Run the following command to find the SQL rpms that were installed on your server:
rpm -qa | grep -i sql
2) Remove the necessary MySQL rpms uisng yum.
Example: yum remove MySQL55-shared-5.5.30-3.cp1136.x86_64 MySQL55-client-5.5.30-3.cp1136.x86_64 MySQL55-devel-5.5.30-3.cp1136.x86_64 MySQL55-test-5.5.30-3.cp1136.x86_64
3) Then delete the MySQL PID file(s) using this command:
rm -f /var/lib/mysql/*.pid
4) Finally run following script to install the cPanel compatible MySQL rpms:
/scripts/check_cpanel_rpms --fix
