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• Server Admin is not allowing me to configure DNS

  - by Clinton Blackmore

  We have a Mac OS X 10.5.8 Server running DNS (and a few other services). When I connect to it (using Server Admin 10.5.3 [which comes from the Server Admin 10.5.7 tools]), and click to look at the DNS settings, all appears normal -- it shows many reverse entries and two top-level domains. However, when I select one of our domains and open the disclosure triangle, the list is empty! [There should be over a dozen entries, and the reverse entries do show up.] If I then tell it I want to add, say, an A Record to the domain, almost everything disappears -- and I am left with a list showing our two domains, one with a disclosure triangle underneath it showing a single entry, and one reverse entry to correspond to the new A record. named appears to be working fine. DNS names resolve. It appears to simply be that Server Admin is having problems with the data on the computer. No one here would have manually created a DNS entry. Now, while I think I've backed up the DNS (I backed up /var/named/, /etc/named.conf, and /etc/dns/, as mentioned here), I'm really not sure if just replacing the files would restore the DNS settings we have if things go south. I am contemplating going to settings and changing the log level from "Information" to "Debug", but 1) I am just a little concerned that it might write a bad configuration to the disk, and 2) I think it would only affect named and not Server Admin, and, so far as I can tell, named is not having a problem. (Nothing looks strange in /Library/Logs/named.log when I open it via Console/Terminal. Oddly, though, when I click on the 'log' button for DNS in Server Admin, I see no text at all, just a fully white window. When I look at one of our secondary DNS servers, I am able to see the log file through Server Admin.) This entry appears in the system log when I run Server Admin on the server: Jun 17 09:02:08 od1 Server Admin[3892]: Unexpected call to doMarkConfigurationAsDirty by 'DNS' plugin during updateConfigurationViewFromDescription It seems to occur after I've looked at DNS, look at another service, and then click back on DNS. Think that the most likely cause is a corrupt configuration file, I glanced through all the files that I backed up, and none of them is obviously gobbledygook. Here are some oddities I find when running Server Admin from a remote computer to manage the DNS. When I click to see the log file for DNS, the server starts writing messages like these to its system.log: Jun 17 09:59:04 od1 kernel[0]: Limiting open port RST response from 252 to 250 packets per second Jun 17 09:59:06 od1 kernel[0]: Limiting open port RST response from 258 to 250 packets per second This stops when I click on a different service. The inderterminate progress indicator (the spinning wheel that appears beside the "Revert" and "Save" buttons in the bottom-right corner of Server Admin) looks really strange. As far as I can tell, instead of just spinning and waiting, it is being told to start spinning repeatedly, resulting in a jerky animation. Here are some of the messages being logged on the computer running Server Admin: At startup: *** ERROR: -[GRAxes computeLayout]:1124 - plotRect height = 0.000000 <= 0.0 *** *** ERROR: -[GRChartView computeLayout]:1194 - Layout for overlay axes (0x18758f50) failed. *** (These messages don't concern me too much as they go away for a while if you delete ~/Library/Preferences/com.apple.ServerAdmin.plist). At shutdown: 2010-06-17 10:02:17.202 Server Admin[7770:10b] *** -[GroupTextField windowDidResignKey:]: unrecognized selector sent to instance 0x16e12490 More concerning are these messages: 2010-06-17 09:59:47.269 Server Admin[7770:10b] Unexpected call to doMarkConfigurationAsDirty by 'DNS' plugin during updateConfigurationViewFromDescription Server Admin(7770,0xb0453000) malloc: *** error for object 0x1c115390: double free *** set a breakpoint in malloc_error_break to debug 2010-06-17 10:01:00.795 Server Admin[7770:10b] *** -[ServiceEntry sessionHost]: unrecognized selector sent to instance 0x2af500 Any thoughts on: what the problem is how I can troubleshoot it or how to fix it? If I do need to wipe out DNS and restart, is there a good way to do this?

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• simple and reliable centralized logging inside Amazon VPC

  - by Nakedible

  I need to set up centralized logging for a set of servers (10-20) in an Amazon VPC. The logging should be as to not lose any log messages in case any single server goes offline - or in the case that an entire availability zone goes offline. It should also tolerate packet loss and other normal network conditions without losing or duplicating messages. It should store the messages durably, at the minimum on two different EBS volumes in two availability zones, but S3 is a good place as well. It should also be realtime so that the messages arrive within seconds of their generation to two different availability zones. I also need to sync logfiles not generated via syslog, so a syslog-only centralized logging solution would not fulfill all the needs, although I guess that limitation could be worked around. I have already reviewed a few solutions, and I will list them here: Flume to Flume to S3: I could set up two logservers as Flume hosts which would store log messages either locally or in S3, and configure all the servers with Flume to send all messages to both servers, using the end-to-end reliability options. That way the loss of a single server shouldn't cause lost messages and all messages would arrive in two availability zones in realtime. However, there would need to be some way to join the logs of the two servers, deduplicating all the messages delivered to both. This could be done by adding a unique id on the sending side to each message and then write some manual deduplication runs on the logfiles. I haven't found an easy solution to the duplication problem. Logstash to Logstash to ElasticSearch: I could install Logstash on the servers and have them deliver to a central server via AMQP, with the durability options turned on. However, for this to work I would need to use some of the clustering capable AMQP implementations, or fan out the deliver just as in the Flume case. AMQP seems to be a yet another moving part with several implementations and no real guidance on what works best this sort of setup. And I'm not entirely convinced that I could get actual end-to-end durability from logstash to elasticsearch, assuming crashing servers in between. The fan-out solutions run in to the deduplication problem again. The best solution that would seem to handle all the cases, would be Beetle, which seems to provide high availability and deduplication via a redis store. However, I haven't seen any guidance on how to set this up with Logstash and Redis is one more moving part again for something that shouldn't be terribly difficult. Logstash to ElasticSearch: I could run Logstash on all the servers, have all the filtering and processing rules in the servers themselves and just have them log directly to a removet ElasticSearch server. I think this should bring me reliable logging and I can use the ElasticSearch clustering features to share the database transparently. However, I am not sure if the setup actually survives Logstash restarts and intermittent network problems without duplicating messages in a failover case or similar. But this approach sounds pretty promising. rsync: I could just rsync all the relevant log files to two different servers. The reliability aspect should be perfect here, as the files should be identical to the source files after a sync is done. However, doing an rsync several times per second doesn't sound fun. Also, I need the logs to be untamperable after they have been sent, so the rsyncs would need to be in append-only mode. And log rotations mess things up unless I'm careful. rsyslog with RELP: I could set up rsyslog to send messages to two remote hosts via RELP and have a local queue to store the messages. There is the deduplication problem again, and RELP itself might also duplicate some messages. However, this would only handle the things that log via syslog. None of these solutions seem terribly good, and they have many unknowns still, so I am asking for more information here from people who have set up centralized reliable logging as to what are the best tools to achieve that goal.

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• Cannot connect to MySQL Server on RHEL 5.7

  - by Jeffrey Wong

  I have a standard MySQL Server running on Red hat 5.7. I have edited /etc/my.cnf to specify the bind address as my server's public IP address. [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql # Default to using old password format for compatibility with mysql 3.x # clients (those using the mysqlclient10 compatibility package). old_passwords=1 # Disabling symbolic-links is recommended to prevent assorted security risks ; # to do so, uncomment this line: # symbolic-links=0 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid bind-address=171.67.88.25 port=3306 And I have also restarted my firewall sudo /sbin/iptables -A INPUT -i eth0 -p tcp --destination-port 3306 -j ACCEPT /sbin/service iptables save The network administrator has already opened port 3306 for this box. When connecting from a remote computer (running Ubuntu 10.10, server is running RHEL 5.7), I issue mysql -u jeffrey -p --host=171.67.88.25 --port=3306 --socket=/var/lib/mysql/mysql.sock but receive a ERROR 2003 (HY000): Can't connect to MySQL server on '171.67.88.25' (113). I've noticed that the socket file /var/lib/mysql/mysql.sock is blank. Should this be the case? UPDATE The result of netstat -an | grep 3306 tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN Result of sudo netstat -tulpen Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State User Inode PID/Program name tcp 0 0 127.0.0.1:2208 0.0.0.0:* LISTEN 0 7602 3168/hpiod tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 27 7827 3298/mysqld tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 0 5110 2802/portmap tcp 0 0 0.0.0.0:8787 0.0.0.0:* LISTEN 0 8431 3326/rserver tcp 0 0 0.0.0.0:915 0.0.0.0:* LISTEN 0 5312 2853/rpc.statd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 0 7655 3188/sshd tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 0 7688 3199/cupsd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 0 8025 3362/sendmail: acce tcp 0 0 127.0.0.1:2207 0.0.0.0:* LISTEN 0 7620 3173/python udp 0 0 0.0.0.0:909 0.0.0.0:* 0 5300 2853/rpc.statd udp 0 0 0.0.0.0:912 0.0.0.0:* 0 5309 2853/rpc.statd udp 0 0 0.0.0.0:68 0.0.0.0:* 0 4800 2598/dhclient udp 0 0 0.0.0.0:36177 0.0.0.0:* 70 8314 3476/avahi-daemon: udp 0 0 0.0.0.0:5353 0.0.0.0:* 70 8313 3476/avahi-daemon: udp 0 0 0.0.0.0:111 0.0.0.0:* 0 5109 2802/portmap udp 0 0 0.0.0.0:631 0.0.0.0:* 0 7691 3199/cupsd Result of sudo /sbin/iptables -L -v -n Chain INPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination 6373 2110K RH-Firewall-1-INPUT all -- * * 0.0.0.0/0 0.0.0.0/0 Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination 0 0 RH-Firewall-1-INPUT all -- * * 0.0.0.0/0 0.0.0.0/0 Chain OUTPUT (policy ACCEPT 1241 packets, 932K bytes) pkts bytes target prot opt in out source destination Chain RH-Firewall-1-INPUT (2 references) pkts bytes target prot opt in out source destination 572 861K ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0 1 28 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmp type 255 0 0 ACCEPT esp -- * * 0.0.0.0/0 0.0.0.0/0 0 0 ACCEPT ah -- * * 0.0.0.0/0 0.0.0.0/0 46 6457 ACCEPT udp -- * * 0.0.0.0/0 224.0.0.251 udp dpt:5353 0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:631 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:631 782 157K ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED 2 120 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:443 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:23 0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:80 4970 1086K REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited Result of nmap -P0 -p3306 171.67.88.25 Host is up (0.027s latency). PORT STATE SERVICE 3306/tcp filtered mysql Nmap done: 1 IP address (1 host up) scanned in 0.09 seconds Solution When everything else fails, go GUI! system-config-securitylevel and add port 3306. All done!

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• Puppet gives SSL error because master is not running?

  - by Daniel Huger

  I started with two clean machines this time. My master is running 12.04 Version: 2.7.11-1ubuntu2 Depends: ruby1.8, puppetmaster-common (= 2.7.11-1ubuntu2) My client is 10.04 Version: 2.6.3-0ubuntu1~lucid1 Depends: puppet-common (= 2.6.3-0ubuntu1~lucid1), ruby1.8 To setup Puppet tutorial: http://shapeshed.com/setting-up-puppet-on-ubuntu-10-04/ To connect master and client: http://shapeshed.com/connecting-clients-to-a-puppet-master/ The first time I tried to connect master to client failed with SSL_connect error. So I did rm -rf /etc/puppet/ssl/ to remove all the keys inside ssl folders. It looked like it work.... BUT client# puppet agent --server puppet --waitforce 60 --test /usr/lib/ruby/1.8/facter/util/resolution.rb:46: warning: Insecure world writable dir /etc/condor in PATH, mode 040777 /usr/lib/ruby/1.8/puppet/defaults.rb:67: warning: Insecure world writable dir /etc/condor in PATH, mode 040777 info: Creating a new SSL key for giab10 warning: peer certificate won't be verified in this SSL session info: Caching certificate for ca warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session info: Creating a new SSL certificate request for mybox123 info: Certificate Request fingerprint (md5): XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session info: Caching certificate for mybox123 err: Could not retrieve catalog from remote server: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed warning: Not using cache on failed catalog It cached but then it couldn't retrieve it. Let me stop here.... worrying I would mess something up. But let's check master's status. * master is not running WoW.... ??? master# service puppetmaster start * Starting puppet master [OK] master# service puppetmaster status * master is not running I think time is sync. Well, we are behind a firewall so the port to sync time is disbaled. I checked with date and they seem okay. What about master not running? Is that the cause? Any help is appreciated. Thanks! /var/lib/puppet/log/masterhttp.log [2012-06-30 00:13:25] INFO WEBrick 1.3.1 [2012-06-30 00:13:25] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 00:13:25] WARN TCPServer Error: Address already in use - bind(2) [2012-06-30 00:19:40] INFO WEBrick 1.3.1 [2012-06-30 00:19:40] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 00:19:40] WARN TCPServer Error: Address already in use - bind(2) [2012-06-30 00:28:58] INFO WEBrick 1.3.1 [2012-06-30 00:28:58] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 00:28:58] WARN TCPServer Error: Address already in use - bind(2) [2012-06-30 15:31:25] INFO WEBrick 1.3.1 [2012-06-30 15:31:25] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 15:31:25] WARN TCPServer Error: Address already in use - bind(2) 1 S puppet 5186 1 0 80 0 - 29410 poll_s 15:44 ? 00:00:00 /usr/bin/ruby1.8 /usr/bin/puppet master --masterport=8140 4 S root 5235 5005 0 80 0 - 2344 pipe_w 15:45 pts/0 00:00:00 grep --color=auto puppet kill -9 5186 puppet master service puppetmaster status * master is not running I always have this error, but I always ignored it. http://pastebin.com/exbpArjv What could it mean? Time sync? Package not installed? Then how could we do puppetca in the first place?

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• Why is Automator crashing on launch?

  - by zbrimhall

  I've run into an odd problem where Automtor.app on Snow Leopard crashes on launch. At some point in the past, I put a copy of iPhoto.app into my public directory to copy over to another machine. Now, Automator.app won't run unless my public directory has a copy of iPhoto.app in it. If I remove it, Automator.app crashes on launch. Here's what happens: Launch Automator.app After the Automator menu bar appears, but before any windows appear, I get the dreaded beach ball for a few seconds Automator crashes Here's the output from Console.app: 12/26/09 2:11:24 PM Automator[11736] The action “Add Movie to iDVD Menu” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Get iDVD Slideshow Images” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Initiate Remote Broadcast” could not be loaded because the application “QuickTime Broadcaster” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “New iDVD Menu” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “New iDVD Movie Sequence” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “New iDVD Slideshow” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “New QuickTime Slideshow” could not be loaded because the application “QuickTime Player” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Set iDVD Background Image” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Set iDVD Button Face” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Set Movie Annotations” could not be loaded because the application “QuickTime Player” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Set Movie Playback Properties” could not be loaded because the application “QuickTime Player” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Set Movie URL” could not be loaded because the application “QuickTime Player” was not found. 12/26/09 2:11:24 PM Automator[11736] The action “Show Main iDVD Menu” could not be loaded because the application “iDVD” was not found. 12/26/09 2:11:25 PM Automator[11736] Can not ID UTI for path The value %@ is invalid.: The file “The value %@ is invalid.” couldn’t be opened because there is no such file. 12/26/09 2:11:25 PM Automator[11736] Can not ID UTI for path /Users/brimhall/Public/iPhoto.app: The file “iPhoto.app” couldn’t be opened because there is no such file. 12/26/09 2:11:25 PM Automator[11736] Can not ID UTI for path The value %@ is invalid.: The file “The value %@ is invalid.” couldn’t be opened because there is no such file. 12/26/09 2:11:26 PM Automator[11736] -[NSAttributeDictionary length]: unrecognized selector sent to instance 0x49c770 12/26/09 2:11:26 PM Automator[11736] -[NSAttributeDictionary length]: unrecognized selector sent to instance 0x49c770 12/26/09 2:11:38 PM com.apple.launchd.peruser.501[203] ([0x0-0x2ad2ad].com.apple.Automator[11736]) Job appears to have crashed: Segmentation fault I've tried deleting my Automator.app Preferences file and Application Support directory to get it to look for iPhoto.app in the system-wide Applications directory, but to no avail. Any suggestions on how I can get things working as normal?

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• postfix: Temporary lookup failure for FQDN

  - by Thufir

  I'm using the FQDN of dur.bounceme.net which I want to resolve(?) to localhost. That is, I want mail to [email protected] to get delivered to user@localhost. I've tried following the Ubuntu guide on this and seem to be going in circles a bit. root@dur:~# root@dur:~# postfix stop postfix/postfix-script: stopping the Postfix mail system root@dur:~# postfix start postfix/postfix-script: starting the Postfix mail system root@dur:~# telnet dur.bounceme.net 25 Trying 127.0.1.1... telnet: Unable to connect to remote host: Connection refused root@dur:~# root@dur:~# telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 dur.bounceme.net ESMTP Postfix (Ubuntu) ehlo dur 250-dur.bounceme.net 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN mail from:[email protected] 250 2.1.0 Ok rcpt to:[email protected] 451 4.3.0 <[email protected]>: Temporary lookup failure rcpt to:thufir@localhost 451 4.3.0 <thufir@localhost>: Temporary lookup failure quit 221 2.0.0 Bye Connection closed by foreign host. root@dur:~# root@dur:~# grep telnet /var/log/mail.log Aug 28 00:24:45 dur postfix/smtpd[18256]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <thufir@localhost>: Temporary lookup failure; from=<[email protected]> to=<thufir@localhost> proto=ESMTP helo=<dur> Aug 28 00:24:58 dur postfix/smtpd[18256]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <[email protected]>: Temporary lookup failure; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dur> Aug 28 00:54:55 dur postfix/smtpd[18825]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <[email protected]>: Temporary lookup failure; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dur> Aug 28 00:55:08 dur postfix/smtpd[18825]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 451 4.3.0 <thufir@localhost>: Temporary lookup failure; from=<[email protected]> to=<thufir@localhost> proto=ESMTP helo=<dur> root@dur:~# root@dur:~# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = smtp home_mailbox = Maildir/ inet_interfaces = loopback-only mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 0 mailman_destination_recipient_limit = 1 mydestination = dur, dur.bounceme.net, localhost.bounceme.net, localhost myhostname = dur.bounceme.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 readme_directory = no recipient_delimiter = + relay_domains = lists.dur.bounceme.net relay_transport = relay relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport root@dur:~#

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• Mac Terminal.app: Force '^C' to be printed when editing current prompt, then aborting it

  - by Stefan Lasiewski

  This is the opposite of Prevent “^C” from being printed when aborting editing current prompt. I'm using Bash. When I'm editing the commandline in Bash, and I hit Control-C to abort the commandline, the '^C' character does not display. I would like to see this character. I tried commands like stty -ctlecho and stty ctlecho (which I borrowed from the other question), but this didn't work for me. This behavior seems to be true with my environment on Ubuntu, CentOS and MacOSX. This only happens within Apple's Terminal.App. If I SSH to a remote Linux or FreeBSD box, then ^C is printed. So, this is clearly just a local setting. Update: Here is the output of stty -a, as requested by @quack quixote : $ stty -a speed 9600 baud; 41 rows; 88 columns; lflags: icanon isig iexten echo echoe -echok echoke -echonl echoctl -echoprt -altwerase -noflsh -tostop -flusho pendin -nokerninfo -extproc iflags: -istrip icrnl -inlcr -igncr ixon -ixoff ixany imaxbel iutf8 -ignbrk brkint -inpck -ignpar -parmrk oflags: opost onlcr -oxtabs -onocr -onlret cflags: cread cs8 -parenb -parodd hupcl -clocal -cstopb -crtscts -dsrflow -dtrflow -mdmbuf cchars: discard = ^O; dsusp = ^Y; eof = ^D; eol = <undef>; eol2 = <undef>; erase = ^?; intr = ^C; kill = ^U; lnext = ^V; min = 1; quit = ^\; reprint = ^R; start = ^Q; status = ^T; stop = ^S; susp = ^Z; time = 0; werase = ^W; After typing stty sane, stty -a will output the following. The only difference is the parameter of -iutf8. $ stty sane $ stty -a speed 9600 baud; 41 rows; 157 columns; lflags: icanon isig iexten echo echoe -echok echoke -echonl echoctl -echoprt -altwerase -noflsh -tostop -flusho pendin -nokerninfo -extproc iflags: -istrip icrnl -inlcr -igncr ixon -ixoff ixany imaxbel -iutf8 -ignbrk brkint -inpck -ignpar -parmrk oflags: opost onlcr -oxtabs -onocr -onlret cflags: cread cs8 -parenb -parodd hupcl -clocal -cstopb -crtscts -dsrflow -dtrflow -mdmbuf cchars: discard = ^O; dsusp = ^Y; eof = ^D; eol = <undef>; eol2 = <undef>; erase = ^?; intr = ^C; kill = ^U; lnext = ^V; min = 1; quit = ^\; reprint = ^R; start = ^Q; status = ^T; stop = ^S; susp = ^Z; time = 0; werase = ^W;

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• IP Micro-outages, telephone micro-outages, and CATV micro-outages

  - by Michael Graff

  This is a long and complicated question, mostly because it has been going on for 2.5 years without a solution in sight. It also is only one-third computer related, the other two-thirds are cable TV and cable-phone related. Background I have COX Communications for a cable provider, and we get Internet, digital cable TV, and digital phone service through them. The Internet is a SB5101 right now, and has been a DPC2100 and SB5120 in the past. Same results. The phone service is provided through a telephone interface mounted on the outside of the house (not classic VoIP) and the CATV is through a Scientific Atlanta receiver without DVR. I do have a TiVo connected to the CATV box. Symptoms The CATV shows "blocking" -- sometimes very very short duration where a few blocks appear on the screen. Sometimes it lasts long enough that the video "pauses" for 2-5 seconds, and rarely but not unseen the audio also fails. The CATV decoder box shows no correctable (FEC) or uncorrectable errors. That is, all BER counters are zero for the video stream. The Internet shows "micro-outages" where it appears that sent packets are not making it out, but I continue to receive packets from local modems. That is, pings stop coming back, but I continue to see modems broadcast for DHCP, and sometimes they ask more than once. The cable modem shows no errors during this time, but cable modems lie like you would not believe. It is actually possible to unplug the coax from the modem for 20 seconds and it reports NO ERRORS to the provider's tools. The phone service cuts out for 1-3 seconds, infrequently. When this happens, I hear NOTHING (not even comfort noise) and the remote side hears a "click" as if I were getting a call waiting message. However, there is no call incoming, other than the one I'm currently on of course. Things SEEM to happen more frequently when the temperature outside swings from cold to warm, so fall/spring seems worse than summer/winter. All micro-outages occur between once or twice a day (which I could ignore) to 10 times per hour. All SNR, signal levels, noise levels, etc. show very close to optimal when measured. COX's diagnosis This is a continual pain for me. Over the last 2.5 years, they have opened, "fixed" something, and closed the tickets. They close it without confirming that it is indeed better, and when I reopen they cannot do that, but instead they open a new ticket and send yet another low-level tech out to do the same signal tests and report that all is OK. I've finally gotten a line tech who has a clue and is motivated enough to pursue this with me. We have tried things like switching the local nodes over to UPS and generator power, but this does not trigger the noise. We have tried replacing all cabling, the tap outside my house, the modem, the CATV decoder -- all without resolution. Recently they have decided it is both my computer or switch, my TiVo, and my phone that are all broken and causing this issue. My debugging steps I spent the worse day of my TV-watching life yesterday and part of today. I watched live TV without the TiVo. I witnessed blocking, but it did "feel different." and was actually more severe. Some days it is better, some days it is worse, so perhaps this was just a very bad day. Today, I connected the TiVo to my DVD player, and ran two very long movies through it. I saw no blocking at all during nearly 6 hours of video. Suggestions? Does anyone have any suggestions on what to do next? I understand perhaps only the IP side can be addressed here, but it is one of the more limiting debugging options.

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• Issues configuring Exchange 2010 as well as SSL problems.

  - by Eric Smith

  Possibly-Relevant Background Info: I've recently moved up from icky shared hosting to a glorious, Remote Desktop-administrated VPS server running Windows Server 2008 R2. Even though I'm only 21 now and a computer science major, I've tried to play with every Windows Server release since '03, just to learn new things. What usually happens is inevitably I'll do something wrong and pretty much ruin the install. You're dealing with an amateur here :) Through the past few months of working with my new server, I've mastered DNS, IIS, got Team Foundation Server running (yay!), and can install all of the other basics like SQL Server and Active Directory. The Problem: Now, these last few weeks I've been trying to install Exchange Server 2010 (SP1). To make a long story short, it took me several attempts, and I even had to get my server wiped just so I could start fresh since Exchange decided uninstalling properly was for sissies (cost me $20, bah). Today, at long last, I got Exchange mostly working. There were two main problems left, however, that left me unsatisfied: Exchange installed itself and all of its child sites into Default Web Site. I wanted to access Exchange via mail.domain.com, but instead everything was configured to domain.com. My limited server admin knowledge was not enough to configure IIS or Exchange to move itself over to the website I had set up for it, appropriately titled 'mail.domain.com', which I had bound to a dedicated IP address (I was told this was necessary, but he may have been wrong). I have two SSL certificates: one for my main domain and one for my mail subdomain. For whatever reason, I had issues geting Exchange to use my mail certificate, even though I had assigned the proper roles in the MMC. I did, at one point, get it to work (or mostly work, anyways. Frankly, my memory of today is clouded by intense frustration). Additionally, I was confused which type of SSL certificate I should be using for Exchange. My SSL provider, GoDaddy, allows me to request a new certificate whenever, so I can use either the certificate request provided by IIS or the more complicated and specific request you can create with Exchange. Which type should I be using, the IIS or Exchange certificate? If I must use the Exchange certificate, will that 1) cause issues when I bind that certificate to my mail.domain.com subdomain or 2) is that an unnecessary step? The SSL Certificate Strikes Back When I thought I had the proper SSL certificate assigned for those brief, sweet moments, Google Chrome reported the correct mail.domain.com certificate when browsing https://mail.domain.com. However, Outlook 2010 threw up an error when trying to configure my email account claiming that the certificate didn't match the domain of "mail.domain.com". Is this an issue that will be resolved by problem #2 or is it a separate one entirely? Apologies for the massive wall of text, but I wanted to provide as much info as I possibly could. Exchange is the last thing I'd like installed on my server, and naturally it's turning out to be the hardest. Thanks for any info at all. Even a point in a vague direction would be a huge help at this point. Thanks! -Eric P.S.: The reason I keep ruining my install is that when I attempt to uninstall Exchange, something invariably goes wrong. The last time the uninstaller complained that there was still a mailbox active and it couldn't proceed until I deleted it. ... The only mailbox left was the Administrator account, the built-in one I couldn't delete. So I attempted to manually uninstall it following several guides online only to now be stuck unable to launch the installer and have to get my system wiped AGAIN for the second time today ($40 down the drain, bah!). I do not understand at all why "uninstall" just can't mean "hey, you, delete everything and go away". There's not even a force uninstall option, only a "recover system" option that just fails to fix anything and makes it so I can't even use the GUI uninstaller. </rant>

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• iPhone doesn't save password for Cisco IPsec VPN using racoon daemon

  - by dsx

  On my Debian server I had set up racoon daemon (1:0.8.0-14) for Cisco IPSec VPN using certificates for authentication. My racoon.conf is like following: log info; path certificate "/etc/racoon/certs"; listen { isakmp $SERVER_IP_HERE [500]; isakmp_natt $SERVER_IP_HERE [4500]; } timer { natt_keepalive 10 sec; } remote anonymous { lifetime time 24 hours; proposal_check obey; passive on; exchange_mode aggressive,main; my_identifier asn1dn; peers_identifier asn1dn; verify_identifier on; certificate_type x509 "cert_name.crt" "key_name.key"; ca_type x509 "ca.crt"; mode_cfg on; verify_cert on; ike_frag on; generate_policy on; nat_traversal on; dpd_delay 20; proposal { encryption_algorithm aes; hash_algorithm sha1; authentication_method xauth_rsa_server; dh_group modp1024; } } mode_cfg { conf_source local; auth_source system; auth_throttle 3; save_passwd on; dns4 8.8.8.8; network4 $SOME_LAN_SUBNET; netmask4 255.255.255.0; pool_size 128; } sainfo anonymous { pfs_group 2; lifetime time 24 hour; encryption_algorithm aes; authentication_algorithm hmac_sha1; compression_algorithm deflate; } I'm not using PSK authentication here. Using iPhone configuration utility I had uploaded all required certificates to iPhone and set up VPN on demand. Everything works just fine except one thing: iPhone refuses to save VPN password regardless of save_passwd on; in racoon configuration file. As opposed to iPhone behaviour, Mac OS X 10.8.2 have no problems saving password. I had examined iPhone log file and found following: racoon[151] <Notice>: >>>>> phase change status = phase 1 established configd[50] <Notice>: IPSec Network Configuration started. configd[50] <Notice>: IPSec Network Configuration: INTERNAL-IP4-ADDRESS = $SUBNET_IP_HERE. configd[50] <Notice>: IPSec Network Configuration: INTERNAL-IP4-MASK = 255.255.255.0. configd[50] <Notice>: IPSec Network Configuration: SAVE-PASSWORD = 0. configd[50] <Notice>: IPSec Network Configuration: INTERNAL-IP4-DNS = 8.8.8.8. configd[50] <Notice>: IPSec Network Configuration: BANNER = . configd[50] <Notice>: IPSec Network Configuration: DEF-DOMAIN = . configd[50] <Notice>: IPSec Network Configuration: DEFAULT-ROUTE = local-address $SUBNET_IP_HERE/32. configd[50] <Notice>: IPSec Phase2 starting. configd[50] <Notice>: IPSec Network Configuration established. configd[50] <Notice>: IPSec Phase1 established. Please note IPSec Network Configuration message containing SAVE-PASSWORD = 0.. Is it a bug in racoon daemon on server, or iPhone (iOS version is 6.0.1 (10A523)) or it is me missing something? How to make iPhone remember IPSec VPN password?

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• vconfig created virtual interface and trunking - is the the interface untagged or tagged for that VLAN ID?

  - by kce

  I am trying to setup an additional VLAN on our Debian-based router/firewall (which exists as a virtual machine on Hyper-V), our core switch (an HP Procurve 5406) and a remote HP ProCurve 2610 that is connected via a WAN Transparent Lan Service (TLS) link. Let's work backwards from the network edge: The Debian server has an external connection attached to eth0. The internal interface is eth1, which is connected directly from our Hyper-V host to the 5406. The port that eth1 is attached to is setup as Trk12. The 2610 is attached to Trk9 (which trunks a whole slew of VLANs - Trk9 is our TLS head). I can successfully ping the management IP addresses for my VLAN from both switches but I cannot ping, from either switch, the virtual interface for my new VLAN on the Debian-base router and firewall. The existing VLAN works fine. What gives? The port eth1 is attached to is a trunk, the existing VLAN (ID 98) is untagged on the trunk, the new VLAN (ID 198) is tagged. VLAN 198 is tagged on Trk9 on the 5406 and on the 2610. I can ping the other switch's management IP (10.100.198.2 and 10.100.198.3) from the other respective switch. That leg of the VLAN works - however I cannot communicate with eth1.198's 10.100.198.1. I feel like I'm missing something elementary but what it is remains illusive to me. I suspect the issue is with the vconfig created eth1.198. It should pass the tagged VLAN 198 packets correct? But they cannot seem to get any further than the 5406. Communication on the existing VLAN 98 works fine. From the Debian box: eth1: eth1 Link encap:Ethernet HWaddr 00:15:5d:34:5e:03 inet addr:10.100.0.1 Bcast:10.100.255.255 Mask:255.255.0.0 inet6 addr: fe80::215:5dff:fe34:5e03/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:12179786 errors:0 dropped:0 overruns:0 frame:0 TX packets:20210532 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1586498028 (1.4 GiB) TX bytes:26154226278 (24.3 GiB) Interrupt:9 Base address:0xec00 eth1.198: eth1.198 Link encap:Ethernet HWaddr 00:15:5d:34:5e:03 inet addr:10.100.198.1 Bcast:10.100.198.255 Mask:255.255.255.0 inet6 addr: fe80::215:5dff:fe34:5e03/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1496 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:72 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:3528 (3.4 KiB) # cat /proc/net/vlan/eth1.198: eth1.198 VID: 198 REORDER_HDR: 0 dev->priv_flags: 1 total frames received 0 total bytes received 0 Broadcast/Multicast Rcvd 0 total frames transmitted 72 total bytes transmitted 3528 total headroom inc 0 total encap on xmit 39 Device: eth1 INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0 EGRESS priority mappings: # ip route 10.100.198.0/24 dev eth1.198 proto kernel scope link src 10.100.198.1 206.174.64.0/20 dev eth0 proto kernel scope link src 206.174.66.14 10.100.0.0/16 dev eth1 proto kernel scope link src 10.100.0.1 default via 206.174.64.1 dev eth0 # iptables -L -v Chain INPUT (policy DROP 6875 packets, 637K bytes) pkts bytes target prot opt in out source destination 41 4320 ACCEPT all -- lo any anywhere anywhere 11481 1560K ACCEPT all -- any any anywhere anywhere state RELATED,ESTABLISHED 107 8058 ACCEPT icmp -- any any anywhere anywhere 0 0 ACCEPT tcp -- eth1 any 10.100.0.0/24 anywhere tcp dpt:ssh 701 317K ACCEPT udp -- eth1 any anywhere anywhere udp dpts:bootps:bootpc Chain FORWARD (policy DROP 1 packets, 40 bytes) pkts bytes target prot opt in out source destination 156K 25M ACCEPT all -- eth1 any anywhere anywhere 215K 248M ACCEPT all -- eth0 eth1 anywhere anywhere state RELATED,ESTABLISHED 0 0 ACCEPT all -- eth1.198 any anywhere anywhere 0 0 ACCEPT all -- eth0 eth1.198 anywhere anywhere state RELATED,ESTABLISHED Chain OUTPUT (policy ACCEPT 13048 packets, 1640K bytes) pkts bytes target prot opt in out source destination From the 5406: # show vlan ports trk12 detail Status and Counters - VLAN Information - for ports Trk12 VLAN ID Name | Status Voice Jumbo Mode ------- -------------------- + ---------- ----- ----- -------- 98 WIFI | Port-based No No Untagged 198 VLAN198 | Port-based No No Tagged

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• md/raid:md2: cannot start dirty degraded array, kernel panic

  - by nl-x

  After having made use of a remote power switch, my server did not come back online. When I went to the datacenter and reboot the computer on the spot I see the server booting (I see the centos progress bar with running almost all the way to the end) and eventually giving the following messages: md/raid:md2: cannot start dirty degraded array. md/raid:md2: failed to run raid set. md: pers->run() failed ... md/raid:md2: cannot start dirty degraded array. md/raid:md2: failed to run raid set. md: pers->run() failed ... Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init not tainted 2.6.32-279.1.1.el6.i686 #1 Call Trace: [<c083bfbc>] ? panic+0x68/0x11c [<c045a501>] ? do_exit+0x741/0x750 [<c045a54c>] ? do_group_exit+0x3c/0xa0 [<c045a5c1>] ? sys_exit_group+0x11/0x20 [<c083eba4>] ? syscall_call+0x7/0xb [<c083007b>] ? cmos_wake_setup+0x62/0x112 The server runs CentOS and has software raid, and I don't have backups of the raid settings. The only backup I have is of /home and the database dumps. (Glad to at least have those though.) Since the server is an old Dell PowerEdge 1750 with no CD-ROM drive, I have no way of booting the machine from a boot disk. I also remember in the past that the server also wouldn't boot from a bootable USB disk. So the only way I know how to boot the server is to go to the datacenter, pick up the server and take it to the office. Screw open the server. Attach a cdrom drive to an IDE slot on the motherboard. And then boot it. I am hoping you guys could help me avoid this. I have looked a bit through the boot options and I found the following boot options. When CentOS is about to boot and interrupt the boot-countdown: CentOS (2.6.32-279.1.1.el63.i686) CentOS Linux (2.6.32-71.29.1.el6.i686) centos (2.6.32-71.el6.i686) I think the first configuration is the default one, because choosing that gets me to the above mentioned kernel panic. The other ones end with something like "Sleeping forever". I can press 'e' to edit boot commands, press 'a' to modify kernel arguments and press 'c' for grub command line. The command line gives a grub prompt. But I have no idea how to get the system to boot without (trying to) access the dirty partitions. What I want to do is off course: - boot the machine - check hard drive for errors - mark the drive as clean

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• Transparent proxy which preserves client mac address

  - by A G

  I have a customer that wants to intercept SSL traffic as it leaves their network. My proposed solution is to setup a proxy that is transparent and both layer 2 and layer 3 so it can simply be dropped into their network without any change in config required. The proxy has two NICs, one connected to the server, the other to the client. The client, proxy and gateway are under control of the customer, the server is not. For example: client --- Proxy --- gateway -|- server I have my proxy program configured with IP_TRANSPARENT socket option to it can respond to connections destined for a remote IP. I am using the following setup: iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY --on-port 3128 --tproxy-mark 1/1 iptables -t mangle -A PREROUTING -p tcp -j MARK --set-mark 1 ip rule add fwmark 1/1 table 1 ip route add local 0.0.0.0/0 dev lo table 1 The client in question is on its own subnet and has been configured so that the proxy is the default gateway. The result is: Client sends a frame to the proxy; source IP is client, source mac is client, destination IP is server, destination mac is proxy Proxy forwards this frame to the gateway; source IP is proxy, source mac is proxy, destination IP is server, destination mac is gateway Gateway forwards this to the server and gets a response back. Gateway sends reply back to proxy; source IP is server, source mac is gateway, destination IP is proxy, destination mac is proxy Proxy forwards this reply to client; source IP is server, source mac is proxy, destination IP is client, destination mac is client. The tproxy and iptables configuration lets the proxy send packets with a non local ip address. Is there a way to make something transparent at the mac address level? That is, put the client on the same subnet as the gateway. The gateway sees the source IP and mac as that of the client, even though they originated from the proxy. Could this be done by configuring the proxy as a bridge then use ebtables to escalate the traffic to be handled by iptables? When I use ebtables to push something up to iptables, it appears my proxy program doesn't respond to the packets as they are destined for the gateways's mac address, not the proxy's. What are some other potential avenues I could investigate? EDIT: When the client and gateway are on different subnets (and client has set the proxy as the gateway), it works as described in 1 to 5. But I want to know if it is possible to have the client and gateway on the same subnet and have the proxy fully transparent (ie client is not aware of the proxy). Thanks! EDIT 2: I can configure the proxy as a bridge using brctl, but cannot find a way to direct this traffic to my proxy program - asked here Possible for linux bridge to intercept traffic?. Currently, with the description numbered 1 to 5, it operates at layer 3; it is transparent on the client side (client thinks it is talking to the server's IP), but not on the gateway side (gateway is talking to the proxy's IP). What I want to find out is, is it possible to make this operate at layer 2, so it is fully transparent? What are the available options I should research? Thanks

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• Rsyslog is not working properly, it does not log anything

  - by Victor Henriquez

  I'm running a Debian server and a couple of days ago my rsyslog started to behave very weird, the daemon is running but it doesn't seem to do anything. Many people use the system but I'm the only one with (legal) root access. I'm using the default rsyslogd configuration (if you think is relevant I'll attach it, but it's the one that comes with the package). After I rotated all the log files, they have remained empty: # ls -l /var/log/*.log -rw-r--r-- 1 root root 0 Jun 27 00:25 /var/log/alternatives.log -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/auth.log -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/daemon.log -rw-r--r-- 1 root root 0 Jun 27 00:25 /var/log/dpkg.log -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/kern.log -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/lpr.log -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/mail.log -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/user.log Any try to force a log writing does not have any effect: # logger hey # ls -l /var/log/messages -rw-r----- 1 root adm 0 Jun 26 13:03 /var/log/messages Lsof shows that rsyslogd does not have any log files opened: # lsof -p 1855 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME rsyslogd 1855 root cwd DIR 202,0 4096 2 / rsyslogd 1855 root rtd DIR 202,0 4096 2 / rsyslogd 1855 root txt REG 202,0 342076 21649 /usr/sbin/rsyslogd rsyslogd 1855 root mem REG 202,0 38556 32153 /lib/i386-linux-gnu/i686/cmov/libnss_nis-2.13.so rsyslogd 1855 root mem REG 202,0 79728 32165 /lib/i386-linux-gnu/i686/cmov/libnsl-2.13.so rsyslogd 1855 root mem REG 202,0 26456 32163 /lib/i386-linux-gnu/i686/cmov/libnss_compat-2.13.so rsyslogd 1855 root mem REG 202,0 297500 1061058 /usr/lib/rsyslog/imuxsock.so rsyslogd 1855 root mem REG 202,0 42628 32170 /lib/i386-linux-gnu/i686/cmov/libnss_files-2.13.so rsyslogd 1855 root mem REG 202,0 22784 1061106 /usr/lib/rsyslog/imklog.so rsyslogd 1855 root mem REG 202,0 1401000 32169 /lib/i386-linux-gnu/i686/cmov/libc-2.13.so rsyslogd 1855 root mem REG 202,0 30684 32175 /lib/i386-linux-gnu/i686/cmov/librt-2.13.so rsyslogd 1855 root mem REG 202,0 9844 32157 /lib/i386-linux-gnu/i686/cmov/libdl-2.13.so rsyslogd 1855 root mem REG 202,0 117009 32154 /lib/i386-linux-gnu/i686/cmov/libpthread-2.13.so rsyslogd 1855 root mem REG 202,0 79980 17746 /usr/lib/libz.so.1.2.3.4 rsyslogd 1855 root mem REG 202,0 18836 1061094 /usr/lib/rsyslog/lmnet.so rsyslogd 1855 root mem REG 202,0 117960 31845 /lib/i386-linux-gnu/ld-2.13.so rsyslogd 1855 root 0u unix 0xebe8e800 0t0 640 /dev/log rsyslogd 1855 root 3u FIFO 0,5 0t0 2474 /dev/xconsole rsyslogd 1855 root 4u unix 0xebe8e400 0t0 645 /var/spool/postfix/dev/log rsyslogd 1855 root 5r REG 0,3 0 4026532176 /proc/kmsg I was so frustrated that even reinstall the rsyslog package, but it still refuses to log anything: # apt-get remove --purge rsyslog # apt-get install rsyslog I thought someone had hacked the system, so run rkhunter, chkrootkit, unhide in an attempt to find hide processes / ports and nmap in a remote host to compare with the ports shown by netstat. And I know this doesn't mean anything, but all looks ok. The system also have an iptables firewall that is very restrictive with incoming / outgoing connections. This is driving me crazy, any idea what is going on here? [EDIT - disk space info] # df -h Filesystem Size Used Avail Use% Mounted on rootfs 24G 22G 629M 98% / /dev/root 24G 22G 629M 98% / devtmpfs 10M 112K 9.9M 2% /dev tmpfs 76M 48K 76M 1% /run tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 151M 40K 151M 1% /tmp tmpfs 151M 0 151M 0% /run/shm

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• Dynamic DNS registration for VPN clients

  - by Eric Falsken

  I've got a VPN server set up in my Active Directory on a remote network. (VPN Server is separate box from DNS/AD) When I dial into the network (client machine is not a member of the AD) the machine does not register its IP or Hostname in the DNS. I've played with all possible combinations of DHCP and RRAS-allocated IP pools, and none of them seem to cause my client to register. Is it because my client has to be a member of the domain? Are there some security settins I can tweak so that it can register its hostname/ip? I've looked in the event logs (System and Security) for the AD, DNS, DHCP, RRAS, and the client machine, and don't see anything relating to DNS Registration. Here's the IPConfig on the client machine (once connected): PPP adapter My VPN Name: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . . . . . : My VPN Name Physical Address. . . . . . . . . : DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.1.22(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : DNS Servers . . . . . . . . . . . : 192.168.1.52 <- DC1 192.168.1.53 <- DC2 NetBIOS over Tcpip. . . . . . . . : Enabled

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• NGINX - CORS error affecting only Firefox

  - by wiherek

  this is an issue with Nginx that affects only firefox. I have this config: http://pastebin.com/q6Yeqxv9 upstream connect { server 127.0.0.1:8080; } server { server_name admin.example.com www.admin.example.com; listen 80; return 301 https://admin.example.com$request_uri; } server { listen 80; server_name ankieta.example.com www.ankieta.example.com; add_header Access-Control-Allow-Origin $http_origin; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, PATCH, DELETE'; add_header 'Access-Control-Allow-Credentials' 'true'; add_header 'Access-Control-Allow-Headers' 'Access-Control-Request-Method,Access-Control-Request-Headers,Cache,Pragma,Authorization,Accept,Accept-Encoding,Accept-Language,Host,Referer,Content-Length,Origin,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type'; return 301 https://ankieta.example.com$request_uri; } server { server_name admin.example.com; listen 443 ssl; ssl_certificate /srv/ssl/14182263.pem; ssl_certificate_key /srv/ssl/admin_i_ankieta.example.com.key; ssl_protocols SSLv3 TLSv1; ssl_ciphers ALL:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM; location / { proxy_pass http://connect; } } server { server_name ankieta.example.com; listen 443 ssl; ssl_certificate /srv/ssl/14182263.pem; ssl_certificate_key /srv/ssl/admin_i_ankieta.example.com.key; ssl_protocols SSLv3 TLSv1; ssl_ciphers ALL:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM; root /srv/limesurvey; index index.php; add_header 'Access-Control-Allow-Origin' $http_origin; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, PATCH, DELETE'; add_header 'Access-Control-Allow-Credentials' 'true'; add_header 'Access-Control-Allow-Headers' 'Access-Control-Request-Method,Access-Control-Request-Headers,Cache,Pragma,Authorization,Accept,Accept-Encoding,Accept-Language,Host,Referer,Content-Length,Origin,DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type'; client_max_body_size 4M; location / { try_files $uri $uri/ /index.php?q=$uri&$args; } location ~ /*.php$ { fastcgi_split_path_info ^(.+\.php)(/.+)$; #NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini include fastcgi_params; fastcgi_param SCRIPT_FILENAME /srv/limesurvey$fastcgi_script_name; # fastcgi_param HTTPS $https; fastcgi_intercept_errors on; fastcgi_pass 127.0.0.1:9000; } location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ { expires max; log_not_found off; } } this is basically an AngularJS app and a PHP app (LimeSurvey), served under two different domains by the same webserver (Nginx). AngularJS is in fact served by ConnectJS, which is proxied to by Nginx (ConnectJS listens only on localhost). In Firefox console I get this: Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://ankieta.example.com/admin/remotecontrol. This can be fixed by moving the resource to the same domain or enabling CORS. which of course is annoying. Other browsers work fine (Chrome, IE). Any suggestions on this?

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• AWS Load balancer connection reset

  - by joshmmo

  I have an ELB set up with two instances. The issue I have with it is that when I do not add www. to it, the ELB just hangs. This is some info I get when I spider with wget: Spider mode enabled. Check if remote file exists. --2013-06-20 13:40:54-- http://learning.example.com/ Resolving learning.example.com... 54.xxx.x.x53, 50.xx.xxx.x71 Connecting to learning.example.com|54.xxx.x.x53|:80... connected. HTTP request sent, awaiting response... No data received. Retrying. when I add www. it works great. I have a GoDaddy SSL cert that I added to the listener section that covers 3 domains, www.learning.example.com, files.learning.example.com and learning.example.com. These are my listener settings: - HTTP 80 HTTPS 443 N/A N/A - SSL 443 SSL 443 Change canvasNew (Change) My EC2 instances are running apache2 on Ubuntu 12.04. I will be happy to post my vhosts file if needed. However, when I ran the server with the domains pointing to just one EC2 instance things worked fine. How can I fix this issue for learning.example.com? Why does www work just fine? A second question would be what is the difference between instance protocol and load balancer protocol? EDIT: Here are the dig results for learning.example.com from yesterday. I changed the DNS entry to point to one instance to make sure it was the elb. When I switch it back I will do it for www.learning.example.com ; <<>> DiG 9.9.1-P2 <<>> learning.example.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20210 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;learning.example.com. IN A ;; ANSWER SECTION: learning.example.com. 2559 IN CNAME canvas-22222222222.us-west-1.elb.amazonaws.com. canvas-22222222222.us-west-1.elb.amazonaws.com. 60 IN A 54.xxx.x.x53 canvas-22222222222.us-west-1.elb.amazonaws.com. 60 IN A 50.xx.xxx.x71 ;; Query time: 83 msec ;; SERVER: 10.x.xx.20#53(10.x.xx.20) ;; WHEN: Thu Jun 20 13:40:47 2013 ;; MSG SIZE rcvd: 137 EDIT 2: Here is some more info that might be helpful. Port Configuration: 80 (HTTP) forwarding to 443 (HTTPS) Backend Authentication: Disabled Stickiness: Disabled(edit) 443 (SSL, Certificate: canvasNew) forwarding to 443 (SSL) Backend Authentication: Disabled So I switched everything to one EC2 IP address to bypass the elb to make sure things are working. It's running great. www and the non-www url work perfectly fine. Its only when I switch things to the ELB that learning.example.com hangs and www.learning.example.com works. Hopefully you can get some ideas flowing.

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• Samba with Active Directory - shares are readonly, NT_STATUS_MEDIA_WRITE_PROTECTED

  - by froh42

  I've set a samba server that seems to work, all shares are seemingly exported as readonly, however. The machine is called "lx". When I'm on lx I can run the following command: froh@lx:~$ smbclient //lx/export -UAdministrator Enter Administrator's password: Domain=[CUSTOMER] OS=[Unix] Server=[Samba 3.5.4] smb: \> mkdir wrzlbrmpf NT_STATUS_MEDIA_WRITE_PROTECTED making remote directory \wrzlbrmpf smb: \> ls . D 0 Fri Dec 3 19:04:20 2010 .. D 0 Sun Nov 28 01:32:37 2010 zork D 0 Fri Dec 3 18:53:33 2010 bar D 0 Sun Nov 28 23:52:43 2010 ork 1 Fri Dec 3 18:53:02 2010 foo 1 Sun Nov 28 23:52:41 2010 gaga D 0 Fri Dec 3 19:04:20 2010 How can I troubleshoot this? What I did: First I set up a fresh install of Ubuntu 10.10 x64. Second I got kerberos working with the following krb5.conf file: [libdefaults] ticket_lifetime = 24000 clock_skew = 300 default_realm = CUSTOMER.LOCAL [realms] CUSTOMER.LOCAL = { kdc = SB4.customer.local:88 admin_server = SB4.customer.local:464 default_domain = CUSTOMER.LOCAL } [domain_realm] .customer.local = CUSTOMER.LOCAL customer.local = CUSTOMER.LOCAL #[login] # krb4_convert = true # krb4_get_tickets = false I also added winbind to group, passwd and shadow in nsswitch.conf. Seemingly Kerberos works: root@lx:~# net ads testjoin Join is OK root@lx:~# wbinfo -a 'Administrator%MYSECRETPASSWORD' plaintext password authentication succeeded challenge/response password authentication succeeded wbinfo -u and wbinfo -g also spit out a list of users and a list of groups respectiveley. I noted that domain accounts did NOT include a domain and they are in german (as on the SBS 2003 that is the domain server). So I get a "Domänenbenutzer" in wbinfo -u's output not a "CUSTOMER+Domain User" or something similar. I'm not sure anymore what I did to the PAM configuration, but here is what I currently have: root@lx:/etc/pam.d# cat samba @include common-auth @include common-account @include common-session-noninteractive root@lx:/etc/pam.d# grep -ve '^#' common-auth auth [success=3 default=ignore] pam_krb5.so minimum_uid=1000 auth [success=2 default=ignore] pam_unix.so nullok_secure try_first_pass auth [success=1 default=ignore] pam_winbind.so krb5_auth krb5_ccache_type=FILE cached_login try_first_pass auth requisite pam_deny.so auth required pam_permit.so root@lx:/etc/pam.d# grep -ve '^#' common-account account [success=2 new_authtok_reqd=done default=ignore] pam_unix.so account [success=1 new_authtok_reqd=done default=ignore] pam_winbind.so account requisite pam_deny.so account required pam_permit.so account required pam_krb5.so minimum_uid=1000 root@lx:/etc/pam.d# grep -ve '^#' common-session-noninteractive session [default=1] pam_permit.so session requisite pam_deny.so session required pam_permit.so session optional pam_krb5.so minimum_uid=1000 session required pam_unix.so session optional pam_winbind.so At some point I joined the linux box into the AD domain. After (manually) creating a home directory on the linux box I can log in using the Adminstrator user with the password taken from AD. Now I run samba with the following setup: [global] netbios name = LX realm = CUSTOMER.LOCAL workgroup = CUSTOMER security = ADS encrypt passwords = yes password server = 192.168.20.244 #IP des Domain Controllers os level = 0 socket options = TCP_NODELAY SO_RCVBUF=16384 SO_SNDBUF=16384 idmap uid = 10000-20000 idmap gid = 10000-20000 winbind enum users = Yes winbind enum groups = Yes preferred master = no winbind separator = + dns proxy = no wins proxy = no # client NTLMv2 auth = Yes log level = 2 logfile = /var/log/samba/log.smbd.%U template homedir = /home/%U template shell = /bin/bash [export] path = /mnt/sdc1/export read only = No public = Yes Currently I don't care whether export is exported to everyone or just one user, I want to see somebody WRITING to that directory before I start fiddling with the authentication settings. (Who may access it). As mentioned, accessing the share from smbclient results in this NT_STATUS_MEDIA_WRITE_PROTECTED . Accessing it from windows shows ACLs that look correct (The user may write) - but it does not work, I can only read files not write. The directory to be exported looks like this: root@lx:/etc/pam.d# ls -ld /mnt/ drwxr-xr-x 5 root root 4096 2010-11-28 01:29 /mnt/ root@lx:/etc/pam.d# ls -ld /mnt/sdc1/ drwxr-xr-x 4 froh froh 4096 2010-11-28 01:32 /mnt/sdc1/ root@lx:/etc/pam.d# ls -ld /mnt/sdc1/export/ drwxrwxrwx+ 5 administrator domänen-admins 4096 2010-12-03 19:04 /mnt/sdc1/export/ root@lx:/etc/pam.d# getfacl /mnt/ getfacl: Entferne führende '/' von absoluten Pfadnamen # file: mnt/ # owner: root # group: root user::rwx group::r-x other::r-x root@lx:/etc/pam.d# getfacl /mnt/sdc1/ getfacl: Entferne führende '/' von absoluten Pfadnamen # file: mnt/sdc1/ # owner: froh # group: froh user::rwx group::r-x other::r-x root@lx:/etc/pam.d# getfacl /mnt/sdc1/export/ getfacl: Entferne führende '/' von absoluten Pfadnamen # file: mnt/sdc1/export/ # owner: administrator # group: domänen-admins user::rwx group::rwx group:domänen-admins:rwx mask::rwx other::rwx default:user::rwx default:group::rwx default:group:domänen-admins:rwx default:mask::rwx default:other::rwx My, oh my what am I overlooking? What am I to blind to see?

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• How to connect FreeBSD Jail to network

  - by jgtumusiime

  So recently I successfully installed and configured a freebsd jail and I would like to install software within my jail but I cannot connect to the network. I'm trying to setup an apache+php+mysql installation within the jail and have the webserver accessible by users. Here is my rc.conf for the jail. ... jail_enable="YES" # Set to NO to disable starting of any jails jail_list="mambo2" # Space separated list of names of jails jail_mambo2_rootdir="/usr/jails/j01" # jail's root directory jail_mambo2_hostname="mambo2.ug" # jail's hostname jail_mambo2_ip="192.168.100.174" # jail's IP address jail_mambo2_devfs_enable="YES" # mount devfs in the jail jail_mambo2_devfs_ruleset="mambo2_ruleset" # devfs ruleset to apply to jail here is my jail ifconfig output mambo2# ifconfig rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=8<VLAN_MTU> ether 00:c1:28:00:48:db media: Ethernet autoselect (100baseTX <full-duplex>) status: active plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> metric 0 mtu 1500 lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 mambo2# It does not show the IP address I configured within /etc/rc.conf. But, when I list the running jails, it shows the right IP address. Here is a list of jails running [root@mambo /usr/home/jtumusiime]# jls JID IP Address Hostname Path 5 192.168.100.174 mambo2.ug /usr/jails/j01 I also created a /etc/resolv.conf for nameservers. This was not in existence so I'm not quite sure if it is necessary? mambo2# cat /etc/resolv.conf nameserver 192.168.100.251 nameserver 8.8.8.8 mambo2# my host has 4 ip addresses, 3 public and one private: 192.168.100.173 I tried creating a jail using ezjail and this does not work out. [root@mambo /usr/src]# ezjail-admin update -p -i Error: Cannot find your copy of the FreeBSD source tree in . Consider using 'ezjail-admin install' to create the base jail from an ftp server. [root@mambo /usr/src]# I have an updated copy of freebsd 7.1 source tree from SVN in /usr/src/ [root@mambo /usr/src]# svn info Path: . URL: http://svn.freebsd.org/base/release/7.1.0 Repository Root: http://svn.freebsd.org/base Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f Revision: 243371 Node Kind: directory Schedule: normal Last Changed Author: kensmith Last Changed Rev: 186660 Last Changed Date: 2009-01-01 01:57:14 +0300 (Thu, 01 Jan 2009) [root@mambo /usr/src]# and I did #make buildworld while building the first jail i.e mambo2 Here is an excerpt of ouput of ezjail-admin install ... 221 Goodbye. Trying 193.162.146.4... Connected to ftp.freebsd.org. 220 ftp.beastie.tdk.net FTP server (Version 6.00LS) ready. 331 Guest login ok, send your email address as password. 230 Guest login ok, access restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. 200 Type set to I. 550 pub/FreeBSD-Archive/old-releases/i386/7.1-RELEASE/base: No such file or directory. 221 Goodbye. Could not fetch base from ftp.freebsd.org. Maybe your release (7.1-RELEASE) is specified incorrectly or the host ftp.freebsd.org does not provide that release build. Use the -r option to specify an existing release or the -h option to specify an alternative ftp server. Querying your ftp-server... The ftp server you specified (ftp.freebsd.org) seems to provide the following builds: Trying 193.162.146.4... total 10 drwxrwxr-x 13 1006 1006 512 Feb 20 2011 8.2-RELEASE drwxrwxr-x 13 1006 1006 512 Apr 10 2012 8.3-RELEASE lrwxr-xr-x 1 1006 1006 16 Jan 7 2012 9.0-RELEASE -> i386/9.0-RELEASE drwxrwxr-x 7 1006 1006 1024 Feb 19 2012 ISO-IMAGES -rw-rw-r-- 1 1006 1006 637 Nov 23 2005 README.TXT drwxrwxr-x 5 1006 1006 512 Nov 2 02:59 i386 I do not want to upgrade my freebsd installation. I have googled around; but all in vail. Thank you

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• vagrant fails to bring up additional adapter for centos vm using virtual box provider

  - by Anadi Misra

  this is in continuation of the question asked here about host only adapter on dhcp I upgraded to vagrant 1.6.3 and the updated Vagrantfile to following setting for multiple adapters # add additional adapter for inter machine networking dev.vm.network :private_network, :type => "dhcp", :adapter => "2", :netmask => "255.255.255.0" it goes through creating adapters but then fails bringing up the mic on vm Anadis-MacBook-Pro:full-stack-env anadi$ vagrant up Bringing machine 'full-stack-env' up with 'virtualbox' provider... ==> full-stack-env: Clearing any previously set forwarded ports... ==> full-stack-env: Clearing any previously set network interfaces... ==> full-stack-env: Preparing network interfaces based on configuration... full-stack-env: Adapter 1: nat full-stack-env: Adapter 2: hostonly ==> full-stack-env: Forwarding ports... full-stack-env: 22 => 4223 (adapter 1) full-stack-env: 8080 => 8090 (adapter 1) ==> full-stack-env: Running 'pre-boot' VM customizations... ==> full-stack-env: Booting VM... ==> full-stack-env: Waiting for machine to boot. This may take a few minutes... full-stack-env: SSH address: 127.0.0.1:4223 full-stack-env: SSH username: vagrant full-stack-env: SSH auth method: private key full-stack-env: Warning: Connection timeout. Retrying... full-stack-env: Warning: Connection timeout. Retrying... full-stack-env: Warning: Remote connection disconnect. Retrying... ==> full-stack-env: Machine booted and ready! ==> full-stack-env: Checking for guest additions in VM... ==> full-stack-env: Setting hostname... ==> full-stack-env: Configuring and enabling network interfaces... The following SSH command responded with a non-zero exit status. Vagrant assumes that this means the command failed! ARPCHECK=no /sbin/ifup eth 2> /dev/null Stdout from the command: Device eth does not seem to be present, delaying initialization. Stderr from the command: how ever when I log in to the environment I see two network interfaces as expected Anadis-MacBook-Pro:full-stack-env anadi$ vagrant ssh Last login: Wed Jun 4 12:54:47 2014 from 10.0.2.2 [vagrant@full-stack-env ~]$ ifconfig eth0 Link encap:Ethernet HWaddr 08:00:27:BD:39:57 inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:febd:3957/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:511 errors:0 dropped:0 overruns:0 frame:0 TX packets:360 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:54574 (53.2 KiB) TX bytes:46675 (45.5 KiB) eth1 Link encap:Ethernet HWaddr 08:00:27:A3:86:C9 inet addr:172.28.128.3 Bcast:172.28.128.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:fea3:86c9/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5 errors:0 dropped:0 overruns:0 frame:0 TX packets:9 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1360 (1.3 KiB) TX bytes:894 (894.0 b) 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) I am bit confused here on why it is trying to add another mic (eth2)? In the VM I used for creating this vagrant box, I had added two NICs already.

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• How can I check if PHP was compiled with the UNICODE version of the Win32 API?

  - by Wesley Murch

  This is related to this Stack Overflow post: glob() can't find file names with multibyte characters on Windows? I'm having issues with PHP and files that have multibyte characters on Windows. Here's my test case: print_r(scandir('./uploads/')); print_r(glob('./uploads/*')); Correct Output on remote UNIX server: Array ( [0] => . [1] => .. [2] => filename-äöü.jpg [3] => filename.jpg [4] => test?test.jpg [5] => ??? ?????.jpg [6] => ?????????.jpg [7] => ???.jpg ) Array ( [0] => ./uploads/filename-äöü.jpg [1] => ./uploads/filename.jpg [2] => ./uploads/test?test.jpg [3] => ./uploads/??? ?????.jpg [4] => ./uploads/?????????.jpg [5] => ./uploads/???.jpg ) Incorrect Output locally on Windows: Array ( [0] => . [1] => .. [2] => ??? ?????.jpg [3] => ???.jpg [4] => ?????????.jpg [5] => filename-äöü.jpg [6] => filename.jpg [7] => test?test.jpg ) Array ( [0] => ./uploads/filename-äöü.jpg [1] => ./uploads/filename.jpg ) Here's a relevant excerpt from the answer I chose to accept (which actually is a quote from an article that was posted online over 2 years ago): From the comments on this article: http://www.rooftopsolutions.nl/blog/filesystem-encoding-and-php The output from your PHP installation on Windows is easy to explain : you installed the wrong version of PHP, and used a version not compiled to use the Unicode version of the Win32 API. For this reason, the filesystem calls used by PHP will use the legacy "ANSI" API and so the C/C++ libraries linked with this version of PHP will first try to convert yout UTF-8-encoded PHP string into the local "ANSI" codepage selected in the running environment (see the CHCP command before starting PHP from a command line window) Your version of Windows is MOST PROBABLY NOT responsible of this weird thing. Actually, this is YOUR version of PHP which is not compiled correctly, and that uses the legacy ANSI version of the Win32 API (for compatibility with the legacy 16-bit versions of Windows 95/98 whose filesystem support in the kernel actually had no direct support for Unicode, but used an internal conversion layer to convert Unicode to the local ANSI codepage before using the actual ANSI version of the API). Recompile PHP using the compiler option to use the UNICODE version of the Win32 API (which should be the default today, and anyway always the default for PHP installed on a server that will NEVER be Windows 95 or Windows 98...) I can't confirm whether this is my problem or not. I used phpinfo() and did not find anything interesting, but I wasn't sure what to look for. I've been using XAMPP for easy installations, so I'm really not sure exactly how it was installed. I'm using Windows 7, 64 bit - so forgive my ignorance, but I'm not even sure if "Win32" is relevant here. How can I check if my current version of PHP was compiled with the configuration mentioned above? PHP Version: 5.3.8 System: Windows NT WES-PC 6.1 build 7601 (Windows 7 Home Premium Edition Service Pack 1) i586 Build Date: Aug 23 2011 11:47:20 Compiler: MSVC9 (Visual C++ 2008) Architecture: x86 Configure Command: cscript /nologo configure.js "--enable-snapshot-build" "--disable-isapi" "--enable-debug-pack" "--disable-isapi" "--without-mssql" "--without-pdo-mssql" "--without-pi3web" "--with-pdo-oci=D:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8=D:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8-11g=D:\php-sdk\oracle\instantclient11\sdk,shared" "--enable-object-out-dir=../obj/" "--enable-com-dotnet" "--with-mcrypt=static" "--disable-static-analyze"

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• What NAS setup for syncing over the internet?

  - by Jamse

  I have family living a few hours away and have a lot of files that I would like to share - especially lots of folders of digital photos, but also documents etc. - partially so they can see them, partially so I can have access when I visit them and partially for backup / redundancy purposes. My current hard drives on my main machine are getting pretty full anyway, and I have a MythTV box where my music is currently stored, so I was thinking of getting a NAS anyway. And at the other end my family have a few computers, so they would probably benefit from a NAS too. My general idea (though I'm willing to shift on this if there are any bright ideas about other ways of achieving my objectives) is to get a matching pair of NASs and have them sync over the internet. (To cut down on bandwidth use I would get them in sync locally to start with.) Having read around as best I can it seems that syncing over the internet is generally only a feature on quite high end units. However, I have seen that QNAP seem to feature this on their TS-110 and TS-210 units, which might work (they call it "remote replication"). They seem pretty reasonably priced for what they are, but of course with buying 2 of them and then adding the drives (say 1TB or 2TB each) I'd be looking at about £400 total. So, I'm looking for recommendations really. I don't want to spend more than the QNAPs would cost me, but any other ideas would be most appreciated. I am comfortable with technology and tinkering around, but I don't have as much time for that as I would like, so I guess I would favour solutions that require less tinkering rather than more (even though that's less fun!). Any thoughts would be welcome, as would any comments from people who have used the QNAP boxes for this. Thanks in advance. Some specifications: Two-way syncing. Changes made at either end should be synced to the other. There shouldn't be one unit that is effectively a read-only mirror of the other. Not real time. The syncing doesn't need to be real time - if it updated, say, daily overnight that would be fine. Set and forget. I would prefer minimal user interaction once set up - it would be great if syncs were scheduled and automatic. OS independence. I am running Windows XP plus an Ubuntu-based MythTV box. At the other end there are Windows 7 and Windows XP machines, plus a networked TV set top box which I think can play files off the network. Machine independence. I would favour a system that is self-contained, i.e. not reliant on any particular PC being switched on. If the system had enough else going for it I could perhaps work around it at this end, where I only have one PC that's used as such, but it would be harder at the other where there are at least two PCs that might be accessing the files. Notifications. I guess things like getting an email notification if the syncing fell over for any reason would be useful, though it's not a deal breaker.

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• Samba with Active Directory - shares are readonly, NT_STATUS_MEDIA_WRITE_PROTECTED

  - by froh42

  I've set a samba server that seems to work, all shares are seemingly exported as readonly, however. The machine is called "lx". When I'm on lx I can run the following command: froh@lx:~$ smbclient //lx/export -UAdministrator Enter Administrator's password: Domain=[CUSTOMER] OS=[Unix] Server=[Samba 3.5.4] smb: \> mkdir wrzlbrmpf NT_STATUS_MEDIA_WRITE_PROTECTED making remote directory \wrzlbrmpf smb: \> ls . D 0 Fri Dec 3 19:04:20 2010 .. D 0 Sun Nov 28 01:32:37 2010 zork D 0 Fri Dec 3 18:53:33 2010 bar D 0 Sun Nov 28 23:52:43 2010 ork 1 Fri Dec 3 18:53:02 2010 foo 1 Sun Nov 28 23:52:41 2010 gaga D 0 Fri Dec 3 19:04:20 2010 How can I troubleshoot this? What I did: First I set up a fresh install of Ubuntu 10.10 x64. Second I got kerberos working with the following krb5.conf file: [libdefaults] ticket_lifetime = 24000 clock_skew = 300 default_realm = CUSTOMER.LOCAL [realms] CUSTOMER.LOCAL = { kdc = SB4.customer.local:88 admin_server = SB4.customer.local:464 default_domain = CUSTOMER.LOCAL } [domain_realm] .customer.local = CUSTOMER.LOCAL customer.local = CUSTOMER.LOCAL #[login] # krb4_convert = true # krb4_get_tickets = false I also added winbind to group, passwd and shadow in nsswitch.conf. Seemingly Kerberos works: root@lx:~# net ads testjoin Join is OK root@lx:~# wbinfo -a 'Administrator%MYSECRETPASSWORD' plaintext password authentication succeeded challenge/response password authentication succeeded wbinfo -u and wbinfo -g also spit out a list of users and a list of groups respectiveley. I noted that domain accounts did NOT include a domain and they are in german (as on the SBS 2003 that is the domain server). So I get a "Domänenbenutzer" in wbinfo -u's output not a "CUSTOMER+Domain User" or something similar. I'm not sure anymore what I did to the PAM configuration, but here is what I currently have: root@lx:/etc/pam.d# cat samba @include common-auth @include common-account @include common-session-noninteractive root@lx:/etc/pam.d# grep -ve '^#' common-auth auth [success=3 default=ignore] pam_krb5.so minimum_uid=1000 auth [success=2 default=ignore] pam_unix.so nullok_secure try_first_pass auth [success=1 default=ignore] pam_winbind.so krb5_auth krb5_ccache_type=FILE cached_login try_first_pass auth requisite pam_deny.so auth required pam_permit.so root@lx:/etc/pam.d# grep -ve '^#' common-account account [success=2 new_authtok_reqd=done default=ignore] pam_unix.so account [success=1 new_authtok_reqd=done default=ignore] pam_winbind.so account requisite pam_deny.so account required pam_permit.so account required pam_krb5.so minimum_uid=1000 root@lx:/etc/pam.d# grep -ve '^#' common-session-noninteractive session [default=1] pam_permit.so session requisite pam_deny.so session required pam_permit.so session optional pam_krb5.so minimum_uid=1000 session required pam_unix.so session optional pam_winbind.so At some point I joined the linux box into the AD domain. After (manually) creating a home directory on the linux box I can log in using the Adminstrator user with the password taken from AD. Now I run samba with the following setup: [global] netbios name = LX realm = CUSTOMER.LOCAL workgroup = CUSTOMER security = ADS encrypt passwords = yes password server = 192.168.20.244 #IP des Domain Controllers os level = 0 socket options = TCP_NODELAY SO_RCVBUF=16384 SO_SNDBUF=16384 idmap uid = 10000-20000 idmap gid = 10000-20000 winbind enum users = Yes winbind enum groups = Yes preferred master = no winbind separator = + dns proxy = no wins proxy = no # client NTLMv2 auth = Yes log level = 2 logfile = /var/log/samba/log.smbd.%U template homedir = /home/%U template shell = /bin/bash [export] path = /mnt/sdc1/export read only = No public = Yes Currently I don't care whether export is exported to everyone or just one user, I want to see somebody WRITING to that directory before I start fiddling with the authentication settings. (Who may access it). As mentioned, accessing the share from smbclient results in this NT_STATUS_MEDIA_WRITE_PROTECTED . Accessing it from windows shows ACLs that look correct (The user may write) - but it does not work, I can only read files not write. The directory to be exported looks like this: root@lx:/etc/pam.d# ls -ld /mnt/ drwxr-xr-x 5 root root 4096 2010-11-28 01:29 /mnt/ root@lx:/etc/pam.d# ls -ld /mnt/sdc1/ drwxr-xr-x 4 froh froh 4096 2010-11-28 01:32 /mnt/sdc1/ root@lx:/etc/pam.d# ls -ld /mnt/sdc1/export/ drwxrwxrwx+ 5 administrator domänen-admins 4096 2010-12-03 19:04 /mnt/sdc1/export/ root@lx:/etc/pam.d# getfacl /mnt/ getfacl: Entferne führende '/' von absoluten Pfadnamen # file: mnt/ # owner: root # group: root user::rwx group::r-x other::r-x root@lx:/etc/pam.d# getfacl /mnt/sdc1/ getfacl: Entferne führende '/' von absoluten Pfadnamen # file: mnt/sdc1/ # owner: froh # group: froh user::rwx group::r-x other::r-x root@lx:/etc/pam.d# getfacl /mnt/sdc1/export/ getfacl: Entferne führende '/' von absoluten Pfadnamen # file: mnt/sdc1/export/ # owner: administrator # group: domänen-admins user::rwx group::rwx group:domänen-admins:rwx mask::rwx other::rwx default:user::rwx default:group::rwx default:group:domänen-admins:rwx default:mask::rwx default:other::rwx My, oh my what am I overlooking? What am I to blind to see?

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• Apache SSL reverse proxy to a Embed Tomcat

  - by ggarcia24

  I'm trying to put in place a reverse proxy for an application that is running a tomcat embed server over SSL. The application needs to run over SSL on the port 9002 so I have no way of "disabling SSL" for this app. The current setup schema looks like this: [192.168.0.10:443 - Apache with mod_proxy] --> [192.168.0.10:9002 - Tomcat App] After googling on how to make such a setup (and testing) I came across this: https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/861137 Which lead to make my current configuration (to try to emulate the --secure-protocol=sslv3 option of wget) /etc/apache2/sites/enabled/default-ssl: <VirtualHost _default_:443> SSLEngine On SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key SSLProxyEngine On SSLProxyProtocol SSLv3 SSLProxyCipherSuite SSLv3 ProxyPass /test/ https://192.168.0.10:9002/ ProxyPassReverse /test/ https://192.168.0.10:9002/ LogLevel debug ErrorLog /var/log/apache2/error-ssl.log CustomLog /var/log/apache2/access-ssl.log combined </VirtualHost> The thing is that the error log is showing error:14077102:SSL routines:SSL23_GET_SERVER_HELLO:unsupported protocol Complete request log: [Wed Mar 13 20:05:57 2013] [debug] mod_proxy.c(1020): Running scheme https handler (attempt 0) [Wed Mar 13 20:05:57 2013] [debug] mod_proxy_http.c(1973): proxy: HTTP: serving URL https://192.168.0.10:9002/ [Wed Mar 13 20:05:57 2013] [debug] proxy_util.c(2011): proxy: HTTPS: has acquired connection for (192.168.0.10) [Wed Mar 13 20:05:57 2013] [debug] proxy_util.c(2067): proxy: connecting https://192.168.0.10:9002/ to 192.168.0.10:9002 [Wed Mar 13 20:05:57 2013] [debug] proxy_util.c(2193): proxy: connected / to 192.168.0.10:9002 [Wed Mar 13 20:05:57 2013] [debug] proxy_util.c(2444): proxy: HTTPS: fam 2 socket created to connect to 192.168.0.10 [Wed Mar 13 20:05:57 2013] [debug] proxy_util.c(2576): proxy: HTTPS: connection complete to 192.168.0.10:9002 (192.168.0.10) [Wed Mar 13 20:05:57 2013] [info] [client 192.168.0.10] Connection to child 0 established (server demo1agrubu01.demo.lab:443) [Wed Mar 13 20:05:57 2013] [info] Seeding PRNG with 656 bytes of entropy [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_kernel.c(1866): OpenSSL: Handshake: start [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_kernel.c(1874): OpenSSL: Loop: before/connect initialization [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_kernel.c(1874): OpenSSL: Loop: unknown state [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_io.c(1897): OpenSSL: read 7/7 bytes from BIO#7f122800a100 [mem: 7f1230018f60] (BIO dump follows) [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_io.c(1830): +-------------------------------------------------------------------------+ [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_io.c(1869): | 0000: 15 03 01 00 02 02 50 ......P | [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_io.c(1875): +-------------------------------------------------------------------------+ [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_kernel.c(1903): OpenSSL: Exit: error in unknown state [Wed Mar 13 20:05:57 2013] [info] [client 192.168.0.10] SSL Proxy connect failed [Wed Mar 13 20:05:57 2013] [info] SSL Library Error: 336032002 error:14077102:SSL routines:SSL23_GET_SERVER_HELLO:unsupported protocol [Wed Mar 13 20:05:57 2013] [info] [client 192.168.0.10] Connection closed to child 0 with abortive shutdown (server example1.domain.tld:443) [Wed Mar 13 20:05:57 2013] [error] (502)Unknown error 502: proxy: pass request body failed to 172.31.4.13:9002 (192.168.0.10) [Wed Mar 13 20:05:57 2013] [error] [client 192.168.0.10] proxy: Error during SSL Handshake with remote server returned by /dsfe/ [Wed Mar 13 20:05:57 2013] [error] proxy: pass request body failed to 192.168.0.10:9002 (172.31.4.13) from 172.31.4.13 () [Wed Mar 13 20:05:57 2013] [debug] proxy_util.c(2029): proxy: HTTPS: has released connection for (172.31.4.13) [Wed Mar 13 20:05:57 2013] [debug] ssl_engine_kernel.c(1884): OpenSSL: Write: SSL negotiation finished successfully [Wed Mar 13 20:05:57 2013] [info] [client 192.168.0.10] Connection closed to child 6 with standard shutdown (server example1.domain.tld:443) If I do a wget --secure-protocol=sslv3 --no-check-certificate https://192.168.0.10:9002/ it works perfectly, but from apache is not working. I'm on an Ubuntu Server with the latest updates running apache2 with mod_proxy and mod_ssl enabled: ~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS" ~# dpkg -s apache2 ... Version: 2.2.22-1ubuntu1.2 ... ~# dpkg -s openssl ... Version: 1.0.1-4ubuntu5.7 ... Hope that anyone may help

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• "ID 046d:c50e Logitech, Inc. Cordless Mouse Receiver" wheel-click is wrong

  - by sputnick

  I use this mouse under archlinux x86_64 with 3.2.8-1-ARCH kernel. I have some problems to select and then paste with the wheel-click in some applications like konversation, not in a terminal nor an editor. I don't know if it's a hardware problem or a software one. $ lsusb -v Bus 002 Device 110: ID 046d:c50e Logitech, Inc. Cordless Mouse Receiver Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x046d Logitech, Inc. idProduct 0xc50e Cordless Mouse Receiver bcdDevice 25.10 iManufacturer 1 Logitech iProduct 2 USB RECEIVER iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 34 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 70mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 1 Boot Interface Subclass bInterfaceProtocol 2 Mouse iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 95 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Device Status: 0x0000 (Bus Powered) When I see what's happens in xev, the output is different compared to another mouse My buggy Logitech mouse : ButtonPress event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x4400002, time 170350700, (48,52), root:(1491,75), state 0x10, button 11, same_screen YES EnterNotify event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x0, time 170350700, (48,52), root:(1491,75), mode NotifyGrab, detail NotifyInferior, same_screen YES, focus YES, state 16 KeymapNotify event, serial 40, synthetic NO, window 0x0, keys: 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ButtonPress event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x4400002, time 170350716, (48,52), root:(1491,75), state 0x10, button 6, same_screen YES ButtonRelease event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x4400002, time 170350716, (48,52), root:(1491,75), state 0x10, button 6, same_screen YES ButtonRelease event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x4400002, time 170350988, (48,52), root:(1491,75), state 0x10, button 11, same_screen YES LeaveNotify event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x0, time 170350988, (48,52), root:(1491,75), mode NotifyUngrab, detail NotifyInferior, same_screen YES, focus YES, state 16 a working mouse (dell) : ButtonPress event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x4400002, time 170245131, (46,32), root:(1489,55), state 0x10, button 2, same_screen YES EnterNotify event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x0, time 170245131, (46,32), root:(1489,55), mode NotifyGrab, detail NotifyInferior, same_screen YES, focus YES, state 528 KeymapNotify event, serial 40, synthetic NO, window 0x0, keys: 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ButtonRelease event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x4400002, time 170245411, (46,32), root:(1489,55), state 0x210, button 2, same_screen YES LeaveNotify event, serial 40, synthetic NO, window 0x4400001, root 0x15a, subw 0x0, time 170245411, (46,32), root:(1489,55), mode NotifyUngrab, detail NotifyInferior, same_screen YES, focus YES, state 16 A demo of the problem when I use konversation (IRC) : http://www.youtube.com/watch?v=lhmr92M7NCc I tried to modify the button map with xmodmap like this with no success (one at a time) : xmodmap -e "pointer = 1 0 3" xmodmap -e "pointer = 1 1 3" xmodmap -e "pointer = 1 2 3" xmodmap -e "pointer = 1 3 3" xmodmap -e "pointer = 1 4 3" xmodmap -e "pointer = 1 5 3" xmodmap -e "pointer = 1 6 3" xmodmap -e "pointer = 1 7 3" xmodmap -e "pointer = 1 8 3" xmodmap -e "pointer = 1 9 3" xmodmap -e "pointer = 1 10 3" xmodmap -e "pointer = 1 11 3" xmodmap -e "pointer = 1 12 3" xmodmap -e "pointer = 1 13 3" xmodmap -e "pointer = 1 14 3" xmodmap -e "pointer = 1 15 3" xmodmap -e "pointer = 1 16 3" xmodmap -e "pointer = 1 17 3" xmodmap -e "pointer = 1 18 3" xmodmap -e "pointer = 1 19 3" xmodmap -e "pointer = 1 20 3" xmodmap -e "pointer = 1 21 3" xmodmap -e "pointer = 1 22 3" xmodmap -e "pointer = 1 23 3" xmodmap -e "pointer = 1 24 3" xmodmap -e "pointer = 1 25 3" Any clue ? I would like to avoid buying a new mouse just for a paste problem.

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