title: Unable to bootstrap a node from chef workstation
body: <p>I've an issue with chef , when i try to bootstrap a node .I installed a server and a workstation after i tried to bootstrap a node but it's impossible i got this error message:
  <a href="http://i.stack.imgur.com/gztin.png" rel="nofollow">enter image description here</a></p>
  
  <p>Before bootstrapping i generated a knife.rb for the client with <strong>knife configure client</strong> .</p>
  
  <p>Thanks,</p>