Warning: mysqli_connect(): (HY000/2002): Connection refused in /var/www/html/tux_scripts/old_config.php on line 20

Fatal error: Uncaught TypeError: mysqli_error(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/www/html/tux_scripts/old_config.php:22 Stack trace: #0 /var/www/html/tux_scripts/old_config.php(22): mysqli_error() #1 /var/www/html/base_basement.php(2): require('...') #2 /var/www/html/index.php(81): require('...') #3 {main} thrown in /var/www/html/tux_scripts/old_config.php on line 22