title: Installing Docker on CentOS 6.6
body: <p>I'm trying to install Docker on CentOS 6.6 64 bit version. When execute </p>
  
  <pre><code>sudo yum install docker
  </code></pre>
  
  <p>I get this</p>
  
  <pre><code>Loaded plugins: fastestmirror, refresh-packagekit, security
  Setting up Install Process
  Loading mirror speeds from cached hostfile
    * base: mirrors.psychz.net
    * extras: centos-distro.cavecreek.net
    * updates: distro.ibiblio.org
  No package docker available.
  Error: Nothing to do
  </code></pre>