How to update ruby on linux (ubuntu)?

Question

I\'m newbie on both ruby and linux, so I\'m sure this is trivial but I don\'t know yet. I currently have ruby 1.8.7 installed and I want to update it to ruby 1.9. How can I do t

Answer 1

On Ubuntu 12.04 (Precise Pangolin), I got this working with the following command:

sudo apt-get install ruby1.9.1
sudo apt-get install ruby1.9.3