title: curl (58) unable to load client cert -8912
body: <p>I'm having trouble communicating with Azure using curl from linux. When I send the followig command:</p>
  
  <p>curl -E "/home/rainey/azure-cert.cer" -H "x-ms-version: 2014-05-09" "<a href="https://management.core.windows.net/%5bsubscription" rel="nofollow">https://management.core.windows.net/[subscription</a> id]/services/hostedservices"</p>
  
  <ul>
  <li>I get the following error:
  curl (58) unable to load client cert -8912</li>
  </ul>
  
  <p>What am I missing?</p>