Final resolved the issue after following steps in this link. https://hortonworks.com/tutorial/sandbox-port-forwarding-guide/ Looks like in addition to open port in Virtualbox, I also had to open port in docker image. The only thing is that the start script is actually under /sandbox not /root. Also the file to modify is /sandbox/sandbox-deploy.sh Also I was not able to save my current VM image so after I ran the commands the VM images was re-initialized. So I had to re-configure everything again. I did not run docker commit as instructed. It took some time to run, but I have no idea what was saved and why I was not able to use saved VM image. ... View more