Fix: Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’

ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’
if you are new to installing mysql server you might probably face this error quite often if you type mysql in the shell prompt.
> mysql
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’
To fix:
First start the mysql daemon, then type mysql […]