[hadoop@master ~]$ oop
[hadoop@master ~]$ hadoop jar /opt/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.2.jar pi 100 100spa
Error creating temp dir in hadoop.tmp.dir /home/hadoop/tmp due to 權限不夠.net
[hadoop@master ~]$ hadoop
解決方法:get
sudo chmod a+rwx /home/hadoop/tmpast