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Category: Issues

23 October 2015

SVN Repository Corruption – SVNREPO/db/current

Written by Rahul
Recently one of repository on my SVN server is got corrupted. After checking we found that there was issue with svnrepo/db/current file was got corrupted due to bad sectors in my hardisk. I tried to checkout this repository but failed. How to Recover Corrupted SVN Repository – Before start recovery we should know about...
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29 April 2015

The login is invalid – WHM/cPanel

Written by Rahul
Today I have installed new WHM/cPanel server on an AWS instance. Generally AWS servers are used key based login for ssh users and users don’t have root password. So I have manually reset root password through command line. After installation of cPanel when I tried to login to WHM using web browser I got...
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29 April 2015

ERROR: Site example.com does not exists! – Apache a2ensite command

Written by Rahul
Problem: ERROR: Site example.com does not exists! This error I have faced when created a new virtual host in Apache on my Ubuntu system. I create a virtual host configuration file in /etc/apache2/sites-available/ directory with name example.com. Now I tried to enable the website using a2ensite command and faced the following issue. a2ensite example.com...
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06 February 2015

Error installing mysql2 Gem on Linux

Written by Rahul
Error: I have faced following issues during installation of MySQL gem on Linux systems. # gem install mysql2 -v '0.3.18' Building native extensions. This could take a while... ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. /usr/local/rvm/rubies/ruby-2.1.2/bin/ruby extconf.rb checking for ruby/thread.h... yes checking for rb_thread_call_without_gvl() in ruby/thread.h... yes checking for rb_thread_blocking_region()......
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14 December 2014

Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

Written by Rahul
Error: Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (2) This is a common issue faced by MySQL administrators generally. I have also faced this issue many times on various server and almost I fixed this issues using one of below given solutions. We hope following solutions will fix your issue also. Cause...
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21 March 2014

CHECK_NRPE: Error – Could not complete SSL handshake.

Written by Rahul
While connecting to remote server from Nagios server using NRPE, Some times we faced this issue “CHECK_NRPE: Error – Could not complete SSL handshake.” If you see this error, don’t panic. This issue can be solve easily within minute. Issue/Error: Getting error “CHECK_NRPE: Error – Could not complete SSL handshake” while connecting nagios server...
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26 July 2013

pg_restore: [archiver] input file does not appear to be a valid archive

Written by Rahul
If you are getting above error while restoring backup of database in postgresql. This error means you have taken backup in plain text format. Error: pg_restore: [archiver] input file does not appear to be a valid archive Solution: To restore plain text backup using below command. Backup filename: backup-db.txt Database name: mydb # cat...
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26 June 2013

/tmp folder 100% full ( cPanel )

Written by Rahul
Issue: Today, I found that /tmp was showing 100% full but, After deleting all files from /tmp it was still showing full. After google it, I found that there are some file which deleted from /tmp folder but still used by process used all space. Generally these files used by apache or mysql. Use...
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26 June 2013

Exception printing is disabled by default for security reasons. Error log record number: xxxxxx

Written by Rahul
While installing magento, if you face issue like below, This the is known issue Error: Exception printing is disabled by default for security reasons. Error log record number: xxxxxx Solution: Step 1. Go to /errors/ folder in magento document root. Step 2. Copy local.xml.sample as local.xml # cp local.xml.sample local.xml Step 3. Edit magento/lib/Zend/Cache/Backend/File.php...
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24 June 2013

ffmpeg: error while loading shared libraries: libavdevice.so.55: cannot open shared object file: No such file or directory

Written by Rahul
Error: I faced following error after installing ffmpeg on our CentOS 6.5 server. ffmpeg: error while loading shared libraries: libavdevice.so.55: cannot open shared object file: No such file or directory Solution: In my case this issue comes, when we don’t not added codecs libraries path in ldconfig. I have fixed it by adding following...
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