$ sudo npm install username
$ sudo npm install -g username

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

$ sudo npm update username

Update package globally,

$ npm install -g username

Git clone:

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

$ sudo  npm install -g ./username

username@3.0.0 /usr/lib/node_modules/username

How to remove username package :

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

$ sudo npm uninstall username

Basic Information of username NPM Package: