Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'The PDO extension is required for this adapter but the extension is not loaded' in /var/www/magento/public/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php:342 Stack trace: #0 /var/www/magento/public/magento/lib/Zend/Db/Adapter/Abstract.php(247): Zend_Db_Adapter_Pdo_Abstract->setFetchMode(2) #1 /var/www/magento/public/magento/app/code/core/Mage/Core/Model/Resource.php(163): Zend_Db_Adapter_Abstract->__construct(Array) #2 /var/www/magento/public/magento/app/code/core/Mage/Core/Model/Resource.php(108): Mage_Core_Model_Resource->_newConnection('pdo_mysql', Object(Mage_Core_Model_Config_Element)) #3 /var/www/magento/public/magento/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(318): Mage_Core_Model_Resource->getConnection('core_write') #4 /var/www/magento/public/magento/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(348): Mage_Core_Model_Resource_Db_Abstract->_getConnection('write') #5 /var/www/magento/public/magento/app/code/core/Mage/Core/ in /var/www/magento/public/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php on line 342