install the latest node js code example

Example 1: debian install node js

su -
apt install curl -y
curl -sL https://deb.nodesource.com/setup_14.x | bash -
apt install -y nodejs

Example 2: 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