How do I install Ruby 1.9.3 on Ubuntu without RVM?

Question

I want to install ruby 1.9.3 on Ubuntu without rvm

I run

sudo apt-get install ruby

It\'s taking ruby 1.8 and ruby 1.9.1.

And i

Answer 1

On Ubuntu 12.04 LTS, I got it to work with the following:

sudo apt-get install ruby 1.9.3
cd /etc/alternatives
sudo ln -sf /usr/bin/ruby1.9.3 ruby