ERROR: PleskFatalException

[xiione]

Hello

I need help
my system / Ubuntu 10.04

ERROR: PleskFatalException
Unable to connect to database: mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: No such file or directory

0: common_func.php3:153
psaerror(string 'Unable to connect to database: mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: No such file or directory')
1: auth.php3:116

my english is not so good
i need a solution

thanks

 

[xiione]

i solved it

i renamed the etc/mysql/my.cnf.bak to my.cnf