Node.js is an open-source, cross-platform JavaScript runtime environment for developing server-side scalable applications. The Node Package Manager (NPM) is an essential tool for managing libraries, dependencies, and scripts in a Node.js project. By installing Node.js and NPM on your server, you can use JavaScript as a server-side language. This article explains how to install Node.js and NPM on Ubuntu 20.04. You will install both Node.js and NPM using the NodeSource PPA and run multiple version......