How to install Ruby on Rails on Ubuntu 14.04 from repos

Learning Ruby on Rails programming and looking for how to install it on Ubuntu? You must have come across different tutorials showing how install RoR on Ubuntu using various ways and particularly through RVM.

However things are much easier. Ruby and RoR are available as packages in the repos.

Install Ruby on Ubuntu 14.04 - actually it comes preinstalled. To check your Ruby version type in terminal:

ruby -v

On my machine it's outputs: "ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux]"

Install Ruby on Rails on Ubuntu:

sudo apt-get install ruby-railties-4.0 // this will install RoR 4.0

sudo apt-get install ruby-railties-3.2 // this will install an earlier version of RoR