Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/lesson/db.inc.php:3
Stack trace:
#0 /var/www/lesson/db.inc.php(3): mysqli->__construct()
#1 /var/www/lesson/skills.php(3): include('...')
#2 {main}
thrown in /var/www/lesson/db.inc.php on line 3