Warning: mysqli_connect() [function.mysqli-connect]: [2002] Connection refused (trying to connect via unix:///tmp/mysql.sock) in /home/suenosdes/domains/suenosdesur.com/secure/suenosdesur/db_functs.php on line 16

Warning: mysqli_connect() [function.mysqli-connect]: (HY000/2002): Connection refused in /home/suenosdes/domains/suenosdesur.com/secure/suenosdesur/db_functs.php on line 16

Warning: mysqli_error() expects exactly 1 parameter, 0 given in /home/suenosdes/domains/suenosdesur.com/secure/suenosdesur/db_functs.php on line 16
I cannot connect to the database because:
Warning: Unknown: open(/tmp/sess_npmtj0pv382v4vm9hi32lgu756, O_RDWR) failed: No space left on device (28) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct () in Unknown on line 0