title: Failed to get D-Bus connection: Operation not permitted
body: <p>I'm trying to install ambari 2.6 on a docker centos7 image but in the the ambari setup step and exactly while initializing the postgresql db I receive this error:</p>
  <blockquote>
  <p>Failed to get D-Bus connection: Operation not permitted</p>
  </blockquote>
  <p>I've got this error every time I try to run a service on my docker image.</p>
  <p>I tried every solution in the net but nothing worked yet.</p>
  <p>Does any one have an idea how to resolve this ?</p>
  <p>Thank you in advance</p>