title: How do I completely uninstall rails, ruby and rubygems?
body: <p>My system is F'd. <strong>How do I completely uninstall rails, ruby and rubygems?</strong></p>
  
  <p>any suggestions on where to go to reinstall from scratch? Best practices? I'd like to get back to 3.0 beta</p>
  
  <p>Thanks!</p>