How to Install Linux Dash on an Ubuntu VPS with Nginx and Password Protect it

Linux Dash is a low-overhead server statistics monitoring application written in PHP. It is intended for anyone looking for a lightweight, easy to deploy server monitoring and view server resource usage via web interface in real time. In this step-by-step tutorial, we will show you how to install Linux Dash on an Ubuntu 14.04 VPS with Nginx and password protect the statistics pages.