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  • KVM CLI install for CentOS 6.3 defaults to Minimal Install

    - by i.h4d35
    So I now I've installed KVM (and its associated tools and packages- libvirt, VMM etc.). On the GUI (i.e using the VMM), installation works as its supposed to. However, when I try to create a VM using the command line interface, the OS (I am working with CentOS 6.3) defaults to a Minimal Install instead of giving me options to choose from at the time of installation. I am trying to install using the following command: virt-install \ --connect qemu:///system \ --virt-type kvm --name testVM2 \ --ram 512 --disk path=/var/lib/libvirt/images/testVM2.img,size=8 --vnc \ --cdrom /media/db18de8e-0853-49fb-80de-5c794d58a46f/CentOS-6.3- x86_64-bin-DVD1.iso \ --network network=default Specifying the OS-type or the OS-variant parameters doesn't make a difference. Is there something that I am missing out on or some other parameter that I must specify? Thanks in advance.

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  • Nginx + uWSGI + Django performance stuck on 100rq/s

    - by dancio
    I have configured Nginx with uWSGI and Django on CentOS 6 x64 (3.06GHz i3 540, 4GB), which should easily handle 2500 rq/s but when I run ab test ( ab -n 1000 -c 100 ) performance stops at 92 - 100 rq/s. Nginx: user nginx; worker_processes 2; events { worker_connections 2048; use epoll; } uWSGI: Emperor /usr/sbin/uwsgi --master --no-orphans --pythonpath /var/python --emperor /var/python/*/uwsgi.ini [uwsgi] socket = 127.0.0.2:3031 master = true processes = 5 env = DJANGO_SETTINGS_MODULE=x.settings env = HTTPS=on module = django.core.handlers.wsgi:WSGIHandler() disable-logging = true catch-exceptions = false post-buffering = 8192 harakiri = 30 harakiri-verbose = true vacuum = true listen = 500 optimize = 2 sysclt changes: # Increase TCP max buffer size setable using setsockopt() net.ipv4.tcp_rmem = 4096 87380 8388608 net.ipv4.tcp_wmem = 4096 87380 8388608 net.core.rmem_max = 8388608 net.core.wmem_max = 8388608 net.core.netdev_max_backlog = 5000 net.ipv4.tcp_max_syn_backlog = 5000 net.ipv4.tcp_window_scaling = 1 net.core.somaxconn = 2048 # Avoid a smurf attack net.ipv4.icmp_echo_ignore_broadcasts = 1 # Optimization for port usefor LBs # Increase system file descriptor limit fs.file-max = 65535 I did sysctl -p to enable changes. Idle server info: top - 13:34:58 up 102 days, 18:35, 1 user, load average: 0.00, 0.00, 0.00 Tasks: 118 total, 1 running, 117 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: 3983068k total, 2125088k used, 1857980k free, 262528k buffers Swap: 2104504k total, 0k used, 2104504k free, 606996k cached free -m total used free shared buffers cached Mem: 3889 2075 1814 0 256 592 -/+ buffers/cache: 1226 2663 Swap: 2055 0 2055 **During the test:** top - 13:45:21 up 102 days, 18:46, 1 user, load average: 3.73, 1.51, 0.58 Tasks: 122 total, 8 running, 114 sleeping, 0 stopped, 0 zombie Cpu(s): 93.5%us, 5.2%sy, 0.0%ni, 0.2%id, 0.0%wa, 0.1%hi, 1.1%si, 0.0%st Mem: 3983068k total, 2127564k used, 1855504k free, 262580k buffers Swap: 2104504k total, 0k used, 2104504k free, 608760k cached free -m total used free shared buffers cached Mem: 3889 2125 1763 0 256 595 -/+ buffers/cache: 1274 2615 Swap: 2055 0 2055 iotop 30141 be/4 nginx 0.00 B/s 7.78 K/s 0.00 % 0.00 % nginx: wo~er process Where is the bottleneck ? Or what am I doing wrong ?

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  • Centos 6.5 -- backported upgrades/php.ini directives included in php 5.3.3

    - by Decave
    PHP 5.3.3 is the latest version of PHP available with the official CentOS 6.5 repos. As most of you know, calling it version '5.3.3' is slightly deceptive because critical bug fixes are actually back ported into version 5.3.3, so in effect 'version 5.3.3' does get upgraded now and then. My question is: aside from manually toggling directives in php.ini, how can you tell which new directives, that were implemented in, and officially supported by, later versions of PHP, are also available in CentOS 6.5's backported PHP 5.3.3? For example, max_input_vars (http://php.net/manual/en/info.configuration.php#ini.max-input-vars) has been available since PHP 5.3.9. IS there an easy way to tell whether CentOS included this in a backported upgrade to 5.3.3? Thanks!

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  • CentOS 6.2 Bridge Setup for KVM

    - by Gaia
    I'm trying to set up bridged networking with KVM on CentOS 6.2 to no avail. There are plenty of docs and tutorials about it, but they all seem to conflict or don't provide info specific enough to my situation. I just don't get it. I access the host via public IP "xxx.xxx.128.58". All other available IPs (/29) should be bridged and made available to the only KVM guest (running a public facing LAMP stack) that will be setup on this machine. The amazingly unhelpful NOC people assigned the extra IPs to eth1. Is this correct? Should br0 bridge to eth0 or eth1? How do I set this up? Here is the relevant info: eth0 Link encap:Ethernet HWaddr 00:25:90:68:FE:BC inet6 addr: fe80::225:90ff:fe68:febc/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:763 errors:0 dropped:0 overruns:0 frame:0 TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:550811 (537.9 KiB) TX bytes:648 (648.0 b) Memory:fb980000-fba00000 eth1 Link encap:Ethernet HWaddr 00:25:90:68:FE:BD inet addr:xxx.xxx.128.58 Bcast:xxx.xxx.128.63 Mask:255.255.255.248 inet6 addr: fe80::225:90ff:fe68:febd/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1806 errors:0 dropped:0 overruns:0 frame:0 TX packets:1505 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:133166 (130.0 KiB) TX bytes:106070 (103.5 KiB) Memory:fb900000-fb980000 eth1:0 Link encap:Ethernet HWaddr 00:25:90:68:FE:BD inet addr:xxx.xxx.128.59 Bcast:xxx.xxx.128.63 Mask:255.255.255.248 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Memory:fb900000-fb980000 eth1:1 Link encap:Ethernet HWaddr 00:25:90:68:FE:BD inet addr:xxx.xxx.128.60 Bcast:xxx.xxx.128.63 Mask:255.255.255.248 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Memory:fb900000-fb980000 eth1:2 Link encap:Ethernet HWaddr 00:25:90:68:FE:BD inet addr:xxx.xxx.128.61 Bcast:xxx.xxx.128.63 Mask:255.255.255.248 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Memory:fb900000-fb980000 eth1:3 Link encap:Ethernet HWaddr 00:25:90:68:FE:BD inet addr:xxx.xxx.128.62 Bcast:xxx.xxx.128.63 Mask:255.255.255.248 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Memory:fb900000-fb980000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) virbr0 Link encap:Ethernet HWaddr 52:54:00:62:55:68 inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) > cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=XXXX.domain.com > brctl show bridge name bridge id STP enabled interfaces br0 8000.00259068febc no eth0 virbr0 8000.525400625568 yes virbr0-nic > ls -fl | grep ifcfg -rw-r--r-- 1 root root 198 Jun 7 10:58 ifcfg-eth0 -rw-r--r--. 1 root root 254 Oct 7 2011 ifcfg-lo -rw-r--r-- 1 root root 77 Jun 6 18:51 ifcfg-eth1-range0 -rw-r--r-- 1 root root 168 Jun 6 18:50 ifcfg-eth1 > cat ifcfg-eth0 DEVICE="eth0" BOOTPROTO="static" BRIDGE="br0" HWADDR="00:25:90:68:FE:BC" IPV6INIT="yes" MTU="1500" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" IPADDR="yyy.yyy.216.131" NETMASK="255.255.255.128" > cat ifcfg-eth1 DEVICE="eth1" HWADDR="00:25:90:68:FE:BD" NM_CONTROLLED="yes" ONBOOT="yes" BOOTPROTO="static" IPADDR="xxx.xxx.128.58" NETMASK="255.255.255.248" GATEWAY="xxx.xxx.128.57" > cat ifcfg-eth1-range0 IPADDR_START="xxx.xxx.128.59" IPADDR_END="xxx.xxx.128.62" CLONENUM_START="0" Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface xxx.xxx.128.56 * 255.255.255.248 U 0 0 0 eth1 192.168.122.0 * 255.255.255.0 U 0 0 0 virbr0 link-local * 255.255.0.0 U 1003 0 0 eth1 default xxx.xxx.128.57 0.0.0.0 UG 0 0 0 eth1

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  • Glusterfs : 'No route to host' for fstab mount in CentOS

    - by son_of_fire
    I am using glusterfs, and am using fstab in this way: <IPADDRESS>:/<VOLUMENAME> /some/mount/point glusterfs defaults,_netdev 0 0 but the logs for the mount continue to say the following. [<TIMESTAMP>] E [socket.c:2161:socket_connect_finish] 0-<VOLUMENAME>-client-1: connection to <IPADDRESS>:24007 failed (No route to host) I know this is not true, since when the system is up and running, I can easily issue a mount and the volume gets mounted. (I've done this by using rc.local) after reading more I have seen that using _netdev is preferred, and that if the host cannot be reached netfs will remount the volume after the network comes up, but that is not happening. (netfs is running). Is there a way to make the mount happen at a different time without using a script? (I would prefer to use fstab to manage the mounting even though I can use a script.)

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  • DHCP over WiFi on CentOS 6 [closed]

    - by dongle26
    Using CentOS 6 I cannot get my WiFi interface to configure over DHCP. Here is my ifcfg-wlan0: This does not work (although it is correct): DEVICE=wlan0 BOOTPROTO=dhcp ONBOOT=yes HWADDR=xx:xx:xx:xx:xx:xx TYPE=Wireless This works: DEVICE=wlan0 BOOTPROTO=none ONBOOT=yes IPADDR=192.168.0.253 NETMASK=255.255.255.0 DNS1=192.168.0.99 GATEWAY=192.168.0.99 HWADDR=xx:xx:xx:xx:xx:xx TYPE=Wireless I don't want a static IP address, I want a DHCP assigned address. Update: Both of the above configs are correct. Please don't downvote, this really didn't work for me. It must be a bug in CentOS or my wireless driver. See my answer for details.

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  • Apache misbehaving (returning 404s)

    - by OC2PS
    CentOS 6.4 64-bit Apache 2.4.6 PHP-FPM 5.5.4 Homepage from root loads fine http://csillamvilag.com But all other pages return 404 (CMS is WordPress). I am also able to access and log into WordPress backend. Additionally, Menalto Gallery 3 seems to be loading ok http://csillamvilag.com/kepek/ but all OpenCart pages return 404 http://csillamvilag.com/shop/ or http://csillamvilag.com/shop/hu/ Apache is running as user apache. All relevant WordPress and OpenCart files are owned by user apache. I have a suspicion that it might be a rewrite issue, but I checked .htaccess for both WordPress and OpenCart, and they look ok. e.g. WordPress/root .htaccess is: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule>

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  • PLesk Error: pmm-ras error (Error code = -6): during restore.. /tmp folder to increase?

    - by eric
    I had to re-install plesk on a centos 6 system after a crash. The full backup file is 11 gb. but at the beginning of the backup reinstall I get the error Error: pmm-ras error (Error code = -6): argh ! my disk organization is like this Filesystem Size Used Avail Use% Mounted on /dev/xvda1 3.7G 801M 2.9G 22% / /dev/mapper/vg00-usr 14G 1.5G 12G 12% /usr /dev/mapper/vg00-var 155G 14G 134G 10% /var /dev/mapper/vg00-home 3.9G 136M 3.6G 4% /home none 1000M 7.5M 993M 1% /tmp I suppose I have to increase my /tmp folder to accept the backup size,but I don't know how-to. I'm on 1&1 cloud server Thanks for your help. You can imagine the emergency of this situation...

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  • Turn off email notification from abrt (Automatic Bug Reporting Tool)

    - by Banjer
    I'm configuring CentOS 6.2 and have seen a few "[abrt] full crash report" emails. I understand that abrt is useful for creating crash dumps and what not, so I don't want to disable the service, I just would like to stop getting the crash report emails. I probably have to add something to the config file in /etc/abrt/abrt.conf. I can't seem to find anything in my searches. Any idea? Thanks. Edit: Here is my abrt.conf, which is rather simple. [root@myhost~]# cat /etc/abrt/abrt.conf # Enable this if you want abrtd to auto-unpack crashdump tarballs which appear # in this directory (for example, uploaded via ftp, scp etc). # Note: you must ensure that whatever directory you specify here exists # and is writable for abrtd. abrtd will not create it automatically. # #WatchCrashdumpArchiveDir = /var/spool/abrt-upload # Max size for crash storage [MiB] or 0 for unlimited # MaxCrashReportsSize = 1000 # Specify where you want to store coredumps and all files which are needed for # reporting. (default:/var/spool/abrt) # #DumpLocation = /var/spool/abrt And a listing of /etc/abrt: [root@myhost~]# ls -la /etc/abrt total 32 drwxr-xr-x. 3 root root 4096 Apr 13 06:14 . drwxr-xr-x. 97 root root 12288 Apr 13 03:50 .. -rw-r--r--. 1 root root 527 Dec 13 22:50 abrt-action-save-package-data.conf -rw-r--r--. 1 root root 572 Dec 13 22:50 abrt.conf -rw-r--r--. 1 root root 175 Dec 13 22:50 gpg_keys drwxr-xr-x. 2 root root 4096 Apr 13 06:13 plugins [root@myhost~]# ls -la /etc/abrt/plugins/ total 12 drwxr-xr-x. 2 root root 4096 Apr 13 06:13 . drwxr-xr-x. 3 root root 4096 Apr 13 06:14 .. -rw-r--r--. 1 root root 278 Dec 13 22:50 CCpp.conf Actually all of those conf files above are only a few lines and do not mention anything about mail, email, or notifications.

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  • Secondary backup server

    - by verdy
    I've been given a task to implement a backup solution in the event of our website goes down. It is a dedicated server running centos 6. From what i've experience on our server, our server may go down because of PHP application crash or hardware failure. I have couple of questions: In the first case, is it possible to get the server restart the PHP automatically, how can I do that? Because in my mind, if it is only the application that goes down, probably I can still make use of the server itself. In the second case, can I redirect a request to a secondary server? How can I do that? What do I need other than another server? For now it is gonna be a simple server which shows the user a static landing page so later the system notify us via email that the primary server went down so that we can restart the server manually. Is it possible to setup just a vps or even a shared server for the secondary server ? As I think there is only gonna be a static page. Thanks. Any help would be much appreciated

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  • CentOS Client - Unable to Establish iSCSI connection with multiple interfaces on the initiator

    - by slashdot
    So after upgrading to CentOS 6.2, I am seemingly no longer able to login into my iSCSI targets. I have multiple interfaces on different subnets on the system, and I first thought that it had to do with the fact that I may not be binding correct interfaces, which seems to be the case when looking at netstat, as this is clearly wrong: [root]? netstat -na|grep .90 tcp 0 1 10.10.100.60:42354 10.10.8.90:3260 SYN_SENT tcp 0 1 10.10.100.60:40777 10.10.9.90:3260 SYN_SENT I then went ahead and disabled all but one interface, and so as a result netstat appears to be correct, but the issue with login remains. I am positive that the target never sees a packet, because I see nothing by SYN_SENT. I know the problem is on my client, because the target is servicing multiple systems, none of which are CentOS 6.2. At this point I am pretty confident that some things changed between CentOS 6.0/6.1 and 6.2. So, if anyone have any thoughts, or ran into this, I would very much like to hear your thoughts. [root]? iscsiadm --mode node --targetname iqn.2011-12.dom.homer:01:lab-centos-servers-00001 --portal 10.10.8.90:3260,2 --interface=sw-iscsi-0 --login Logging in to [iface: sw-iscsi-0, target: iqn.2011-12.dom.homer:01:lab-centos-servers-00001, portal: 10.10.8.90,3260] (multiple) iscsiadm: Could not login to [iface: sw-iscsi-0, target: iqn.2011-12.dom.homer:01:lab-centos-servers-00001, portal: 10.10.8.90,3260]. iscsiadm: initiator reported error (8 - connection timed out) iscsiadm: Could not log into all portals [root]? netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 10.10.8.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2.7 10.10.9.0 0.0.0.0 255.255.255.0 U 0 0 0 eth3.7 10.10.100.0 0.0.0.0 255.255.252.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth2 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth3 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth2.7 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth3.7 0.0.0.0 10.10.100.1 0.0.0.0 UG 0 0 0 eth0 Output of ip addr show for the two interfaces involved: [root]? for i in 2.7 3.7; do ip addr show eth$i; done 6: eth2.7@eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 00:0c:29:94:5b:8d brd ff:ff:ff:ff:ff:ff inet 10.10.8.60/24 brd 10.10.8.255 scope global eth2.7 inet6 fe80::20c:29ff:fe94:5b8d/64 scope link valid_lft forever preferred_lft forever 7: eth3.7@eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 00:0c:29:94:5b:97 brd ff:ff:ff:ff:ff:ff inet 10.10.9.60/24 brd 10.10.9.255 scope global eth3.7 inet6 fe80::20c:29ff:fe94:5b97/64 scope link valid_lft forever preferred_lft forever Update 01/06/2012: This issue is getting even more interesting by the day it seems. I went a few weeks back and grabbed a snapshot of this system from before upgrading to 6.2. I spun up a new system from the snapshot, and reconfigured interface info and host keys, as well as iSCSI initiator and iscsi interface info to match new MACs. Changed nothing else. Then, I attempted to connect to my targets, and no issues at all. I cannot say that this was unexpected. I then went ahead and compared sysctl settings from both systems and there were differences after the upgrade, but nothing seemingly relevant to iSCSI or IP that could contribute to this. I also noticed that by default now two sessions per connection were enabled after the upgrade, but I changed it back to 1 session in /etc/iscsi/iscsid.conf. On the problematic system we can see that source interface is seemingly wrong, but even when I disable the 10.10.100 interface, problems persist. So, while this may be relevant, I could not validate it for certain. Needless to say, further research is necessary. Something is clearly different between releases. Working system is on 6.1, and non-working is 6.2. ::Working System:: tcp 0 0 10.10.8.210:39566 10.10.8.90:3260 ESTABLISHED tcp 0 0 10.10.9.210:46518 10.10.9.90:3260 ESTABLISHED [root]? ip route show 10.10.8.0/24 dev eth2.6 proto kernel scope link src 10.10.8.210 10.10.9.0/24 dev eth3.7 proto kernel scope link src 10.10.9.210 10.10.100.0/22 dev eth0 proto kernel scope link src 10.10.100.210 169.254.0.0/16 dev eth0 scope link metric 1002 169.254.0.0/16 dev eth2.6 scope link metric 1006 169.254.0.0/16 dev eth3.7 scope link metric 1007 default via 10.10.100.1 dev eth0 ::Non-working System:: tcp 0 1 10.10.100.60:44737 10.10.9.90:3260 SYN_SENT tcp 0 1 10.10.100.60:55479 10.10.8.90:3260 SYN_SENT [root]? ip route show 10.10.8.0/24 dev eth2.6 proto kernel scope link src 10.10.8.60 10.10.9.0/24 dev eth3.7 proto kernel scope link src 10.10.9.60 10.10.100.0/22 dev eth0 proto kernel scope link src 10.10.100.60 169.254.0.0/16 dev eth0 scope link metric 1002 169.254.0.0/16 dev eth2.6 scope link metric 1006 169.254.0.0/16 dev eth3.7 scope link metric 1007 default via 10.10.100.1 dev eth0 And the result is still same: [root]? iscsiadm: Could not login to [iface: sw-iscsi-0, target: iqn.2011-12.dom.homer:01:lab-centos-servers-00001, portal: 10.10.8.90,3260]. iscsiadm: initiator reported error (8 - connection timed out) iscsiadm: Could not login to [iface: sw-iscsi-1, target: iqn.2011-12.dom.homer:02:lab-centos-servers-00001, portal: 10.10.9.90,3260]. iscsiadm: initiator reported error (8 - connection timed out) iscsiadm: Could not log into all portals Update 01/08/2012: I believe I have been able to figure out the answer to my issue. It is quite obscure and I doubt this will happen to anyone else any time soon. It turns out that setting iface.iscsi_ifacename and iface.hwaddress in the interfaces configuration file is not legal. When one manually adds an iscsi target, such as below, all settings from the interface config file are copied into the node config file, that gets created by the below command. Result is parameters iface.iscsi_ifacename and iface.hwaddress together in the same config file. These parameters are seemingly mutually exclusive, which does not exactly make sense, or there is perhaps an oversight in the codepath. Perhaps I will investigate further. # iscsiadm -m node --op new -T iqn.2011-12.dom.homer:01:lab-centos-servers-00001 -p 10.10.8.90,3260,2 -I sw-iscsi-0 # iscsiadm -m node --op new -T iqn.2011-12.dom.homer:02:lab-centos-servers-00001 -p 10.10.9.90,3260,2 -I sw-iscsi-1 Notice, below I commented out iface.hwaddress and iface.ipaddress, after which I re-added targets, with same command as above. All works just fine. [root]? cat * # BEGIN RECORD 2.0-872.33.el6 iface.iscsi_ifacename = sw-iscsi-0 iface.net_ifacename = eth2.6 #iface.hwaddress = XX:XX:XX:XX:XX:XX #iface.ipaddress = 10.10.8.60 iface.transport_name = tcp iface.vlan_id = 6 iface.vlan_priority = 0 iface.iface_num = 0 iface.mtu = 0 iface.port = 0 # END RECORD # BEGIN RECORD 2.0-872.33.el6 iface.iscsi_ifacename = sw-iscsi-1 iface.net_ifacename = eth3.7 #iface.hwaddress = XX:XX:XX:XX:XX:XX #iface.ipaddress = 10.10.9.60 iface.transport_name = tcp iface.vlan_id = 7 iface.vlan_priority = 0 iface.iface_num = 0 iface.mtu = 0 iface.port = 0 # END RECORD Again, chances of this happening to someone else are slim to none, so likely waste of time typing this up. But, if someone does encounter this issue, I hope this post will help.

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  • Printing fails after first print with Centos 6 and HP LaserJet P3015dn printer

    - by Gavin Simpson
    Centos 6 recognises and configures a HP LaserJet P3015dn printer connected via USB. This machine is being configured as a small group file/print server. I can print a test page, which is processed/printed correctly. The next time printing is attempted (say printing a second test page), the page is not printed and the printer is set to disabled. The status of the printer is stated as: Stopped - /usr/lib/cups/backend/hp failed in the printer configuration dialogue. /var/log/cups/error_log contains this information (first two lines were there prior to the failed print job) E [24/Jun/2004:09:12:57 +0100] Returning HTTP Forbidden for Resume-Printer (ipp://localhost/printers/HP-LaserJet-P3010-Series) from localhost E [24/Jun/2004:09:20:59 +0100] Returning HTTP Forbidden for CUPS-Delete-Printer (ipp://localhost/printers/HP-LaserJet-P3010-Series) from localhost D [24/Jun/2004:09:37:28 +0100] [Job 28] The following messages were recorded from 09:36:43 AM to 09:37:28 AM D [24/Jun/2004:09:37:28 +0100] [Job 28] Adding start banner page "none". D [24/Jun/2004:09:37:28 +0100] [Job 28] Adding end banner page "none". D [24/Jun/2004:09:37:28 +0100] [Job 28] File of type application/vnd.cups-banner queued by "gavin". D [24/Jun/2004:09:37:28 +0100] [Job 28] hold_until=0 D [24/Jun/2004:09:37:28 +0100] [Job 28] Queued on "HP-LaserJet-P3010-Series" by "gavin". D [24/Jun/2004:09:37:28 +0100] [Job 28] job-sheets=none,none D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[0]="HP-LaserJet-P3010-Series" D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[1]="28" D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[2]="gavin" D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[3]="Test Page" D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[4]="1" D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[5]="job-uuid=urn:uuid:b3370a97-4ab6-3451-40a2-6239b13fa3e1 job-originating-host-name=localhost" D [24/Jun/2004:09:37:28 +0100] [Job 28] argv[6]="/var/spool/cups/d00028-001" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[0]="CUPS_CACHEDIR=/var/cache/cups" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[1]="CUPS_DATADIR=/usr/share/cups" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[2]="CUPS_DOCROOT=/usr/share/cups/www" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[3]="CUPS_FONTPATH=/usr/share/cups/fonts" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[4]="CUPS_REQUESTROOT=/var/spool/cups" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[5]="CUPS_SERVERBIN=/usr/lib/cups" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[6]="CUPS_SERVERROOT=/etc/cups" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[7]="CUPS_STATEDIR=/var/run/cups" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[8]="HOME=/var/spool/cups/tmp" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[9]="PATH=/usr/lib/cups/filter:/usr/bin:/usr/sbin:/bin:/usr/bin" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[10]="[email protected]" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[11]="SOFTWARE=CUPS/1.4.2" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[12]="TMPDIR=/var/spool/cups/tmp" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[13]="USER=root" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[14]="CUPS_SERVER=/var/run/cups/cups.sock" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[15]="CUPS_ENCRYPTION=IfRequested" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[16]="IPP_PORT=631" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[17]="CHARSET=utf-8" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[18]="LANG=en_US.UTF-8" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[19]="PPD=/etc/cups/ppd/HP-LaserJet-P3010-Series.ppd" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[20]="RIP_MAX_CACHE=8m" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[21]="CONTENT_TYPE=application/vnd.cups-banner" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[22]="DEVICE_URI=hp:/usb/HP_LaserJet_P3010_Series?serial=VNBV993GM4" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[23]="PRINTER_INFO=Hewlett-Packard HP LaserJet P3010 Series" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[24]="PRINTER_LOCATION=electra.geog.ucl.ac.uk" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[25]="PRINTER=HP-LaserJet-P3010-Series" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[26]="CUPS_FILETYPE=document" D [24/Jun/2004:09:37:28 +0100] [Job 28] envp[27]="FINAL_CONTENT_TYPE=application/vnd.cups-postscript" D [24/Jun/2004:09:37:28 +0100] [Job 28] Started filter /usr/lib/cups/filter/bannertops (PID 2858) D [24/Jun/2004:09:37:28 +0100] [Job 28] Started filter /usr/lib/cups/filter/pstops (PID 2859) D [24/Jun/2004:09:37:28 +0100] [Job 28] Started backend /usr/lib/cups/backend/hp (PID 2860) D [24/Jun/2004:09:37:28 +0100] [Job 28] load_banner(filename="/var/spool/cups/d00028-001") D [24/Jun/2004:09:37:28 +0100] [Job 28] Page = 612x792; 12,12 to 600,780 D [24/Jun/2004:09:37:28 +0100] [Job 28] Page = 612x792; 12,12 to 600,780 D [24/Jun/2004:09:37:28 +0100] [Job 28] slow_collate=0, slow_duplex=0, slow_order=0 D [24/Jun/2004:09:37:28 +0100] [Job 28] Before copy_comments - %!PS-Adobe-3.0 D [24/Jun/2004:09:37:28 +0100] [Job 28] %!PS-Adobe-3.0 D [24/Jun/2004:09:37:28 +0100] [Job 28] %%BoundingBox: 12 12 600 780 D [24/Jun/2004:09:37:28 +0100] [Job 28] %cupsRotation: 0 D [24/Jun/2004:09:37:28 +0100] [Job 28] %%Creator: bannertops/CUPS v1.4.2 D [24/Jun/2004:09:37:28 +0100] [Job 28] %%CreationDate: Thu 24 Jun 2004 09:36:43 AM BST D [24/Jun/2004:09:37:28 +0100] [Job 28] %%LanguageLevel: 2 D [24/Jun/2004:09:37:28 +0100] [Job 28] %%DocumentData: Clean7Bit D [24/Jun/2004:09:37:28 +0100] [Job 28] %%Title: (Test Page) D [24/Jun/2004:09:37:28 +0100] [Job 28] %%For: (gavin) D [24/Jun/2004:09:37:28 +0100] [Job 28] %%Pages: 1 D [24/Jun/2004:09:37:28 +0100] [Job 28] %%DocumentSuppliedResources: font Monospace D [24/Jun/2004:09:37:28 +0100] [Job 28] %%+ font Monospace-Bold D [24/Jun/2004:09:37:28 +0100] [Job 28] %%+ font Monospace-BoldOblique D [24/Jun/2004:09:37:28 +0100] [Job 28] %%+ font Monospace-Oblique D [24/Jun/2004:09:37:28 +0100] [Job 28] %%EndComments D [24/Jun/2004:09:37:28 +0100] [Job 28] Before copy_prolog - %%BeginProlog D [24/Jun/2004:09:37:28 +0100] [Job 28] STATE: +connecting-to-device D [24/Jun/2004:09:37:28 +0100] [Job 28] prnt/backend/hp.c 762: ERROR: cannot open channel PRINT D [24/Jun/2004:09:37:28 +0100] [Job 28] Backend returned status 1 (failed) D [24/Jun/2004:09:37:28 +0100] [Job 28] Printer stopped due to backend errors; please consult the error_log file for details. D [24/Jun/2004:09:37:28 +0100] [Job 28] End of messages D [24/Jun/2004:09:37:28 +0100] [Job 28] printer-state=5(stopped) D [24/Jun/2004:09:37:28 +0100] [Job 28] printer-state-message="/usr/lib/cups/backend/hp failed" D [24/Jun/2004:09:37:28 +0100] [Job 28] printer-state-reasons=paused /var/log/messages contains the following reports associated with the recognition of the printer and the failed print job: Jun 24 09:35:07 electra kernel: usb 1-8: new high speed USB device using ehci_hcd and address 2 Jun 24 09:35:07 electra kernel: usb 1-8: New USB device found, idVendor=03f0, idProduct=8d17 Jun 24 09:35:07 electra kernel: usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jun 24 09:35:07 electra kernel: usb 1-8: Product: HP LaserJet P3010 Series Jun 24 09:35:07 electra kernel: usb 1-8: Manufacturer: Hewlett-Packard Jun 24 09:35:07 electra kernel: usb 1-8: SerialNumber: VNBV993GM4 Jun 24 09:35:07 electra kernel: usb 1-8: configuration #1 chosen from 1 choice Jun 24 09:35:07 electra kernel: usblp0: USB Bidirectional printer dev 2 if 0 alt 1 proto 2 vid 0x03F0 pid 0x8D17 Jun 24 09:35:07 electra kernel: usbcore: registered new interface driver usblp Jun 24 09:35:07 electra udev-configure-printer: invalid or missing IEEE 1284 Device ID Jun 24 09:35:08 electra hp[1942]: io/hpmud/pp.c 627: unable to read device-id ret=-1 Jun 24 09:35:09 electra python: io/hpmud/pp.c 627: unable to read device-id ret=-1 Jun 24 09:35:51 electra kernel: usblp0: removed Jun 24 09:37:28 electra hp[2860]: io/hpmud/dot4.c 254: unable to read Dot4ReverseReply data: Resource temporarily unavailable exp=2 act=0 Jun 24 09:37:28 electra hp[2860]: io/hpmud/dot4.c 330: invalid DOT4InitReply: cmd=0, result=20#012, revision=0 Jun 24 09:37:28 electra hp[2860]: prnt/backend/hp.c 762: ERROR: cannot open channel PRINT I am now at a loss as to how to proceed to get this printer working on my Centos machine. How can I configure the machine to print more than a single print job without needing to be unplugged/plugged in repeatedly?

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  • Changing memory allocator to Jemalloc Centos 6

    - by Brian Lovett
    After reading this blog post about the impact of memory allocators like jemalloc on highly threaded applications, I wanted to test things on a larger scale on some of our cluster of servers. We run sphinx, and apache using threads, and on 24 core machines. Installing jemalloc was simple enough. We are running Centos 6, so yum install jemalloc jemalloc-devel did the trick. My question is, how do we change everything on the system over to using jemalloc instead of the default malloc built into Centos. Research pointed me at this as a potential option: LD_PRELOAD=$LD_PRELOAD:/usr/lib64/libjemalloc.so.1 Would this be sufficient to get everything using jemalloc?

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  • Broadcom BCM5716 Hangs on CentOS 6 Boot

    - by someotherguy
    I have a fresh CentOS 6 installation on a Dell R310 server with a Broadcom BCM5716. The onboard NIC is causing the boot to hang for some reason. Welcome to CentOS Linux Starting udev: udev: starting version 147 Boardcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.0.23b (Feb 01, 2011) bnx2 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 That's it... then it just hangs / freezes. If I disable the NIC via the BIOS settings, CentOS boots fine. I've downloaded and installed the latest driver from Broadcom's website. Any ideas?

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  • Centos 6.2 Fresh 'Basic Server' install networking issues

    - by RWC
    I've had a /29 provisioned on a network port for a server and am trying to at least configure the machine so I can ssh into it. It's Centos 6.2 x64 with the Basic Server install. Currently not able to ping gateway or any address for that matter. For reference: Default Interface: em2 Network ID: 66.*.*.0/29 Gateway: 66.*.*.1 Broadcast: 66.*.*.7 Please see my following configs: /etc/sysconfig/network-scripts/ifcfg-em2 DEVICE=em2 NM_CONTROLLED=yes ONBOOT=yes HWADDR=Not Important TYPE=Ethernet BOOTPROTO=none IPADDR=66.*.*.2 PREFIX=29 DNS1=8.8.8.8 DNS2=8.8.4.4 DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System em2" NETMASK=255.255.255.248 USERCTL=no $: route -n Destination // Gateway // Genmask // Flags // Metric // Ref // Use // Iface 66.*.*.0 0.0.0.0 255.255.255.248 U 0 0 0 em2 169.254.0.0 0.0.0.0 255.255.0.0 U 0 1003 0 em2 0.0.0.0 66.*.*.1 0.0.0.0 UG 0 0 0 em2 $: route Destination // Gateway // Genmask // Flags // Metric // Ref // Use // Iface 66.*.*.0 * 255.255.255.248 U 0 0 0 em2 link-local * 255.255.0.0 U 0 1003 0 em2 default 66.*.*.1 0.0.0.0 UG 0 0 0 em2 $: cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=excalibur.domain.com GATEWAY=66.*.*.1 Keep in mind that I cannot even currently ping the gateway which is quite confusing for me. My /etc/hosts are configured correctly with the *.2 address. I'm not concerned with getting all of the addresses on the /29 up and running yet, just one so I can at least ssh in. Thanks! Edit: Adding in ifconfig. $: ifconfig em2 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX inet addr:66.*.*.2 Bcat:66.*.*.7 Mask:255.255.255.248 inet6 addr: UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5536 errors:0 dropped:0 overruns:0 frame:0 TX packets:10 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2599469 (2.4 MiB) TX bytes: 748 (748.0 b) Interrupt:48 Memory:dc000000-dc012800 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:34 errors:0 etc etc

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  • How to install php-devel under CentOS 6.3 x64?

    - by Jeremy Dicaire
    I'm trying to install php-devel on my CentOS 6.3 VPS and get a failed dependencies test. From phpinfos(): SYSTEM Linux 2.6.32-279.5.2.el6.x86_64 #1 x86_64 NTS error: Failed dependencies: php(x86-64) = 5.4.6-1.el6.remi is needed by php-devel-5.4.6-1.el6.remi.x86_64 I've tried the following RPM packages: php54w-devel-5.4.6-1.w6.x86_64.rpm php-devel-5.4.6-1.el6.remi.i686.rpm php-devel-5.4.6-1.el6.remi.x86_64.rpm One of the above package gave me this: root@sv1 [/tmp]# rpm -Uvh php-devel-5.4.6-1.el6.remi.i686.rpm warning: php-devel-5.4.6-1.el6.remi.i686.rpm: Header V3 DSA/SHA1 Signature, key ID 00f97f56: NOKEY error: Failed dependencies: php(x86-32) = 5.4.6-1.el6.remi is needed by php-devel-5.4.6-1.el6.remi.i686 libbz2.so.1 is needed by php-devel-5.4.6-1.el6.remi.i686 libcom_err.so.2 is needed by php-devel-5.4.6-1.el6.remi.i686 libcrypto.so.10 is needed by php-devel-5.4.6-1.el6.remi.i686 libedit.so.0 is needed by php-devel-5.4.6-1.el6.remi.i686 libgmp.so.3 is needed by php-devel-5.4.6-1.el6.remi.i686 libgssapi_krb5.so.2 is needed by php-devel-5.4.6-1.el6.remi.i686 libk5crypto.so.3 is needed by php-devel-5.4.6-1.el6.remi.i686 libkrb5.so.3 is needed by php-devel-5.4.6-1.el6.remi.i686 libncurses.so.5 is needed by php-devel-5.4.6-1.el6.remi.i686 libssl.so.10 is needed by php-devel-5.4.6-1.el6.remi.i686 libstdc++.so.6 is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2 is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.4.30) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.5.2) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.6.0) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.6.11) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.6.5) is needed by php-devel-5.4.6-1.el6.remi.i686 libz.so.1 is needed by php-devel-5.4.6-1.el6.remi.i686 I don't know how to fix this error and download all the dependencies. Thank you. Edit 1 (for quanta): Here is "yum repolist": root@sv1 [/tmp]# yum repolist Loaded plugins: fastestmirror, presto Loading mirror speeds from cached hostfile * base: mirror.atlanticmetro.net * epel: mirror.cogentco.com * extras: mirror.atlanticmetro.net * rpmforge: mirror.us.leaseweb.net * updates: centos.mirror.choopa.net repo id repo name status base CentOS-6 - Base 5,980+366 epel Extra Packages for Enterprise Linux 6 - x86_64 6,493+1,272 extras CentOS-6 - Extras 4 rpmforge RHEL 6 - RPMforge.net - dag 2,123+2,310 updates CentOS-6 - Updates 499+29 repolist: 15,099 root@sv1 [/tmp]# rpm -qa | grep php didn't return any result. I forgot to mention I'm using cPanel/WHM Edit 2 after adding the Remi repo: >root@sv1 [/etc/yum.repos.d]# yum clean all Loaded plugins: fastestmirror, presto Cleaning repos: base epel extras remi remi-test rpmforge updates Cleaning up Everything Cleaning up list of fastest mirrors 1 delta-package files removed, by presto >root@sv1 [/etc/yum.repos.d]# yum repolist Loaded plugins: fastestmirror, presto Determining fastest mirrors epel/metalink | 12 kB 00:00 * base: centos.mirror.nac.net * epel: mirror.symnds.com * extras: centos.mirror.choopa.net * remi: remi-mirror.dedipower.com * remi-test: remi-mirror.dedipower.com * rpmforge: mirror.us.leaseweb.net * updates: centos.mirror.nac.net base | 3.7 kB 00:00 base/primary_db | 4.5 MB 00:00 epel | 4.3 kB 00:00 epel/primary_db | 4.7 MB 00:00 extras | 3.0 kB 00:00 extras/primary_db | 6.3 kB 00:00 remi | 2.9 kB 00:00 remi/primary_db | 330 kB 00:00 remi-test | 2.9 kB 00:00 remi-test/primary_db | 85 kB 00:00 rpmforge | 1.9 kB 00:00 rpmforge/primary_db | 2.5 MB 00:00 updates | 3.5 kB 00:00 updates/primary_db | 2.3 MB 00:00 repo id repo name status base CentOS-6 - Base 5,980+366 epel Extra Packages for Enterprise Linux 6 - x86_64 6,493+1,272 extras CentOS-6 - Extras 4 remi Les RPM de remi pour Enterprise Linux 6 - x86_64 96+564 remi-test Les RPM de remi en test pour Enterprise Linux 6 - x86_64 25+139 rpmforge RHEL 6 - RPMforge.net - dag 2,123+2,310 updates CentOS-6 - Updates 499+29 repolist: 15,220 >root@sv1 [/etc/yum.repos.d]# yum install php-devel Loaded plugins: fastestmirror, presto Loading mirror speeds from cached hostfile * base: centos.mirror.nac.net * epel: mirror.symnds.com * extras: centos.mirror.choopa.net * remi: remi-mirror.dedipower.com * remi-test: remi-mirror.dedipower.com * rpmforge: mirror.us.leaseweb.net * updates: centos.mirror.nac.net Setting up Install Process No package php-devel available. Error: Nothing to do >root@sv1 [/etc/yum.repos.d]#

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  • How to restrict user to a particular folder in CentOS 6?

    - by Chris Demetriad
    I will need to create users so developers can log in and clone/pull/push changes/repositories from a github like platform. I've managed to add a user (using the root) to this CentOS machine; I now have this line in /etc/passwd: chris:x:32008:32010::/home/chris/public_html:/bin/bash ..and this in /etc/shadow: chris:$1$ruUeLtTu$onAY2hdu1J.UmHajEIlmR.:15385:0:99999:7::: I am able to SSH the server, I have permission to create a folder and I guess that should be enough. But I am able to see other files and folders outside public_html. How can I actually restrict the user to a particular directory so he can't "cd out" of his folder? Update: root@echo [~]# ls -ld /home/moove drwx--x--x 21 moove moove 4096 Mar 22 16:16 /home/moove/ root@echo [~]# ls -ld /home/moove/public_html drwxr-x--- 11 moove nobody 4096 Mar 27 11:29 /home/moove/public_html/ root@echo [~]# ls -ld /home/moove/public_html/dev drwxr-x--- 12 moove nobody 4096 Mar 27 14:47 /home/moove/public_html/dev/ root@echo [~]# ls -ld /home/moove/public_html/dev/arsenal drwxr-xr-x 3 arsenal moove 4096 Mar 27 14:53 /home/moove/public_html/dev/arsenal/

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  • can't install mysql-devel on centos 6.5

    - by Latheesan Kanes
    I need mysql-devel package to be installed on my CentOS 6.5 running Percona 5.5 (already installed & running). When I try to install the devel package like this: yum --enablerepo=remi install mysql-devel I get the following error: Error: Package: mysql-devel-5.5.37-1.el6.remi.i686 (remi) Requires: real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Available: mysql-libs-5.5.36-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.36-1.el6.remi Available: mysql-libs-5.5.37-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Error: Package: mysql-5.5.37-1.el6.remi.i686 (remi) Requires: real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Available: mysql-libs-5.5.36-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.36-1.el6.remi Available: mysql-libs-5.5.37-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Error: mysql conflicts with Percona-Server-client-55-5.5.37-rel35.0.el6.i686 Here's what's currently installed on my server: [root@server1 ~]# yum list installed | grep mysql php-mysqlnd.i686 5.4.29-1.el6.remi @remi [root@server1 ~]# yum list installed | grep percona Percona-Server-client-55.i686 5.5.37-rel35.0.el6 @percona Percona-Server-server-55.i686 5.5.37-rel35.0.el6 @percona Percona-Server-shared-55.i686 5.5.37-rel35.0.el6 @percona [root@server1 ~]# Any ideas how to fix this dependency error?

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  • Centos does not open port/s after the rule/s are appended

    - by Charlie Dyason
    So after some battling and struggling with the firewall, i see that I may be doing something or the firewall isnt responding correctly there is has a port filter that is blocking certain ports. by the way, I have combed the internet, posted on forums, done almost everything and now hence the website name "serverfault", is my last resort, I need help What I hoped to achieve is create a pptp server to connect to with windows/linux clients UPDATED @ bottom Okay, here is what I did: I made some changes to my iptables file, giving me endless issues and so I restored the iptables.old file contents of iptables.old: # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT after iptables.old restore(back to stock), nmap scan shows: nmap [server ip] Starting Nmap 6.00 ( nmap.org ) at 2013-11-01 13:54 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.014s latency). Not shown: 997 filtered ports PORT STATE SERVICE 22/tcp open ssh 113/tcp closed ident 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 4.95 seconds if I append rule: (to accept all tcp ports incoming to server on interface eth0) iptables -A INPUT -i eth0 -m tcp -j ACCEPT nmap output: nmap [server ip] Starting Nmap 6.00 ( nmap.org ) at 2013-11-01 13:58 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.017s 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 3.77 seconds *notice it allows and opens port 443 but no other ports, and it removes port 113...? removing previous rule and if I append rule: (allow and open port 80 incoming to server on interface eth0) iptables -A INPUT -i eth0 -m tcp -p tcp --dport 80 -j ACCEPT nmap output: nmap [server ip] Starting Nmap 6.00 ( nmap.org ) at 2013-11-01 14:01 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.014s latency). Not shown: 996 filtered ports PORT STATE SERVICE 22/tcp open ssh 80/tcp closed http 113/tcp closed ident 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 5.12 seconds *notice it removes port 443 and allows 80 but is closed without removing previous rule and if I append rule: (allow and open port 1723 incoming to server on interface eth0) iptables -A INPUT -i eth0 -m tcp -p tcp --dport 1723 -j ACCEPT nmap output: nmap [server ip] Starting Nmap 6.00 ( nmap.org ) at 2013-11-01 14:05 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.015s latency). Not shown: 996 filtered ports PORT STATE SERVICE 22/tcp open ssh 80/tcp closed http 113/tcp closed ident 8008/tcp open http Nmap done: 1 IP address (1 host up) scanned in 5.16 seconds *notice no change in ports opened or closed??? after removing rules: iptables -A INPUT -i eth0 -m tcp -p tcp --dport 80 -j ACCEPT iptables -A INPUT -i eth0 -m tcp -p tcp --dport 1723 -j ACCEPT nmap output: nmap [server ip] Starting Nmap 6.00 ( nmap.org ) at 2013-11-01 14:07 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.015s latency). Not shown: 998 filtered ports PORT STATE SERVICE 22/tcp open ssh 113/tcp closed ident Nmap done: 1 IP address (1 host up) scanned in 5.15 seconds and returning rule: (to accept all tcp ports incoming to server on interface eth0) iptables -A INPUT -i eth0 -m tcp -j ACCEPT nmap output: nmap [server ip] Starting Nmap 6.00 ( nmap.org ) at 2013-11-01 14:07 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.017s 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 3.87 seconds notice the eth0 changes the 999 filtered ports to 858 filtered ports, 139 closed ports QUESTION: why cant I allow and/or open a specific port, eg. I want to allow and open port 443, it doesnt allow it, or even 1723 for pptp, why am I not able to??? sorry for the layout, the editor was give issues (aswell... sigh) UPDATE @Madhatter comment #1 thank you madhatter in my iptables file: # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i eth0 -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT # ----------all rules mentioned in post where added here ONLY!!!---------- -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT if I want to allow and open port 1723 (or edit iptables to allow a pptp connection from remote pc), what changes would I make? (please bear with me, my first time working with servers, etc.) Update MadHatter comment #2 iptables -L -n -v --line-numbers Chain INPUT (policy ACCEPT 0 packets, 0 bytes) num pkts bytes target prot opt in out source destination 1 9 660 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 2 0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 3 0 0 ACCEPT all -- eth0 * 0.0.0.0/0 0.0.0.0/0 4 0 0 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0 5 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22 6 0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) num pkts bytes target prot opt in out source destination 1 0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited Chain OUTPUT (policy ACCEPT 6 packets, 840 bytes) num pkts bytes target prot opt in out source destination just on a personal note, madhatter, thank you for the support , I really appreciate it! UPDATE MadHatter comment #3 here are the interfaces ifconfig eth0 Link encap:Ethernet HWaddr 00:1D:D8:B7:1F:DC inet addr:[server ip] Bcast:[server ip x.x.x].255 Mask:255.255.255.0 inet6 addr: fe80::21d:d8ff:feb7:1fdc/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:36692 errors:0 dropped:0 overruns:0 frame:0 TX packets:4247 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2830372 (2.6 MiB) TX bytes:427976 (417.9 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.8.0.1 P-t-P:10.8.0.2 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) remote nmap nmap -p 1723 [server ip] Starting Nmap 6.00 ( http://nmap.org ) at 2013-11-01 16:17 SAST Nmap scan report for server.address.net ([server ip]) Host is up (0.017s latency). PORT STATE SERVICE 1723/tcp filtered pptp Nmap done: 1 IP address (1 host up) scanned in 0.51 seconds local nmap nmap -p 1723 localhost Starting Nmap 5.51 ( http://nmap.org ) at 2013-11-01 16:19 SAST Nmap scan report for localhost (127.0.0.1) Host is up (0.000058s latency). Other addresses for localhost (not scanned): 127.0.0.1 PORT STATE SERVICE 1723/tcp open pptp Nmap done: 1 IP address (1 host up) scanned in 0.11 seconds UPDATE MadHatter COMMENT POST #4 I apologize, if there might have been any confusion, i did have the rule appended: (only after 3rd post) iptables -A INPUT -p tcp --dport 1723 -j ACCEPT netstat -apn|grep -w 1723 tcp 0 0 0.0.0.0:1723 0.0.0.0:* LISTEN 1142/pptpd There are not VPN's and firewalls between the server and "me" UPDATE MadHatter comment #5 So here is an intersting turn of events: I booted into windows 7, created a vpn connection, went through the verfication username & pword - checking the sstp then checking pptp (went through that very quickly which meeans there is no problem), but on teh verfication of username and pword (before registering pc on network), it got stuck, gave this error Connection failed with error 2147943625 The remote computer refused the network connection netstat -apn | grep -w 1723 before connecting: netstat -apn |grep -w 1723 tcp 0 0 0.0.0.0:1723 0.0.0.0:* LISTEN 1137/pptpd after the error came tried again: netstat -apn |grep -w 1723 tcp 0 0 0.0.0.0:1723 0.0.0.0:* LISTEN 1137/pptpd tcp 0 0 41.185.26.238:1723 41.13.212.47:49607 TIME_WAIT - I do not know what it means but seems like there is progress..., any thoughts???

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  • Failed dependencies warning while installing pure-ftpd

    - by Anil
    I am trying to install pure-ftpd which is getting failed with the following warnings warning: pure-ftpd-1.0.36-1.el5.rf.i386.rpm: Header V3 DSA/SHA1 Signature, key ID 6b8d79e6: NOKEY error: Failed dependencies: libmysqlclient.so.15 is needed by pure-ftpd-1.0.36-1.el5.rf.i386 libmysqlclient.so.15(libmysqlclient_15) is needed by pure-ftpd-1.0.36-1.el5.rf.i386 libpq.so.4 is needed by pure-ftpd-1.0.36-1.el5.rf.i386 I used locate libmysqlclient libpq where i could find libmysqlclient.so.16 and libpq.so.5 installed in my server I am using CentOS 6 server.

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  • CentOS disable filesystem check: superblock last mount time is in the future

    - by Zac B
    I'm persistently getting the "Superblock last mount time is in the future" error when booting CentOS 6. I've seen other questions which ask how to resolve this error, but I know exactly why it's occurring: our development/testing VMs regularly have their date set to times far from the present, and have all of their filesystems remounted. What I want to know is: how do I disable all consistency checking for superblock mount time in centOS? I've tried tune2fs -i 0 <device> and setting buggy_init_scripts=1 in /etc/e2fsck.conf and neither has worked; the problem persists.

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  • Static Network configuration with bridge in CentOS 6.2

    - by Kyle
    I have a server with CentOS 6.2 installed, I want to use it as a VM host to run some windows installations for development purposes. I wanted to be able to directly RDP and serve websites from IIS on these windows server installations, so I figured I would set it up as bridged networking. I have been struggling with this all morning, usually the result being that when I brought up the bridge interface all network connectivity to the CentOS would go away, however, I think I finally have that all figured out. However, here's what happens. The eth0 and br0 interfaces are defined in /etc/sysconfig/network-scripts with ifcfg-eth0 and ifcfg-br0. I DO NOT have ifup or ifdown or any other files for these interfaces, I have not found if they are needed. I can login and use firefox to browse the web, however, running ifconfig reveals that my eth0 does not have an IPAddress, but the br0 does. I can actually RDP into the Windows installation, and browse the internet from there as well, but I cannot directly connect(via putty, vnc, nor viewing web pages) to the CentOS box. Any idea what's up? ifcfg-eth0 DEVICE=eth0 BOOTPROTO=none IPADDR=192.168.1.20 GATEWAY=192.168.1.1 NETMASK=255.255.255.0 NETWORK=192.168.1.0 ONBOOT=yes BRIDGE=br0 ifcfg-br0 DEVICE=br0 TYPE=Bridge BOOTPROTO=static DNS1=192.168.1.1 DNS2=8.8.8.8 GATEWAY=192.168.1.1 IPADDR=192.168.1.2 NETMAS=255.255.255.0 ONBOOT=yes I know some of the options are inconsistent (DNS and BOOTPROTO) because I tried changing those in the eth0 file to make it work, and the changes haven't adversly affected web browsing or the other functionality Thank you!

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  • CentOS 6.5 as WebServer for Django Dev

    - by Charlesliam
    During CentOS 6.5 Installation I choose WebServer type for this computer. The server has a static IP address 192.168.111.100. The CentOS was updated I managed to install virtualenv with Python 2.7. Within the virtualenv, I'll be using Django Framework. After I tried to run the command using root user python manage.py runserver 0.0.0.0:8000 I can't see the website from other computer within the LAN when I try to type 192.168.111.100:8000/admin on my browser. I already disable firewall using service iptables stop I can ping the 192.168.111.100 and I have a good feedback with nslookup. What seems the problem of my config?

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  • ls hangs for a certain directory

    - by Jakobud
    There is a particular directory (/var/www), that when I run ls (with or without some options), the command hangs and never completes. There is only about 10-15 files and directories in /var/www. Mostly just text files. Here is some investigative info: [me@server www]$ df . Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_dev-lv_root 50G 19G 29G 40% / [me@server www]$ df -i . Filesystem Inodes IUsed IFree IUse% Mounted on /dev/mapper/vg_dev-lv_root 3.2M 435K 2.8M 14% / find works fine. Also I can type in cd /var/www/ and press TAB before pressing enter and it will successfully tab-completion list of all files/directories in there: [me@server www]$ cd /var/www/ cgi-bin/ create_vhost.sh html/ manual/ phpMyAdmin/ scripts/ usage/ conf/ error/ icons/ mediawiki/ rackspace sqlbuddy/ vhosts/ [me@server www]$ cd /var/www/ I have had to kill my terminal sessions several times because of the ls hanging: [me@server ~]$ ps | grep ls gdm 6215 0.0 0.0 488152 2488 ? S<sl Jan18 0:00 /usr/bin/pulseaudio --start --log-target=syslog root 23269 0.0 0.0 117724 1088 ? D 18:24 0:00 ls -Fh --color=always -l root 23477 0.0 0.0 117724 1088 ? D 18:34 0:00 ls -Fh --color=always -l root 23579 0.0 0.0 115592 820 ? D 18:36 0:00 ls -Fh --color=always root 23634 0.0 0.0 115592 816 ? D 18:38 0:00 ls -Fh --color=always root 23740 0.0 0.0 117724 1088 ? D 18:40 0:00 ls -Fh --color=always -l me 23770 0.0 0.0 103156 816 pts/6 S+ 18:41 0:00 grep ls kill doesn't seem to have any affect on the processes, even as sudo. What else should I do to investigate this problem? It just randomly started happening today. UPDATE dmesg is a big list of things, mostly related to an external USB HDD that I've mounted too many times and the max mount count has been reached, but that is an un-related problem I think. Near the bottom of dmesg I'm seeing this: INFO: task ls:23579 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ls D ffff88041fc230c0 0 23579 23505 0x00000080 ffff8801688a1bb8 0000000000000086 0000000000000000 ffffffff8119d279 ffff880406d0ea20 ffff88007e2c2268 ffff880071fe80c8 00000003ae82967a ffff880407169ad8 ffff8801688a1fd8 0000000000010518 ffff880407169ad8 Call Trace: [<ffffffff8119d279>] ? __find_get_block+0xa9/0x200 [<ffffffff814c97ae>] __mutex_lock_slowpath+0x13e/0x180 [<ffffffff814c964b>] mutex_lock+0x2b/0x50 [<ffffffff8117a4d3>] do_lookup+0xd3/0x220 [<ffffffff8117b145>] __link_path_walk+0x6f5/0x1040 [<ffffffff8117a47d>] ? do_lookup+0x7d/0x220 [<ffffffff8117bd1a>] path_walk+0x6a/0xe0 [<ffffffff8117beeb>] do_path_lookup+0x5b/0xa0 [<ffffffff8117cb57>] user_path_at+0x57/0xa0 [<ffffffff81178986>] ? generic_readlink+0x76/0xc0 [<ffffffff8117cb62>] ? user_path_at+0x62/0xa0 [<ffffffff81171d3c>] vfs_fstatat+0x3c/0x80 [<ffffffff81258ae5>] ? _atomic_dec_and_lock+0x55/0x80 [<ffffffff81171eab>] vfs_stat+0x1b/0x20 [<ffffffff81171ed4>] sys_newstat+0x24/0x50 [<ffffffff810d40a2>] ? audit_syscall_entry+0x272/0x2a0 [<ffffffff81013172>] system_call_fastpath+0x16/0x1b And also, strace ls /var/www/ spits out a whole BUNCH of information. I don't know what is useful here... The last handful of lines: ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, TIOCGWINSZ, {ws_row=68, ws_col=145, ws_xpixel=0, ws_ypixel=0}) = 0 stat("/var/www/", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 open("/var/www/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 fcntl(3, F_GETFD) = 0x1 (flags FD_CLOEXEC) getdents(3, /* 16 entries */, 32768) = 488 getdents(3, /* 0 entries */, 32768) = 0 close(3) = 0 fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 9), ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3093b18000 write(1, "cgi-bin conf create_vhost.sh\te"..., 125cgi-bin conf create_vhost.sh error html icons manual mediawiki phpMyAdmin rackspace scripts sqlbuddy usage vhosts ) = 125 close(1) = 0 munmap(0x7f3093b18000, 4096) = 0 close(2) = 0 exit_group(0) = ?

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  • webserver running as nobody cannot resolve domain names

    - by jalal
    if i try to run the following: <?php echo file_get_contents("http://www.yahoo.com/index.html"); ?> through the web server I get a an "php_network_getaddresses: getaddrinfo" error. If I run the same file from the shell with: php test.php then I get the expected file output. This indicates to me that the 'nobody' user, which the webserver runs as, is not able to resolve the domain name, but the shell user can. Any ideas on how to fix this? Further info: CentOS 6, cPanel install, Apache, PHP running as dso. BTW, I've tried disabling the firewall to no effect.

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