Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/ubuntu/mm/home_page/stuffi.php on line 14

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/ubuntu/mm/home_page/stuffi.php on line 14

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /home/ubuntu/mm/home_page/stuffi.php on line 15
Unable to connect to MySQL: