In this guide we will show you how install HumHub on an Ubuntu VPS with Nginx and MariaDB. HumHub is a flexible open source social network application written in PHP on top of the Yii framework. HumHub has a bunch of great features such sharing documents and files, responsive design, user spaces, activity stream and many more. This should work on other Linux VPS systems as well but was tested and written for Ubuntu 14.04 VPS.