haitongz@ubuntu0:~/hadoop$ ./bin/hadoop dfs –put … 出现如下错误信息：put: org.apache.hadoop.security.AccessControlException: Permission denied: user=zanxibi, access=WRITE, inode="":root:supergroup:rwxr-xr-x 是一个权限问题。
Solusion：
haitongz@ubuntu0:~/hadoop$ sudo ./bin/hadoop fs -mkdir /user/haitongz haitongz@ubuntu0:~/hadoop$ sudo ./bin/hadoop fs -chown haitongz /user/haitongz
