SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111)

• index.php (22) Bootstrap::controller()
• System/Bootstrap.php (87) Controller->__construct()
• System/Classes/Controller.php (25) NewsController->junior()
• Applications/Modules/News/NewsController.php (20) NewsModel->getNewsFromCategory()
• Applications/Modules/News/NewsModel.php (52) Model::getInstance()
• System/Classes/Model.php (19) PDO->__construct()