Zainstalowałem na debianie i i mam takie cos

Warning: mysql_connect(): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) in /var/www/lib/LMSDB_driver_mysql.class.php on line 49

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /var/www/lib/LMSDB_driver_mysql.class.php on line 82

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /var/www/lib/LMSDB_driver_mysql.class.php on line 64

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /var/www/lib/LMSDB_driver_mysql.class.php:49) in /var/www/lib/Session.class.php on line 42

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /var/www/lib/LMSDB_driver_mysql.class.php:49) in /var/www/lib/Session.class.php on line 42

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /var/www/lib/LMSDB_driver_mysql.class.php on line 82

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /var/www/lib/LMSDB_driver_mysql.class.php on line 64

Warning: Cannot modify header information - headers already sent by (output started at /var/www/lib/LMSDB_driver_mysql.class.php:49) in /var/www/index.php on line 187

Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in /var/www/lib/LMSDB_driver_mysql.class.php on line 82

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /var/www/lib/LMSDB_driver_mysql.class.php on line 64

nie mam zielonego pojecia od czego to jest jakies pomysły ??