title: apt-get update show: CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
body: <p><code>sudo apt-get update</code></p>
  
  <p>W: Failed to fetch <a href="https://get.docker.com/ubuntu/dists/docker/main/binary-amd64/Packages" rel="nofollow">https://get.docker.com/ubuntu/dists/docker/main/binary-amd64/Packages</a>  server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none</p>
  
  <p><code>openssl s_client -connect get.docker.com:443 -tls1 -debug</code> => <a href="http://paste.ubuntu.com/10687412" rel="nofollow">http://paste.ubuntu.com/10687412</a></p>
  
  <p>my machine is Ubuntu 14.10</p>
  
  <p>any ideas?</p>