How to Install Node.js 20 on Ubuntu 22.04, 20.04, and 18.04 for Intel x64, AMD, and ARM64 CPUs

In this story, we will learn how to install Node.js v20.x unattended in Ubuntu 22.04, 20.04, and 18.04, running on Intel/AMD and ARM64 CPUs.

Remove the Oldest Installed Version of Node.js

Optional step: remove the oldest versions of Node.js before installing the Node.js version 20.x, using the BASH command below:

sudo apt-get remove nodejs

How to install NodeJS in Ubuntu Intel/AMD CPUs:

Below are the sentences required to install Node.js version 20.x in INTEL/AMD CPUs:

sudo apt update
sudo apt install -y ca-certificates curl gnupg
sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
NODE_MAJOR=20
echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
sudo apt update
sudo apt install -y nodejs

How to install NodeJS in Ubuntu ARM64 CPUs: