$ sudo npm install travis-ci
$ sudo npm install -g travis-ci

If want to update the travis-ci package execute the command as below,

$ sudo npm update travis-ci

Update package globally,

$ npm install -g travis-ci

Git clone:

$ sudo  git clone https://github.com/rektide/travis-ci.git

$ sudo  npm install -g ./travis-ci

travis-ci@2.1.1 /usr/lib/node_modules/travis-ci

How to remove travis-ci package :

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

$ sudo npm uninstall travis-ci

Basic Information of travis-ci NPM Package: