BBERWEB

hello there, i've just set up prestashop on my linux server but i had the following problem when trying to change the localhost to domain everytime i connect to the domain i get this error (i activated dev_mode): [PrestaShopException] Link to database cannot be established:SQLSTATE[HY000] [2002] Connection refused at line 102 in file classes/db/DbPDO.php 97. public function connect() 98. { 99. try { 100. $this->link = $this->_getPDO($this->server, $this->user, $this->password, $this->database, 5); 101. } catch (PDOException $e) { 102. throw new PrestaShopException('Link to database cannot be established:'.$e->getMessage()); 103. } 104. 105. // UTF-8 support 106. if ($this->link->exec('SET NAMES \'utf8\'') === false) { 107. throw new PrestaShopException('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.'); DbPDOCore->connect - [line 323 - classes/db/Db.php] DbCore->__construct - [line 234 - classes/db/Db.php] - [4 Arguments] DbCore::getInstance - [line 48 - config/alias.php] pSQL - [line 339 - classes/shop/Shop.php] - [1 Arguments] ShopCore::initialize - [line 120 - config/config.inc.php] require - [line 27 - index.php] - [1 Arguments] believe me when i say that i tried everything to fix it, this is my parameters.php <?php return array ( 'parameters' => array ( 'database_host' => '192.168.1.55', 'database_port' => '', 'database_name' => 'OneTradeDB', 'database_user' => 'root', 'database_password' => '****', 'database_prefix' => 'OT_',