Set Spark Master/Worker WebUI port via variable
Output web address for Spark Worker Nodes Web UI in help output
Set Hbase info port via variable ; Output web address for Hbase regionserver web ui
Set Yarn Web Info Address via variable
Set SPARK_MASTER_PORT in spark-env.sh
Set master & regionserver ports in hbase-site.xml
Set jobhistory server port & web port in conf
Set yarn ports via variables
Set HDFS namenode port via variable
Set HDFS secondary namenode address via variable
Set mapred job tracker address via variable
Configure various datanode/namenode addresses via variables.
set job tracker http address by variable