title: Using Redis with magento 1.9
body: <p>I have a magento setup where I am using one box for apache server and one as mysql server. 
  I want to install redis in this installation. I am not sure how I can achieve that.</p>
  
  <p>My questions are:</p>
  
  <ol>
  <li>On which box should I install Redis?</li>
  <li>Is there any step by step tutorial for such setup? As i am new to this.</li>
  <li>How can I configure magento to use redis server?</li>
  </ol>
  
  <p>Thanks in advance.</p>