PHP MongoDB (Mongo Database) Driver Installation on Linux, UNIX, BSD and Mac OS X MongoDB PHP driver is very simple install on Linux, UNIX, BSD and Mac OS X. You need just PEAR (PHP Extension and Application Repository) with PECL repository. Normally PHP development (dev) package and PHP Pear package installation from package management system is enough to get PEAR working. Also go-pear.php script can be used. Check that the PEAR and PECL are working with the following commands: