Quick background
A few things to note before getting started...
For Unravel Server to be able to monitor your EMR cluster(s), you need to:
Allow Unravel Server to access EMR cluster(s) nodes’ TCP ports 8020, 50010, 50020.
Open Unravel Server’s port 4043 for receiving traffic from the EMR cluster(s).
To access Unravel UI, you need to open port 3000 on Unravel Server for HTTP access.
No action is needed right now. We'll walk you through these actions later.