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• Deploying website content via Subversion

  - by Johann

  we have recently set up a new development infrastructure and process for one of our clients. This involves the strict use of subversion as a central source code repository. The svn repositories contains a seperate branch for code on the live system (/branches/live/). The repositories are use for PHP content (mainly Wordpress Blogs), but in future they may hold other asp code as well. Bonus points for a solutions which more or less in the same way with ASP code on Windows Server 2008 R2. We have two servers: one staging system and one live system. The staging system is updated regularly with the code of the trunk. The live system is update manually. Each webroot on the servers are working copy of either the trunk (staging system) or the live branch (live system). The current workflow is: Developing on the dev's box - commit into the trunk - auto-deploy on staging system - testing on the staging system - merging into /branches/live/ - manual deployment on live system. This works for one-way changes very well, however we have some troubles on every wordpress (or plugin) update: The WP update process removes the directories and unpack the archive of the new version. This removes the svn admin area as well, which produces a lot of errors. We could switch to SVN 1.7 with a single, global admin area, but this would only solve on part of the problem. Finally, we have done the update via the WP Gui, restored the svn admin area, added/removed the files and committed the changes to the trunk. After testing, we had to do basically the same thing on the live server (except the commit, we just reverted the changes and merged the new files from the staging system to the live system). I'm currently thinking of the following: The htdocs of each website is a svn export Each website has a svn working copy beside the htdocs directory a script which "replays" the changes in the wc from htdocs after an update in WP (rsync'ing the changed files to the working copy, rsync'ing new files and svn add them and finally svn delete the deleted files). The script would have to exclude some files (like wp-config.php, uploads/temp directories, etc.). Are there better ways to do this? Unfortunaly, a complete CI server is out of scope due to time and budget limitations.

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• How to execute a shell script on startup?

  - by vijay.shad

  I have create a script to start a server(my first question). Now I want it to run on the system boot and start the defined server. What should I do to get this done? My findings tell me put this file in /etc/init.d location and it will execute when the system will boot. But I am not able to understand how the first argument on the startup will be start? Is this predefined somewhere to use start as $1? If I want to have a case startall that will start all the servers in the script, then what are the options I can manage. My Script is like this: #!/bin/bash case "$1" in start) start ;; stop) stop ;; restart) $0 stop $0 start ;; *) echo "usage: $0 (start|stop|restart)" ;; esac

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• How to find process that's using 100% of CPU

  - by Gabriel

  As i'm looking at htop and top i see that my processor usage is 100% allways. But i can not see any process that is using that much CPU. Htop shows me only 1-2 processes that use around 5% cpu time. Is there a way to find the processes that use that much cpu time? Here is the output of ps -eo pcpu,pid,user,args | sort -r -k1 | less %CPU PID USER COMMAND 0.8 20413 root jsvc.exec -user tomcat -cp ./bootstrap.jar -Djava.endorsed.dirs=../common/endorsed -outfile ../logs/catalina.out -errfile ../logs/catalina.err -verbose org.apache.catalina.startup.Bootstrap -security 0.3 631 mysql /usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/mysql.pid --skip-external-locking 0.2 3380 root /usr/local/apache/bin/httpd -k restart -DSSL 0.2 24698 root tailwatchd 0.2 22472 root /usr/local/jdk/bin/java -Djava.util.logging.config.file=/usr/local/jakarta/tomcat/conf/logging.properties -Dfile.encoding=UTF8 -XX:MaxPermSize=128m -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.endorsed.dirs=/usr/local/jakarta/tomcat/common/endorsed -classpath /usr/local/jakarta/tomcat/bin/bootstrap.jar -Dcatalina.base=/usr/local/jakarta/tomcat -Dcatalina.home=/usr/local/jakarta/tomcat -Djava.io.tmpdir=/usr/local/jakarta/tomcat/temp org.apache.catalina.startup.Bootstrap start 0.1 32095 root cpanellogd - processing bandwidth 0.0 9733 root sleep 1m

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• hosts.deny not blocking ip addresses

  - by Jamie

  I have the following in my /etc/hosts.deny file # # hosts.deny This file describes the names of the hosts which are # *not* allowed to use the local INET services, as decided # by the '/usr/sbin/tcpd' server. # # The portmap line is redundant, but it is left to remind you that # the new secure portmap uses hosts.deny and hosts.allow. In particular # you should know that NFS uses portmap! ALL:ALL and this in /etc/hosts.allow # # hosts.allow This file describes the names of the hosts which are # allowed to use the local INET services, as decided # by the '/usr/sbin/tcpd' server. # ALL:xx.xx.xx.xx , xx.xx.xxx.xx , xx.xx.xxx.xxx , xx.x.xxx.xxx , xx.xxx.xxx.xxx but i am still getting lots of these emails: Time: Thu Feb 10 13:39:55 2011 +0000 IP: 202.119.208.220 (CN/China/-) Failures: 5 (sshd) Interval: 300 seconds Blocked: Permanent Block Log entries: Feb 10 13:39:52 ds-103 sshd[12566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.119.208.220 user=root Feb 10 13:39:52 ds-103 sshd[12567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.119.208.220 user=root Feb 10 13:39:52 ds-103 sshd[12568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.119.208.220 user=root Feb 10 13:39:52 ds-103 sshd[12571]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.119.208.220 user=root Feb 10 13:39:53 ds-103 sshd[12575]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.119.208.220 user=root whats worse is csf is trying to auto block these ip's when the attempt to get in but although it does put ip's in the csf.deny file they do not get blocked either So i am trying to block all ip's with /etc/hosts.deny and allow only the ip's i use with /etc/hosts.allow but so far it doesn't seem to work. right now i'm having to manually block each one with iptables, I would rather it automatically block the hackers in case I was away from a pc or asleep

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• Too many TIME_WAIT state connections!

  - by Hamza

  I've been reading about this everywhere all day, and from what I've gathered, TIME_WAIT is a relatively harmless state. It's supposed to be harmless even when there's too many. But if they're jumping to the numbers I've been seeing for the past 24 hours, something is really wrong! [root@1 ~]# netstat -nat | awk '{print $6}' | sort | uniq -c | sort -n 1 established) 1 Foreign 12 CLOSE_WAIT 15 LISTEN 64 LAST_ACK 201 FIN_WAIT2 334 CLOSING 605 ESTABLISHED 816 SYN_RECV 981 FIN_WAIT1 26830 TIME_WAIT That number fluctuates from 20,000 to 30,000+ (so far, the maximum I've seen it go is 32,000). What worries me is that they're all different IP addresses from all sorts of random locations. Now this is supposed to be (or was supposed to be) a DDoS attack. I know this for a fact, but I won't go into the boring details. It started out as a DDoS and it did impact my server's performance for a couple minutes. After that, everything was back to normal. My server load is normal. My internet traffic is normal. No server resource is being abused. My sites load fine. I also have IPTABLES disabled. There's an odd issue with that too. Every time I enable the firewall/iptables, my server starts experiencing packet loss. Lots of it. About 50%-60% packets are lost. It happens within an hour or within a few hours of enabling the firewall. As soon as I disable it, ping responses from all locations I test them from start clearing up and get stable again. Very strange. The TIME_WAIT state connections have been fluctuating at those numbers since yesterday. For 24 hours now, I've had that, and although it hasn't impacted performance in any way, it's disturbing enough. My current tcp_fin_timeout value is 30 seconds, from the default 60 seconds. However, that seems to not help, at all. Any ideas, suggestions? Anything at all would be appreciated, really!

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• SELinux Contexts

  - by Josh

  I am configuring Apache\PHP and noticed Apache complaining about permissions with the php shared object. Starting httpd: httpd: Syntax error on line 206 of /etc/httpd/conf/httpd.conf: Cannot load /usr/lib/httpd/modules/libphp5.so into server: /usr/lib/httpd/modules/libphp5.so: cannot restore segment prot after reloc: Permission denied I looked at the context (started fine with enforcement off) and found: [root@HDSSERVER conf]# ls --lcontext /usr/lib/httpd/modules/libphp5.so -rwxr-xr-x 1 root:object_r:httpd_modules_t root root 15565418 May 10 08:39 /usr/lib/httpd/modules/libphp5.so Shouldn't httpd (apache) be able to access files with a context of httpd_modules_t? I got it fixed by applying chcon -t textrel_shlib_t '/usr/lib/httpd/modules/libphp5.so' But I would think the httpd version would work before this one. Can someone explain this to me?

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• I need to understand why my server turned off

  - by Dema

  Our organization was robbed and definitely it was inside job. I was set up. I work as a manager and as system administrator in this organization and everything goes against me. The only clue I have is that someone accidentally or intentionally turned of a server that is in the office indicating that some one was inside at the time that no one should be. This is the only evidence I have that can justify me.  I looked the log files and they show that the Power button was pressed. Can you help me to find out that that was not a bug or systems overheat? I will post the log files and if you will ask more I will gladly provide the information. Messages: Dec 24 21:43:14 jamx shutdown[27883]: shutting down for system halt Dec 24 21:43:15 jamx init: Switching to runlevel: 0 Dec 24 21:43:15 jamx smartd[3047]: smartd received signal 15: Terminated Dec 24 21:43:15 jamx smartd[3047]: smartd is exiting (exit status 0) Dec 24 21:43:15 jamx avahi-daemon[3015]: Got SIGTERM, quitting. Dec 24 21:43:15 jamx avahi-daemon[3015]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::221:85ff:fe11:8221. Dec 24 21:43:15 jamx avahi-daemon[3015]: Leaving mDNS multicast group on interface eth0.IPv4 with address 82.207.41.239. Dec 24 21:43:15 jamx shutdown[27962]: shutting down for system halt Dec 24 21:43:15 jamx saslauthd[2983]: server_exit     : master exited: 2983 Dec 24 21:43:29 jamx nmbd[2921]: [2010/12/24 21:43:29, 0] nmbd/nmbd.c:terminate(58) Dec 24 21:43:29 jamx nmbd[2921]:   Got SIGTERM: going down... Dec 24 21:43:31 jamx clamd[2526]: Pid file removed. Dec 24 21:43:31 jamx clamd[2526]: --- Stopped at Fri Dec 24 21:43:31 2010 Dec 24 21:43:31 jamx clamd[2526]: Socket file removed. Dec 24 21:43:31 jamx mydns[2645]: jamx.org.ua up 9h44m48s (35088s) 117 questions (0/s) NOERROR=117 SERVFAIL=0 NXDOMAIN=0 NOTIMP=0 REFUSED=0 (100% TCP, 117 queries) Dec 24 21:43:31 jamx mydns[2645]: terminated Dec 24 21:43:34 jamx ntpd[2512]: ntpd exiting on signal 15 Dec 24 21:43:34 jamx hcid[2265]: Got disconnected from the system message bus Dec 24 21:43:35 jamx rpc.statd[2167]: Caught signal 15, un-registering and exiting. Dec 24 21:43:35 jamx portmap[28473]: connect from 127.0.0.1 to unset(status): request from unprivileged port Dec 24 21:43:35 jamx auditd[2021]: The audit daemon is exiting. Dec 24 21:43:35 jamx kernel: audit(1293219815.505:4044): audit_pid=0 old=2021 by auid=4294967295 Dec 24 21:43:35 jamx pcscd: pcscdaemon.c:572:signal_trap() Preparing for suicide Dec 24 21:43:36 jamx pcscd: hotplug_libusb.c:376:HPRescanUsbBus() Hotplug stopped Dec 24 21:43:36 jamx pcscd: readerfactory.c:1379:RFCleanupReaders() entering cleaning function Dec 24 21:43:36 jamx pcscd: pcscdaemon.c:532:at_exit() cleaning /var/run Dec 24 21:43:36 jamx kernel: Kernel logging (proc) stopped. Dec 24 21:43:36 jamx kernel: Kernel log daemon terminating. Dec 24 21:43:37 jamx exiting on signal 15 Acpid: [Fri Dec 24 21:43:14 2010] received event "button/power PWRF 00000080 00000001" [Fri Dec 24 21:43:14 2010] notifying client 2382[68:68] [Fri Dec 24 21:43:14 2010] executing action "/bin/ps awwux | /bin/grep gnome-power-manager | /bin/grep -qv grep || /sbin/shutdown -h now" [Fri Dec 24 21:43:14 2010] BEGIN HANDLER MESSAGES [Fri Dec 24 21:43:15 2010] END HANDLER MESSAGES [Fri Dec 24 21:43:15 2010] action exited with status 0 [Fri Dec 24 21:43:15 2010] completed event "button/power PWRF 00000080 00000001" [Fri Dec 24 21:43:15 2010] received event "button/power PWRF 00000080 00000002" [Fri Dec 24 21:43:15 2010] notifying client 2382[68:68] [Fri Dec 24 21:43:15 2010] executing action "/bin/ps awwux | /bin/grep gnome-power-manager | /bin/grep -qv grep || /sbin/shutdown -h now" [Fri Dec 24 21:43:15 2010] BEGIN HANDLER MESSAGES [Fri Dec 24 21:43:15 2010] END HANDLER MESSAGES [Fri Dec 24 21:43:15 2010] action exited with status 0 [Fri Dec 24 21:43:15 2010] completed event "button/power PWRF 00000080 00000002" [Fri Dec 24 21:43:34 2010] exiting

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• PCRE limits exceeded, but triggering rules are SQL related

  - by Wolfe

  [Mon Oct 15 17:12:13 2012] [error] [client xx.xx.xx.xx] ModSecurity: Rule 1d4ad30 [id "300014"][file "/usr/local/apache/conf/modsec2.user.conf"][line "349"] - Execution error - PCRE limits exceeded (-8): (null). [hostname "domain.com"] [uri "/admin.php"] [unique_id "UHx8LEUQwYEAAGutKkUAAAEQ"] And similar are spamming my error log for apache. It's only the admin side.. and only these two lines in the config: line 349: #Generic SQL sigs SecRule ARGS "(or.+1[[:space:]]*=[[:space:]]1|(or 1=1|'.+)--')" "id:300014,rev:1,severity:2,msg:'Generic SQL injection protection'" And line 356: SecRule ARGS "(insert[[:space:]]+into.+values|select.*from.+[a-z|A-Z|0-9]|select.+from|bulk[[:space:]]+insert|union.+select|convert.+\(.*from)" Is there a way to fix this problem? Can someone explain what is going on or if these rules are even valid to cause this error? I know it's supposedly a recursion protection.. but these protect against SQL injection so I'm confused.

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• Nginx Forward SSL for single site

  - by Will.brown

  I have a nginx server setup and it works fine for http however i would like to bypass the proxy for https connection. I want it so that when someone goes to my ip https:// ip1 (Nginx server) it bypasses ngix and forwards all traffic to https:// ip2(webserver) i do not need ngix to do this for any ssl website just one particular website. SO Client to https:// ip1 to https:/ /ip2 to https:// ip1 to client pc I just want the nginx to not intercept the connection and forward it on and on return forward the connection to client Im guessing i do this by nat mascarade buy not exactly sure how to do it and if i will need to tell nginx to ignore ssl aswell can someone help me please this has gone me stuck

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• virtualbox ftp hangs on list command

  - by Tiddo

  Hi all, I have virtual box installed on a windows 7 64-bit computer, with Cent OS 5.5 as guest os. I want to be able to use ftp between those. I've installed vsftpd on the guest os, and the guest os uses a nat connection with the host os for internet. So far, I am able to connect to the guest os using ftp (in filezilla), but after the list command is executed, nothing happens, until the command is timed out. This happens in both active and passive mode. I do have set a pasv_min/max_port in the vsftpd.conf file, listing is enabled, and the ports are redirected in virtualbox. Also the ftp_data_port is set to 20. I also tried setting the pasv_address, but I had to set it to 127.0.0.1, but than filezilla gives me this: Command: PASV Response: 500 OOPS: bad family Command: PORT 127,0,0,1,139,204 Response: 500 OOPS: child died Can someone help me with this?

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• Where is the Plesk Error Log / Or how can I get Plesk running again?

  - by Josh Pennington

  I currently have a VPS that is running Plesk and for some unknown reason it will not start. All the more information it gives me about it not starting is the following: Operation start with the VPS(s) VEID54635644 service "psa" is finished with errors: #703 Can not start/stop/restart service: service "psa" status is not "running" after command "start". This does really mean anything to me. Currently my server provider does not seem interested in helping me get Plesk running again so I am hoping I can get this going again on my own. I am assuming that there has to be an error log SOMEWHERE for Plesk, but the only thing I can find is located at /usr/local/psa/admin/logs/httpds_access_log and that just looks like an access log, not an error log (it is the only file in the directory). Is there another log somewhere in the system for this that I do not know about? Is there a way to find out why Plesk did not start? Thanks Josh Pennington

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• Silverstripe on souceforge project web

  - by Theundecided

  how do I install silverstripe on sourceforge for a project. I know I need a synlink...but I don't know how to? I have a htdocs folder that is read only (once on the server) that I can access via sftp it is accsesable via url I have a persistent folder that is rightable (once on the server) that I can access via sftp it is not accsesable via url I have a mysql credentials that are accseped during install but can't be finished because of no right accsess

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• How to create a snapshot volume to a remote server?

  - by Purres

  I want to backup a few virtual machines to a backup server. Here're the backup steps. suspend a virtual machine create a snapshot of the virtual machine using lvcreate -s resume a virtual machine dd if=/virtual_machine_path | lzop > /temp/backup.lzo rsync /temp/backup.lzo -e "ssh " 1.2.3.4:/backup_path/ However, the hypervisor server doesn't have enough hard disk space to create a snapshot in step 2. Is there a way to create a logical volume snapshot to a remote server?

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• Is there a server distro with the capability of syncing live data to multiple machines?

  - by Adam Hart

  Scenario: I have a main server that is used for pagebuilding/storing master data, and is accessed by a few clients on site. This company also has multiple branches with their own server that that connect to locally, but need to work with all the same data, and have it synchronized across all servers in real (or close) time. Is there a way/specific server OS that can sync live data across all of these servers? These servers would also need to be able to: Configure AFP, FTP, CIFS, SMB Continue to host their web server and database server in a Microsoft environment, but move the file server off to commodity hardware Just wondering if this is even possible.

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• I can't view my website in internet explorer browser after move from apache to nginx, while it work

  - by sauravdon

  After installation of nginx webserver, i run my website in firefox. It works good in firefox, i can see my website template is looks good, but in internet explorer it is not working properly, i can't see my webpage has text and images and every content in bad style. Like images are not loading, may be css is not working. Please help me to sort out this problem. Before this i was running my website on apache with different ip address and moved to nginx. Tanks saurav

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• CentOS5 python wrong ELF class: ELFCLASS32

  - by user788171

  Has anybody ever encountered this wrong ELF class error? The failure is provided in more detail below: [root@nocloud ~]# system-config-users Traceback (most recent call last): File "/usr/share/system-config-users/system-config-users.py", line 25, in ? import libuser ImportError: /usr/lib/python2.4/site-packages/libusermodule.so: wrong ELF class: ELFCLASS32 Can anybody tell me how I might possibly be able to fix this? It looks like python broke on my server.

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• configuration required for HIVE to be installed on a node

  - by ????? ????????

  I went through the process of manually installing ambari (not through SSH, because I couldnt get keyless to work) and everything installed OK, except for HIVE and GANGLIA. I got this message: stderr: None stdout: warning: Unrecognised escape sequence ‘\;’ in file /var/lib/ambari-agent/puppet/modules/hdp-hive/manifests/hive/service_check.pp at line 32 warning: Dynamic lookup of $configuration is deprecated. Support will be removed in Puppet 2.8. Use a fully-qualified variable name (e.g., $classname::variable) or parameterized classes. notice: /Stage[1]/Hdp::Snappy::Package/Hdp::Snappy::Package::Ln[32]/Hdp::Exec[hdp::snappy::package::ln 32]/Exec[hdp::snappy::package::ln 32]/returns: executed successfully notice: /Stage[2]/Hdp-hive::Hive::Service_check/File[/tmp/hiveserver2Smoke.sh]/ensure: defined content as ‘{md5}7f1d24221266a2330ec55ba620c015a9' notice: /Stage[2]/Hdp-hive::Hive::Service_check/File[/tmp/hiveserver2.sql]/ensure: defined content as ‘{md5}0c429dc9ae0867b5af74ef85b5530d84' notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/File[/tmp/hcatSmoke.sh]/ensure: defined content as ‘{md5}bae7742f7083db968cb6b2bd208874cb’ notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/Exec[hcatSmoke.sh prepare]/returns: 13/06/25 03:11:56 WARN conf.HiveConf: DEPRECATED: Configuration property hive.metastore.local no longer has any effect. Make sure to provide a valid value for hive.metastore.uris if you are connecting to a remote metastore. notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/Exec[hcatSmoke.sh prepare]/returns: FAILED: SemanticException org.apache.hadoop.hive.ql.parse.SemanticException: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/Exec[hcatSmoke.sh prepare]/returns: 13/06/25 03:12:06 WARN conf.HiveConf: DEPRECATED: Configuration property hive.metastore.local no longer has any effect. Make sure to provide a valid value for hive.metastore.uris if you are connecting to a remote metastore. notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/Exec[hcatSmoke.sh prepare]/returns: FAILED: SemanticException [Error 10001]: Table not found hcatsmokeida8c07401_date102513 notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/Exec[hcatSmoke.sh prepare]/returns: 13/06/25 03:12:15 WARN conf.HiveConf: DEPRECATED: Configuration property hive.metastore.local no longer has any effect. Make sure to provide a valid value for hive.metastore.uris if you are connecting to a remote metastore. notice: /Stage[2]/Hdp-hcat::Hcat::Service_check/Exec[hcatSmoke.sh prepare]/returns: FAILED: SemanticException o When i go to the alerts and health checks i’m getting this: ive Metastore status check CRIT for 42 minutes CRITICAL: Error accessing hive-metaserver status [13/06/25 03:44:06 WARN conf.HiveConf: DEPRECATED: Configuration property hive.metastore.local no longer has any effect. What am I doing wrong? I have already tried to do ambari-server reset on the the database without results.

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• configure monit on linux to monitor a process and then reboot

  - by Elad Dotan

  I would like monit to monitor my service and once it's stopped then I want the computer to reboot. The process don't have a certain port that I can monitor. This is what I did: check process chat with pidfile /var/run/chat.pid start program = "/etc/init.d/chat start" stop program = "/etc/init.d/chat stop" if changed ppid then exec /sbin/reboot I tried all sort of things but it only restart my service. Any suggestion.

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• How hard for a Software Developer to Maintain a Server

  - by Samy

  I'm a software developer and don't have much experience as a sysadmin. I developed a web app and was considering buying a server and hosting the web app on it. Is this a huge undertaking for a web developer? What's the level of difficulty of maintaining a server and keeping up with the latest security patches and all that kind of fun stuff. I'm a single user, and not planning to sell the service to others. Can someone also recommend an OS for my case, and maybe some good learning resources that's concise and not too overwhelming.

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• SSH Private Key Not Working in Some Directories

  - by uesp

  I have a strange issue where SSH won't properly connect with a private-key if the key file is in certain directories. I've setup the keys on a set of servers and the following command ssh -i /root/privatekey [email protected] works fine and I login to the given host without getting prompted by a password, but this command: ssh -i /etc/keyfiles/privatekey [email protected] gives me a password prompt. I've narrowed it down that this behavior occurs in only some sub-directories of /etc/. For example /etc/httpd1/ gives me a password prompt but /etc/httpd/ does not. What I've checked so far: All private key files used are identical (copied from the original file). The private key file and directories used have identical permissions. No relevant error messages in the server/client logs. No interesting debug messages from ssh -v (it just seems to skip the key file). It happens with connecting to different hosts. After more testing it is not the actual directory name. For example: mkdir /etc/test cp /root/privatekey /etc/test ssh -i /etc/test/privatekey [email protected] # Results in password prompt cp /root/privatekey /etc/httpd # Existing directory ls -ald test httpd # drwxr-xr-x 4 root root 4096 Mar 5 18:25 httpd # drwxr-xr-x 2 root root 4096 Mar 5 18:43 test ssh -i /etc/httpd/privatekey [email protected] # Results in *no* prompt rm -r test cp -R /etc/httpd /etc/test ssh -i /etc/test/privatekey [email protected] # Results in *no* prompt` I'm sure its just something simple I've overlooked but I'm at a loss.

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• php.ini date.timezone usefulness?

  - by Buttle Butkus

  I'm not sure if this is a question for serverfault or stackoverflow but it seems like it has a lot to do with server config. We have a server in chicago and the server's clock is on chicago time. But since the business is located in California, it would seem to make sense to use pacific time. What happens when server time is Chicago, and php.ini directive date.timezone is set to "America/Los_Angeles"? How will that affect logs written to mysql, error logs, etc? I've looked at the Apache error log and, as I expected, the php directive does not affect it. Times are all servertime. Thanks.

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• ntpdate cannot receive data

  - by Hengjie

  I have a problem where running ntpdate on my server doesn't return any data therefore I get the following error: [root@server etc]# ntpdate -d -u -v time.nist.gov 12 Apr 01:10:09 ntpdate[32072]: ntpdate [email protected] Fri Nov 18 13:21:21 UTC 2011 (1) Looking for host time.nist.gov and service ntp host found : 24-56-178-141.co.warpdriveonline.com transmit(24.56.178.141) transmit(24.56.178.141) transmit(24.56.178.141) transmit(24.56.178.141) transmit(24.56.178.141) 24.56.178.141: Server dropped: no data server 24.56.178.141, port 123 stratum 0, precision 0, leap 00, trust 000 refid [24.56.178.141], delay 0.00000, dispersion 64.00000 transmitted 4, in filter 4 reference time: 00000000.00000000 Thu, Feb 7 2036 14:28:16.000 originate timestamp: 00000000.00000000 Thu, Feb 7 2036 14:28:16.000 transmit timestamp: d3303975.1311947c Thu, Apr 12 2012 1:10:13.074 filter delay: 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 filter offset: 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 delay 0.00000, dispersion 64.00000 offset 0.000000 12 Apr 01:10:14 ntpdate[32072]: no server suitable for synchronization found I have tried Googling the 'no server suitable for synchronization found' error online and I have tried disabling my firewall (running iptables -L returns no rules). I have also confirmed with my DC that there are no rules that are blocking ntp (port 123). Does anyone have any ideas on how I may fix this? Btw, this is what the output should look like on a working server in another DC: 11 Apr 19:01:24 ntpdate[725]: ntpdate [email protected] Fri Nov 18 13:21:17 UTC 2011 (1) Looking for host 184.105.192.247 and service ntp host found : 247.conarusp.net transmit(184.105.192.247) receive(184.105.192.247) transmit(184.105.192.247) receive(184.105.192.247) transmit(184.105.192.247) receive(184.105.192.247) transmit(184.105.192.247) receive(184.105.192.247) transmit(184.105.192.247) receive(184.105.192.247) transmit(184.105.192.247) server 184.105.192.247, port 123 stratum 2, precision -20, leap 00, trust 000 refid [184.105.192.247], delay 0.18044, dispersion 0.00006 transmitted 4, in filter 5 reference time: d330364e.e956694f Wed, Apr 11 2012 18:56:46.911 originate timestamp: d3303765.8702d025 Wed, Apr 11 2012 19:01:25.527 transmit timestamp: d3303765.73b213e3 Wed, Apr 11 2012 19:01:25.451 filter delay: 0.18069 0.18044 0.18045 0.18048 0.18048 0.00000 0.00000 0.00000 filter offset: -0.00195 -0.00197 -0.00211 -0.00202 -0.00202 0.000000 0.000000 0.000000 delay 0.18044, dispersion 0.00006 offset -0.001970

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• Shrink a mounted LVM partition

  - by javanix

  I fear I already know the answer to this question, but here goes. I need to carve out a new partition on a running system. /var/ is mounted from an LVM volume (hdd1_vg-var) and has only 3% used disk space. / is mounted separately (hdd1_vg-root) and has about 80% used disk space. Filesystem Size Used Avail Use% Mounted on /dev/**/hdd1_vg-root 2.0G 1.4G 481M 75% / /dev/**/hdd1_vg-var 33G 699M 31G 3% /var Unfortunately I don't have any free extents to grow this partition organically - vgdisplay shows: Total PE 10000 Alloc PE / Size 10000 / 39.06 GB Free PE / Size 0 / 0 So seeing that I have all this free disk space on /var/, can I shrink /var/ without un-mounting it or is this just a pipe dream? I am really hoping to be able to do this work on a running system - un-mounting would of course not be difficult but it would interfere with system functionality.

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• Getting Pango-WARNING: Invalid UTF-8 string passed to pango_layout_set_text()

  - by geerlingguy

  About three days ago, I noticed the exim mailqueue started filling up on one of my servers, and upon inspecting some of the emails using # exim -Mvb $ID, I noticed they were being sent to some system email address (which is not a real address), and the body of the messages were as follows: (process:8259): Pango-WARNING **: Invalid UTF-8 string passed to pango_layout_set_text() I'm wondering what could be causing this strange issue, as I've never heard of 'pango' at all... I've never seen that function used in my lifetime! It seems the process id (PID) is for an apache process, though, as the pids are always gone by the time I use # ps -aux to look them up. Edit: Whoops! Forgot to include the subject - looks like it's actually munin-cron that's bringing up the issue: Subject: Cron /usr/bin/munin-cron --force-root

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• Script execution flow stopped?

  - by vijay.shad

  Hi all, Now my script is able to start server, But I am still have some problem with my script. When the start server command is executed, the control does not pass the line and does not execute further of that line. Please tell me what is the problem and how can I get smooth execution of the my script.

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