Introduction¶ This article provides step-by-step instructions for installing Cerb on an Ubuntu 14.04 LTS server with Nginx as a webserver and PHP-FPM (PHP5 FastCGI Process Manager) for executing PHP code. The Nginx + PHP-FPM combination has several advantages over Apache2 + mod_php5: Nginx often uses less memory than Apache because it performs a more specific task with less overhead. This makes it