按照 https://insready.com/zh-hans/blog/%E6%90%AD%E5%BB%BAnginx-microcaching-mariadbmysql-php-fpm-debian-6-apc-memcache-drupal-7-%E6%9C%8D%E5%8A%A1%E5%99%A8 安装drupal 7.23版本时，无法进行安装， 错误提示：

Database support Disabled Your web server does not appear to support any common PDO database extensions. Check with your hosting provider to see if they support PDO (PHP Data Objects) and offer any databases that Drupal supports.

请问如何设置 ？