title: Error ubuntu apt-get update
body: <p>When i try to apt-get update its giving me this error</p>
  
  <pre><code>E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource 
  temporarily 
  unavailable)
  E: Unable to lock directory /var/lib/apt/lists/
  </code></pre>
  
  <p>First of all, i'm root on the system</p>
  
  <p>What i tried?</p>
  
  <ol>
  <li><p>Rebooting the server</p></li>
  <li><p>sudo dpkg --configure -a</p></li>
  <li>sudo mv /etc/apt/sources.list.d/medibuntu.lis /etc/apt/sources.list.d/medibuntu.list</li>
  </ol>
  
  <p>Any solution?</p>