title: Running containers over an Ubuntu container
body: <p>I need to separate the environments so my team could work without ports conflicts. My idea was to use an ubuntu container to run a lot of other containers and map just the ports we would use, without conflict.</p>
  
  <p>Unfortunately after the Docker installation over the ubuntu container it gives the following error:</p>
  
  <blockquote>
    <p>Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is
    the docker daemon running?</p>
  </blockquote>
  
  <p>Is it possible to use Docker over containers? Does this idea works?</p>
  
  <p>Plus, if this is not the best way to solve the original problem could you please give me a better solution?</p>