hadoop2.7.1 Error using DFS command (BIN/HDFS DFS-MKIDR input error) __hadoop

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Bin/hadoop Dfsadmin-safemode Leave

hadoop2.7.1 relative path is not available, it seems to have to be created with absolute path ....


Bin/hdfs dfs-mkdir input error hint "ls: ' input ': No such file or directory"
(Environment is hadoop2.7 CentOS 64-bit)

The first step must be replaced by Bin/hdfs Dfs-mkdir/input




Bin/hdfs Dfs-put/home/yumh/hadoop-2.7.1/etc/hadoop/*.xml/input


Bin/hadoop jar Share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.1.jar grep/input/output ' dfs[a-z.] +'


Bin/hadoop dfs-cat/output/*