Recently installed sandbox on Docker with Mac OS X as the underlying OS. I'm following the tutorial "learning the ropes of the hortonworks sandbox". Here's what I get once I followed the instructions for changing the admin password using the shell web client: [root@sandbox-hdp ~]# ambari-admin-password-reset Please set the password for admin: Please retype the password for admin: Passwords do not match. Please try again. Please set the password for admin: Please retype the password for admin: The admin password has been set. Restarting ambari-server to make the password change effective... Using python /usr/bin/python Restarting ambari-server Waiting for server stop... Ambari Server stopped Ambari Server running with administrator privileges. Organizing resource files at /var/lib/ambari-server/resources... Ambari database consistency check started... Server PID at: /var/run/ambari-server/ambari-server.pid Server out at: /var/log/ambari-server/ambari-server.out Server log at: /var/log/ambari-server/ambari-server.log Waiting for server start............................................................ DB configs consistency check: no errors and warnings were found. ERROR: Exiting with exit code 1. REASON: Server not yet listening on http port 8080 after 50 seconds. Exiting. [root@sandbox-hdp ~]# ...what is the next logical troubleshooting step to get the ambari server to start? ... View more