Using docker, I've succesfully installed HDP sandbox on my cloud-base CentOS 7 instance. Most services starts up and I see a lot of green in Ambari. Now, i am curious about why the deployed sandbox named my namenode: sandbox-hdp.hortonworks.com? i see that the same namenode is used in the screenshot attached to this post - as disclosed by the URL in the web-browser https://community.hortonworks.com/questions/155768/docker-sandbox-hdphortonworkscom50070-connection-r.html Is it expected that a user should tinker with the hosts file to translate that give name to the IP address of the node? That is strange since most of us do not own the hortonworks.com domain. Is this a business-as-usual way? is there a way to change the name of a namenode? ... View more