Erik Veenstra wrote:
> 
> Lesson one when installing Ruby on Ubuntu: Remove all default
> Ruby packages that come with Ubuntu and compile everything
> yourself.

When you install Ruby from source it would be better to include 
--prefix=/usr/local/ruby

And update your path to include /usr/local/ruby/bin before /usr/bin and 
you don't have to worry about what ever packages have been installed for 
your distro.