$ sudo npm install rrule
$ sudo npm install -g rrule

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

$ sudo npm update rrule

Update package globally,

$ npm install -g rrule

Git clone:

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

$ sudo  npm install -g ./rrule

rrule@2.2.0 /usr/lib/node_modules/rrule

How to remove rrule package :

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

$ sudo npm uninstall rrule

Basic Information of rrule NPM Package: