HDFS
Hadoop查看文件系统
hdfs dfs ls
Found 8 items
drwxrwxrwx - yarn hadoop 0 2016-09-01 04:00 /app-logs
drwxr-xr-x - hdfs hdfs 0 2016-09-01 03:44 /apps
drwxr-xr-x - yarn hadoop 0 2016-09-01 03:42 /ats
drwxr-xr-x - hdfs hdfs 0 2016-09-01 03:42 /hdp
drwxr-xr-x - mapred hdfs 0 2016-09-01 03:42 /mapred
drwxrwxrwx - mapred hadoop 0 2016-09-01 03:42 /mr-history
drwxrwxrwx - hdfs hdfs 0 2016-09-01 03:47 /tmp
drwxr-xr-x - hdfs hdfs 0 2016-09-01 03:59 /user
hadoop root用户下无法创建目录的解决办法
su - hdfs
hdfs dfs -mkdir -p /mp2/links
hdfs dfs -chown -R root:hdfs /mp2/links
exit
Hadoop上传文件
hdfs dfs -put /home/git/spark/README.md /test
