title: How do I install Ruby 1.9.3 on Ubuntu without RVM?
body: <p>I want to install ruby 1.9.3 on Ubuntu without rvm </p>
  
  <p>I run</p>
  
  <pre><code>sudo apt-get install ruby
  </code></pre>
  
  <p>It's taking ruby 1.8 and ruby 1.9.1.</p>
  
  <p>And if I do </p>
  
  <pre><code>sudo apt-get install ruby 1.9.3 -p XXXX
  </code></pre>
  
  <p>I am still not able to install ruby. How can I install ruby on Ubuntu?</p>