title: GUI's with Docker
body: <p>Im trying to run a GUI within Docker and trying to following the below link.</p>
  
  <pre><code>http://wiki.ros.org/docker/Tutorials/GUI#The_safer_way
  </code></pre>
  
  <p>Using this link, Im trying to implement the the_safer_way method but get the following error in my MAC.</p>
  
  <pre><code>Ps-MacBook-Pro:~ p$ docker run -it \
  &gt;     --user=$USER \
  &gt;     --env="DISPLAY" \
  &gt;     --volume="/etc/group:/etc/group:ro" \
  &gt;     --volume="/etc/passwd:/etc/passwd:ro" \
  &gt;     --volume="/etc/shadow:/etc/shadow:ro" \
  &gt;     --volume="/etc/sudoers.d:/etc/sudoers.d:ro" \
  &gt;     --volume="/tmp/.X11-unix:/tmp/.X11-unix:rw" \
  &gt;     osrf/ros:indigo-desktop-full \
  &gt;     rqt
  docker: Error response from daemon: Mounts denied: 
  The path /etc/sudoers.d
  is not shared from OS X and is not known to Docker.
  You can configure shared paths from Docker -&gt; Preferences... -&gt; File Sharing.
  See https://docs.docker.com/docker-for-mac/osxfs/#namespaces for more info.
  </code></pre>