title: Ipad "Not charging" with Ubuntu 16.04 and ipad_charge could not work
body: <p>I'm new to Ubuntu and want to charge my ipad under the Ubuntu system.</p>
  
  <p><strong>Description</strong></p>
  
  <p>The computer runs on Ubuntu 16.04. When plugin into the computer, the ipad shows a "Not charging" icon near the battery icon.</p>
  
  <p>I have tried for installing ipad_charge. However, I meet the error</p>
  
  <p>Unable to claim the interface: error (-6).</p>
  
  <p><strong>Question</strong></p>
  
  <p>Many articles says this is related to the power of the USB. Yet no other method is mentioned other than this ipad_charge. So I'm wondering if there is any method to charge the ipad or any hint on how I could fix this "unable to claim the interface" problem with ipad_charge.</p>
  
  <p>Thanks a lot.</p>
  
  <p><strong>Solution</strong></p>
  
  <p>This is solved. Please refer to Alex_Krug's solution in the reply. Thanks a lot.</p>