$ sudo npm install pusher
$ sudo npm install -g pusher

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

$ sudo npm update pusher

Update package globally,

$ npm install -g pusher

Git clone:

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

$ sudo  npm install -g ./pusher

pusher@1.5.1 /usr/lib/node_modules/pusher

How to remove pusher package :

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

$ sudo npm uninstall pusher

Basic Information of pusher NPM Package: