title: How can I upgrade Yii 1.x to Yii 2.0?
body: <p>How can I upgrade the Yii 1.x version to the Yii 2.0 latest release version?</p>
  <p>I am using an <a href="https://en.wikipedia.org/wiki/Ubuntu_%28operating_system%29" rel="nofollow noreferrer">Ubuntu</a> OS. What is the process to updating my old Yii to the new Yii release version 2.0?</p>