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Installing Node.js on Ubuntu is a simple procedure that requires only a few steps. Node.js is a popular JavaScript runtime based on Chrome’s V8 JavaScript engine that is commonly used for developing server-side applications. This tutorial will help you through the installation steps. Let’s have a look at the steps for install Node.js on Ubuntu.

Prerequisites

Before you start, make sure you have the following:

– A version of Ubuntu, preferred version v18.04 or later

– A user account with sudo privileges.

– Basic Knowledge of Linux terminal commands.

– Internet access.

Step 1: Update Your System

Many developers choose Node.js for web application development project, to do that following process needs to be followed. Before installing any new software, it’s always a good practice to update your system’s package index to ensure you have the latest versions of packages and their dependencies.

Open your terminal and run:

sudo apt updatesudo apt upgrade -y

Step 2: Install Node.js on Ubuntu

We’ll go over the two most prevalent methods: utilizing the NodeSource repository and NVM (Node Version Manager).

Method 1: Using the NodeSource Repository

Add NodeSource Repository

The easiest way to install Node.js on Ubuntu is using the official Ubuntu repository. To add it, run the following command:

curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash –

This command fetches and executes the NodeSource installation script.

Install Node.js on Ubuntu

After adding the repository, install Node.js using:

sudo apt install -y nodejs

This command installs both `node` and `npm` (Node Package Manager).

Verify Installation

Verify the installation by checking the versions:

node -v

npm -v

nvm -v

You should see output similar to:

V20.x.x

9.x.x

Method 2: Using NVM (Node Version Manager)

Install NVM

NVM is a script-based solution that lets you manage various active Node.js versions. This is very important when you need to move between Node.js versions.

Download and install NVM using the following command:

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash

To start using NVM, you need to source your profile:

source ~/.bashrc

Install Node.js on Ubuntu with NVM

With NVM installed, you can install the latest LTS (Long Term Support) version of Node.js:

nvm install –lts

Verify Installation

Check the installed versions of Node.js and npm:

node -v
node -v
npm -v
nvm -v

The output should reflect the versions you installed using NVM.

Step 3: Manage Node.js Versions (Optional)

If you installed Node.js using NVM, you can easily switch between different versions:

List Installed Versions

Command:nvm ls

Use a Specific Version

nvm use 14.17.0

Set Default Version

nvm alias default 20.19.1

Conclusion

Congratulations! You have successfully installed Node.js on your Ubuntu machine. Whether you utilize the NodeSource repository or NVM, you now have an effective tool for developing scalable network applications.

Additional Tips

To update Node.js run the following command

sudo apt update && sudo apt install nodejs

To uninstall Node.js, run the following command

sudo apt purge nodejs

To install specific version of Node.js using NVM, run the following command

nvm install <version>.

Rajan Shah

Technical Manager

Rajan Shah is a Technical Manager at Solution Analysts. He brings almost a decade of experience and a genuine passion for software development to his role. He’s a skilled problem solver with a keen eye for detail, his expertise spans in a diverse range of technologies including Ionic, Angular, Node.js, Flutter, and React Native, PHP, and iOS.