Can you write one about port forwarding? Specifically, I would like to understand how various web interfaces on EMR cluster can be accessed through Sessions Manager. (Ganglia, Spark history server, etc.)
"Tunnel created using SSM only allows single connection to destination port" - https://forums.aws.amazon.com/thread.jspa?threadID=314882&ts...
This has been sitting open in the support forums unanswered for over two months :/