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

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

$ sudo npm update grunt-istanbul

Update package globally,

$ npm install -g grunt-istanbul

Git clone:

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

$ sudo  npm install -g ./grunt-istanbul

grunt-istanbul@0.8.0 /usr/lib/node_modules/grunt-istanbul

How to remove grunt-istanbul package :

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

$ sudo npm uninstall grunt-istanbul

Basic Information of grunt-istanbul NPM Package: