How to Install Node.js on Ubuntu 18.04

Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. It allows you to run JavaScript code on the server side, and it is widely used in web application development.

To install Node.js on Ubuntu 18.04, you can follow these steps:

1. Open a terminal on your Ubuntu system.
2. Update the package index by running the following command: sudo apt update
3. Install the necessary packages to manage software repositories by running: sudo apt install curl software-properties-common
4. Add the Node.js PPA (Personal Package Archive) to your system by running: curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
5. Install Node.js and npm (Node Package Manager) by running: sudo apt install nodejs
6. To verify the installation, you can check the installed versions by running: node -v and npm -v

Node.js and npm should now be installed on your Ubuntu 18.04 system. You can start using Node.js to develop and run JavaScript applications.