Ruby

Ruby is a programming language, it is required for software like Rails, passenger, and GitLab.

Installation
Install :

Package
Ruby is slotted in Portage, to view which installed version slot you are currently using, run:

To change the selected slot, run:

System
Several packages built against ruby such as passenger require ruby targets to be defined in

External resources

 * Codecademy's Ruby course
 * http://iwanttolearnruby.com/