title: letsencrypt-auto certonly does'nt work
body: <p>no matter which command I use with ./letsencypt-auto the result is always the same as blew, am I missing something here.
  here is an output on ./letsencrypt-auto certonly.</p>
  
  <pre><code>[root@tipsycore letsencrypt]# ./letsencrypt-auto certonly
  #Bootstrapping dependencies for RedHat-based OSes...
  #yum is /usr/bin/yum
  #Loaded plugins: fastestmirror, refresh-packagekit, security
  #Setting up Install Process
  #Loading mirror speeds from cached hostfile
  # * base: mirror.zetup.net
  # * epel: ftp.lysator.liu.se
  # * extras: mirror.zetup.net
  # * updates: mirror.zetup.net
  #Package python-2.6.6-64.el6.x86_64 already installed and latest version
  #Package python-devel-2.6.6-64.el6.x86_64 already installed and latest #version
  #Package python-virtualenv-1.10.1-1.el6.noarch already installed and latest #version
  #Nothing to do
  #Loaded plugins: fastestmirror, refresh-packagekit, security
  #Setting up Install Process
  #Loading mirror speeds from cached hostfile
  # * base: mirror.zetup.net
  # * epel: ftp.lysator.liu.se
  # * extras: mirror.zetup.net
  # * updates: mirror.zetup.net
  #Package gcc-4.4.7-16.el6.x86_64 already installed and latest version
  #Package dialog-1.1-9.20080819.1.el6.x86_64 already installed and latest #version
  #Package augeas-libs-1.0.0-10.el6.x86_64 already installed and latest version
  #Package openssl-devel-1.0.1e-42.el6_7.2.x86_64 already installed and latest #version
  #Package libffi-devel-3.0.5-3.2.el6.x86_64 already installed and latest #version
  #Package redhat-rpm-config-9.0.3-44.el6.centos.noarch already installed and #latest version
  #Package ca-certificates-2015.2.4-65.0.1.el6_6.noarch already installed and #latest version
  #Nothing to do
  #Loaded plugins: fastestmirror, refresh-packagekit, security
  #Setting up Install Process
  #Loading mirror speeds from cached hostfile
  # * base: mirror.zetup.net
  # * epel: ftp.lysator.liu.se
  # * extras: mirror.zetup.net
  # * updates: mirror.zetup.net
  #Package 2:mod_ssl-2.2.15-47.el6.vm.x86_64 already installed and latest #version
  #Nothing to do
  #WARNING: Python 2.6 support is very experimental at present...
  #if you would like to work on improving it, please ensure you have backups
  #and then run this script again with the --debug flag!
  #[root@tipsycore letsencrypt]# 
  </code></pre>