npm downloads code example
Example 1: install npm
npm install -g npm
Example 2: download npm package
$ npm install download
Example 3: install npm
curl -sL https://deb.nodesource.com/setup_6.x | sudo bash -
curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
sudo apt-get install -y nodejs
sudo apt-get install -y npm