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‘install_local_hadoop' — will use default port numbers for all services OR
'install_local_hadoop -p fromDisplay' - will start Hadoop with a port number range determined from the DISPLAY environment variable OR
‘install_local_hadoop -p rand' —  will start with any random port number range between 9000 and 49000 OR
‘install_local_hadoop -p < specify a port # >' — will start with port number specified

If you don't specify the -p option, the following default ports are used:
  MY_DCS_MASTER_INFO_PORT=24400
  MY_DCS_SERVER_INFO_PORT=24410
  MY_REST_SERVER_PORT=4200
  MY_REST_SERVER_SECURE_PORT=4201

When this script completes, Hadoop, HBase, Hive, and MySql (used as Hive's metadata repository) have been installed and are started. 

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