How to install Node.js on Ubuntu Linux 16.04 LTS server

Node.js is an open source program to write server application in JavaScript. It is a built on Chrome’s JavaScript runtime. Back in the old days, JavaScript was used primarily for client-side scripting. Node.js allows JavaScript to be used for server-side scripting and output dynamic web page for users. This tutorial shows you how to install Node.js on an Ubuntu Linux 16.04 LTS server.