Warning: mysql_connect(): No such file or directory in /var/www/html/en/database.php on line 2

Warning: mysql_select_db() expects parameter 2 to be resource, boolean given in /var/www/html/en/database.php on line 3
Cannot select database.
Notice: Undefined variable: id in /var/www/html/en/siena_accommodation.php on line 6

Warning: mysql_query() expects parameter 2 to be resource, boolean given in /var/www/html/en/dblib.php on line 35
Query fallita : No such file or directory