$ sudo npm install loopback
$ sudo npm install -g loopback

If want to update the loopback package execute the command as below,

$ sudo npm update loopback

Update package globally,

$ npm install -g loopback

Git clone:

$ sudo  git clone https://github.com/rektide/loopback.git

$ sudo  npm install -g ./loopback

loopback@3.16.2 /usr/lib/node_modules/loopback

How to remove loopback package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall loopback

Basic Information of loopback NPM Package: