$ sudo npm install qr-image
$ sudo npm install -g qr-image

If want to update the qr-image package execute the command as below,

$ sudo npm update qr-image

Update package globally,

$ npm install -g qr-image

Git clone:

$ sudo  git clone https://github.com/rektide/qr-image.git

$ sudo  npm install -g ./qr-image

qr-image@3.2.0 /usr/lib/node_modules/qr-image

How to remove qr-image package :

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

$ sudo npm uninstall qr-image

Basic Information of qr-image NPM Package: