Try this procedure to fix mysql.sock error: Cpanel Posted By : at 2008-05-08 13:43:00
cd /var/lib/mysql touch mysql.sock chown mysql:mysql mysql.sock chmod 1777 mysql.sock now make a sym link into /tmp ln -s /var/lib/mysql/mysql.sock /tmp then chmod 1777 /tmp now /scripts/mysqlup –force now just restart mysql...
