HHVM is an open-source virtual machine designed for executing programs written in PHP. HHVM stands for HipHop Virtual Machine and it was initially developed by Facebook to boost up their application performance, and for those who don’t know MariaDB is a drop-in replacement for MySQL. In this tutorial we will show you step by step how to install WordPress with HHVM, Nginx and MariaDB on an Ubuntu 12.04 LTS VPS.