$ sudo npm install grunt
$ sudo npm install -g grunt

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

$ sudo npm update grunt

Update package globally,

$ npm install -g grunt

Git clone:

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

$ sudo  npm install -g ./grunt

grunt@1.0.1 /usr/lib/node_modules/grunt

How to remove grunt package :

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

$ sudo npm uninstall grunt

Basic Information of grunt NPM Package: