title: RVM installation error linux ubuntu 16
body: <p>I am beginning out the with web development. I was trying to install RVM by following the steps given in <a href="http://installfest.railsbridge.org/installfest/linux" rel="nofollow noreferrer">http://installfest.railsbridge.org/installfest/linux</a></p>
  
  <p>But when I try installing the RVM (<a href="http://installfest.railsbridge.org/installfest/linux#step3-1" rel="nofollow noreferrer">step 3.1</a>) via the terminal I get the error:</p>
  
  <p><a href="https://i.stack.imgur.com/teKED.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/teKED.png" alt="enter image description here"></a></p>