$ sudo npm install karma-sauce-launcher
$ sudo npm install -g karma-sauce-launcher

If want to update the karma-sauce-launcher package execute the command as below,

$ sudo npm update karma-sauce-launcher

Update package globally,

$ npm install -g karma-sauce-launcher

Git clone:

$ sudo  git clone https://github.com/rektide/karma-sauce-launcher.git

$ sudo  npm install -g ./karma-sauce-launcher

karma-sauce-launcher@1.2.0 /usr/lib/node_modules/karma-sauce-launcher

How to remove karma-sauce-launcher package :

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

$ sudo npm uninstall karma-sauce-launcher

Basic Information of karma-sauce-launcher NPM Package: