$ sudo npm install gulp-coveralls
$ sudo npm install -g gulp-coveralls

If want to update the gulp-coveralls package execute the command as below,

$ sudo npm update gulp-coveralls

Update package globally,

$ npm install -g gulp-coveralls

Git clone:

$ sudo  git clone https://github.com/rektide/gulp-coveralls.git

$ sudo  npm install -g ./gulp-coveralls

gulp-coveralls@0.1.4 /usr/lib/node_modules/gulp-coveralls

How to remove gulp-coveralls package :

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

$ sudo npm uninstall gulp-coveralls

Basic Information of gulp-coveralls NPM Package: