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Running Hadoop on Ubuntu

Below is the steps to run your first Hadoop job after you have installed Hadoop. Step 1. Format the NameNode: Initializes the directory specified by the dfs.name.dir variable. sudo -u hdfs hadoop namenode -format Output 12/01/30 11:51:33 INFO namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNode STARTUP_MSG: host = ubuntu/127.0.1.1 STARTUP_MSG: args = [-format] STARTUP_MSG: version = […]

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