title: Installing Openstack errors
body: <p>I have no experience in openstack and would appreciate anyone who can help and guide me with this issue. I'm installing openstack in virtual environment (Ubuntu 12.04) and this came out:</p>
  
  <blockquote>
    <ul>
    <li>git clone git//git.openstack.org/openstack/requirements.git/opt/stack/reqiurements
    Cloning into '/opt/stack/requirements'... fatal:unable to connect to
    git.openstack.org: git.openstack.org[0: 192.237.223.224]:
    errno=Connection refused git.openstack.org[1:
    2001:4800:7813:516:3bc3:d7f6:ff04:aacb]: errno=Network is
    unreachable</li>
    </ul>
  </blockquote>