sudo apt-get install nodejs npm code example

Example 1: ubuntu install node js

curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
sudo apt install nodejs
sudo apt install npm
sudo apt update

Example 2: install npm ubuntu

sudo apt update
sudo apt install nodejs
sudo apt install npm

Example 3: install node js lts ubuntu 18.04

// Enabling NodeSource Repository
// replace %V% with desired major version
curl -sL https://deb.nodesource.com/setup_%V%.x | sudo bash -
// Install using apt-get
sudo apt-get install -y nodejs
// check installed node version
node --version