$ sudo npm install lighthouse
$ sudo npm install -g lighthouse

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

$ sudo npm update lighthouse

Update package globally,

$ npm install -g lighthouse

Git clone:

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

$ sudo  npm install -g ./lighthouse

lighthouse@2.6.0 /usr/lib/node_modules/lighthouse

How to remove lighthouse package :

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

$ sudo npm uninstall lighthouse

Basic Information of lighthouse NPM Package: