If you see "Starting SandboxContainer.." then you're already up and running. Just navigate to http://127.0.0.1:8080/ on your host machine and the Ambari login screen should pop up. The default admin login is raj_ops/raj_ops , If you see "Starting SandboxContainer..." then it's already up and running. Just navigate to http://127.0.0.1:8080/ in your host machine browser and you should see the login screen. Default login is raj_ops/raj_ops ... View more