Step-by-step – Node Js Ubuntu 18.04 Installation

Installing

2. 2. Setting Up Node JS Repository

   How to Add Node JS Ubuntu-based Repository

   Ubuntu NodeJS PPA Setup

   Node JS Ubuntu GNU/Linux Repository Setup Guide

3. 3. Installing Node JS

   Finally, to Install Node.js on Ubuntu
   Simply play:

   sudo apt install nodejs

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.
   (Optional) Requirement for Installing npm Addons use:

   sudo apt install build-essential