$ sudo npm install rollbar
$ sudo npm install -g rollbar

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

$ sudo npm update rollbar

Update package globally,

$ npm install -g rollbar

Git clone:

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

$ sudo  npm install -g ./rollbar

rollbar@2.3.1 /usr/lib/node_modules/rollbar

How to remove rollbar package :

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

$ sudo npm uninstall rollbar

Basic Information of rollbar NPM Package: