hadoop

[hadoop@master ~]$ start-dfs.sh
Incorrect configuration: namenode address dfs.namenode.servicerpc-address or dfs.namenode.rpc-address is not configured.
Starting namenodes on []
Error: Cannot find configuration directory: /etc/hadoop
Error: Cannot find configuration directory: /etc/hadoop
Starting secondary namenodes [0.0.0.0]
Error: Cannot find configuration directory: /etc/hadoop

[hadoop@master ~]$  vi /opt/software/hadoop-2.7.7/etc/hadoop/hadoop-env.sh

export HADOOP_CONF_DIR=/opt/software/hadoop-2.7.7/etc/hadoop


[hadoop@master ~]$ source /opt/software/hadoop-2.7.7/etc/hadoop/hadoop-env.sh

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