$ sudo npm install qrcode-npm
$ sudo npm install -g qrcode-npm

If want to update the qrcode-npm package execute the command as below,

$ sudo npm update qrcode-npm

Update package globally,

$ npm install -g qrcode-npm

Git clone:

$ sudo  git clone https://github.com/rektide/qrcode-npm.git

$ sudo  npm install -g ./qrcode-npm

qrcode-npm@0.0.3 /usr/lib/node_modules/qrcode-npm

How to remove qrcode-npm package :

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

$ sudo npm uninstall qrcode-npm

Basic Information of qrcode-npm NPM Package: