$ sudo npm install node-slack
$ sudo npm install -g node-slack

If want to update the node-slack package execute the command as below,

$ sudo npm update node-slack

Update package globally,

$ npm install -g node-slack

Git clone:

$ sudo  git clone https://github.com/rektide/node-slack.git

$ sudo  npm install -g ./node-slack

node-slack@0.0.7 /usr/lib/node_modules/node-slack

How to remove node-slack package :

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

$ sudo npm uninstall node-slack

Basic Information of node-slack NPM Package: