Not able to access Web UI

Not able to access Name Node Web UI, Resource Manager Web UI
How do I access lab
How to upload datafile.
Not able to see Hue.

Is there a video giving a “How to” on these labs.

Please use the command line tools instead of web interfaces.

Here are bunch of tutorials to get started:

We had to stop the access to the resource manager’s web UI because there was a bug in Hadoop and it spread the virus.

Also, we have removed Hue because of various reasons. Should we be using Hue?