Node.js is an opensource cross-platform JavaScript run-time environment for server-side execution of JavaScript code. It’s built on Chrome’s JavaScript engine so it can be used to build different types of server-side application. npm is the very popular and default package manager for Node.js with large number of packages. In this tutorial, we will learn how to install Node.js and npm on Debian 9. Install Node.js and npm on Debian There are multiple ways to install Node.js and npm on your Debian 9 systems. You can follow any of following to install: Install Node.js from NodeSource Repository NodeSource provides a repository containing latest version of Node.js and npm. It’s very simple to install Node.js and npm from NodeSource. At first, you need to add NodeSource repository on your system using following curl command: curl -sL https://deb.nodesource.com/setup_10.x | sudo bash - NOTE : The latest LTS version of Node.js is 10.x if you want to install ...