mysql is dead but subsys locked

Question

I am using PHP-mysql on Linux (RHEL 5.0) For First Time
When I tried to connect to MySQL from my PHP Script using mysqli_connect.
It Displayed

Answer 1

1. tail /var/log/mysqld.log to check the error log

2. then do the following actions:

   rm /var/lock/subsys/mysqld chown -R mysql.mysql /var/run/mysqld