title: RVM/Rails installation error on ubuntu 11.04
body: <p>After upgrading to ubuntu 11.04 I am having this problem with rvm.
  I am following this tutorial:
  <a href="http://ruby.railstutorial.org/ruby-on-rails-tutorial-book#top" rel="nofollow noreferrer">http://ruby.railstutorial.org/ruby-on-rails-tutorial-book#top</a></p>
  
  <p>Git is installed OK, when I follow the instructions on RVM website apparently it's OK too, but when I close my terminal and open a new one and type <code>ruby -v</code> or <code>rvm -v</code> for example I got a message "rvm is not installed".</p>
  
  <p>What should I do?</p>