Configure all the nodes that you want to use as access nodes as HDFS clients on the Hadoop cluster, so that the nodes can access the HDFS file sytem.
Procedure
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Configure the nodes as HDFS clients on the Hadoop cluster.
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Verify that the Hadoop bin path in the environment is set correctly for the root user.
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Verify that you can run the following command as the root user without any errors:
hdfs dfs –ls / hadoop classpath --glob