debian update nodejs code example

Example 1: debian install npm

# Debian installing Node.JS and NPM package manager
sudo apt update
sudo apt install nodejs npm

Example 2: ubuntu update nodejs

# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt-get install -y nodejs

# Using Debian, as root
curl -sL https://deb.nodesource.com/setup_12.x | bash -
apt-get install -y nodejs