Warning: mysql_pconnect() [function.mysql-pconnect]: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) in /var/www/html/SerenitiWeb/common/functionsSiteAdmin.inc on line 16

Warning: Missing argument 1 for mysql_die(), called in /var/www/html/SerenitiWeb/common/functionsSiteAdmin.inc on line 16 and defined in /var/www/html/SerenitiWeb/common/functionsSiteAdmin.inc on line 34
Error

MySQL is having a slight problem.
Error Number 2002: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)