OpenVZ 7 Upgrade Error !

While upgrading OpenVZ server I got an error as below : ==== –> Finished Dependency Resolution Error: Package: 10:qemu-kvm-vz-2.9.0-16.3.vz7.8.x86_64 (factory) Requires: You could try using –skip-broken to work around the problem ** Found 1 pre-existing rpmdb problem(s), ‘yum check’ output follows: grub2-theme-openvz-1.4-1.vl7.noarch has installed conflicts grub2-theme-openvz: grub2-theme-openvz-1.4-1.vl7.noarch ==== This is a known bug and… Continue reading OpenVZ 7 Upgrade Error !

Disable MySQL strict mode!

We recently migrated WHMCS to latest CentOS 7 server with cPanel. The WHMCS ClientArea showed White screen when “Client logins were used”. We found that the server had MySQL strict mode enabled which was causing this problem. I disabled MySQL strict mode as below : Edited /usr/my.cnf and changed below value : sql_mode=NO_ENGINE_SUBSTITUTION,NO_AUTO_CREATE_USER Restarted MySQL… Continue reading Disable MySQL strict mode!

cPanel : SSHD Rootkit

We have been seeing this SSHD rootkit from time to time with much improved versions 🙂 One could see number of SSH processes on the server with nothing under process details. There is a huge discussion thread at WHT The current one which I have seen today was with keyutils-libs legit version name. However… Continue reading cPanel : SSHD Rootkit

Another MySQL daemon already running with the same unix socket.

After upgrading MySQL binaries mysqld will not start at all any more and shows below error : CT-1977-bash-4.1# service mysqld start Another MySQL daemon already running with the same unix socket. Starting mysqld: [FAILED] CT-1977-bash-4.1# MySQL service does not shut down gracefully during the OS reboot, leaving the old /var/lib/mysql/mysql.sock such that mysqld will not… Continue reading Another MySQL daemon already running with the same unix socket.

Virtuozzo : RTNETLINK answers: Operation not supported

Here is a new bug which I faced on virtuozzo 4 and 4.6 for Centos 6 VPS. VPS fails to add IP during start or networking fails when network is restarted : -bash-4.1# /etc/init.d/network restart Shutting down loopback interface: [ OK ] Bringing up loopback interface: RTNETLINK answers: Operation not supported Failed to bring up… Continue reading Virtuozzo : RTNETLINK answers: Operation not supported

Categorized as Virtuozzo

cPanel : /root/ Inode issue!

Today I had an issue on / with shortage of disk inodes on a cPanel dedicated server. In computing, an inode is a data structure on a traditional Unix-style file system such as UFS. An inode stores basic information about a regular file, directory, or other file system object. In layman’s term – Every time… Continue reading cPanel : /root/ Inode issue!

Categorized as cPanel

wp-cron.php – High CPU usage

What is wp-cron.php ? This file is a PHP script which runs all the automated tasks that let WordPress do all it’s wonderful tricks. Some examples include:   Posting content when it is scheduled to be posted at specific times Check all pending comments for spam (if you have plugins like Akismet running) Send emails… Continue reading wp-cron.php – High CPU usage

Categorized as Wordpress

cPanel :: cPHulk error – Error while connecting to MySQL

WHM shows below error for cPHulk Brute Force Protection : ========= cPHulk Brute Force Protection Mysql is currently disabled. To enable mysql go to: Service Manager Once there check Enable and Monitor for mysql. Then at the bottom of the page click save. ========= Running below command should fix the issue : /usr/local/cpanel/bin/hulkdsetup Sample Output… Continue reading cPanel :: cPHulk error – Error while connecting to MySQL

Categorized as cPanel