware onto your device to open up that extra port, this is the section of the tutorial for you: we’ll cover how to take a stock router, our previously mentioned WRT54 series Linksys, and convert it to a switch. Hook the Wi-Fi router up to the network via one of the LAN ports (consider the WAN port as good as dead from this point forward, unless you start using the router in its traditional function again or later flash a more advanced firmware to the device, the port is officially retired at this point). Open the administration control panel via  web browser on a connected computer. Before we get started two things: first,  anything we don’t explicitly instruct you to change should be left in the default factory-reset setting as you find it, and two, change the settings in the order we list them as some settings can’t be changed after certain features are disabled. To start, let’s navigate to Setup ->Basic Setup. Here you need to change the following things: Local IP Address: [different than the primary router, e.g. 192.168.1.2] Subnet Mask: [same as the primary router, e.g. 255.255.255.0] DHCP Server: Disable Save with the “Save Settings” button and then navigate to Setup -> Advanced Routing: Operating Mode: Router This particular setting is very counterintuitive. The “Operating Mode” toggle tells the device whether or not it should enable the Network Address Translation (NAT)  feature. Because we’re turning a smart piece of networking hardware into a relatively dumb one, we don’t need this feature so we switch from Gateway mode (NAT on) to Router mode (NAT off). Our next stop is Wireless -> Basic Wireless Settings: Wireless SSID Broadcast: Disable Wireless Network Mode: Disabled After disabling the wireless we’re going to, again, do something counterintuitive. Navigate to Wireless -> Wireless Security and set the following parameters: Security Mode: WPA2 Personal WPA Algorithms: TKIP+AES WPA Shared Key: [select some random string of letters, numbers, and symbols like JF#d$di!Hdgio890] Now you may be asking yourself, why on Earth are we setting a rather secure Wi-Fi configuration on a Wi-Fi router we’re not going to use as a Wi-Fi node? On the off chance that something strange happens after, say, a power outage when your router-turned-switch cycles on and off a bunch of times and the Wi-Fi functionality is activated we don’t want to be running the Wi-Fi node wide open and granting unfettered access to your network. While the chances of this are next-to-nonexistent, it takes only a few seconds to apply the security measure so there’s little reason not to. Save your changes and navigate to Security ->Firewall. Uncheck everything but Filter Multicast Firewall Protect: Disable At this point you can save your changes again, review the changes you’ve made to ensure they all stuck, and then deploy your “new” switch wherever it is needed. Advanced Router to Switch Configuration For the advanced configuration, you’ll need a copy of DD-WRT installed on your router. Although doing so is an extra few steps, it gives you a lot more control over the process and liberates an extra port on the device. Hook the Wi-Fi router up to the network via one of the LAN ports (later you can switch the cable to the WAN port). Open the administration control panel via web browser on the connected computer. Navigate to the Setup -> Basic Setup tab to get started. In the Basic Setup tab, ensure the following settings are adjusted. The setting changes are not optional and are required to turn the Wi-Fi router into a switch. WAN Connection Type: Disabled Local IP Address: [different than the primary router, e.g. 192.168.1.2] Subnet Mask: [same as the primary router, e.g. 255.255.255.0] DHCP Server: Disable In addition to disabling the DHCP server, also uncheck all the DNSMasq boxes as the bottom of the DHCP sub-menu. If you want to activate the extra port (and why wouldn’t you), in the WAN port section: Assign WAN Port to Switch [X] At this point the router has become a switch and you have access to the WAN port so the LAN ports are all free. Since we’re already in the control panel, however, we might as well flip a few optional toggles that further lock down the switch and prevent something odd from happening. The optional settings are arranged via the menu you find them in. Remember to save your settings with the save button before moving onto a new tab. While still in the Setup -> Basic Setup menu, change the following: Gateway/Local DNS : [IP address of primary router, e.g. 192.168.1.1] NTP Client : Disable The next step is to turn off the radio completely (which not only kills the Wi-Fi but actually powers the physical radio chip off). Navigate to Wireless -> Advanced Settings -> Radio Time Restrictions: Radio Scheduling: Enable Select “Always Off” There’s no need to create a potential security problem by leaving the Wi-Fi radio on, the above toggle turns it completely off. Under Services -> Services: DNSMasq : Disable ttraff Daemon : Disable Under the Security -> Firewall tab, uncheck every box except “Filter Multicast”, as seen in the screenshot above, and then disable SPI Firewall. Once you’re done here save and move on to the Administration tab. Under Administration -> Management:  Info Site Password Protection : Enable Info Site MAC Masking : Disable CRON : Disable 802.1x : Disable Routing : Disable After this final round of tweaks, save and then apply your settings. Your router has now been, strategically, dumbed down enough to plod along as a very dependable little switch. Time to stuff it behind your desk or entertainment center and streamline your cabling.     

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