[FIXED]"MySQL is running but PID file could not be found" error

While restarting MySQL service, you may get the error below ,

"MySQL is running but PID file could not be found"

In order to to fix this error , Lets try to do the below steps,

1) Create the directory " var/run/mysql ".

# mkdir /var/run/mysql

2) Now create  file " mysqld.pid " .

# touch mysqld.pid

3) change its ownership of " mysqld.pid " to "mysql:mysql "

# chown mysql:mysql mysqld.pid

4) Restart MySQL service by,

# /etc/init.d/mysql start

That's it, try this and let me know you've get the result. :-)