标签：hadoop命令
[root@ldy conf]# hadoop fs -ls / ls和linux命令差不多
Warning: $HADOOP_HOME is deprecated.
Found 1 items
drwxr-xr-x - root supergroup 0 2016-07-05 15:55 /user
[root@ldy conf]#
[root@ldy conf]# hadoop fs -mkdir /user/root/zby 创建一个目录和linux命令差不多
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]# hadoop fs -ls /user/root/
Warning: $HADOOP_HOME is deprecated.
Found 4 items
-rw-r--r-- 1 root supergroup 2052 2016-07-05 16:01 /user/root/hadoop-metrics2.properties
-rw-r--r-- 1 root supergroup 2460 2016-07-05 15:55 /user/root/input
drwxr-xr-x - root supergroup 0 2016-07-05 15:57 /user/root/input1
drwxr-xr-x - root supergroup 0 2016-07-05 16:13 /user/root/zby
[root@ldy conf]#
[root@ldy conf]hadoop fs -put hadoop-env.sh /user/root/ 把文件上传到指定目录
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]#
[root@ldy conf]# hadoop fs -cat /user/root/hadoop-env.sh 查看上传的文件
Warning: $HADOOP_HOME is deprecated.
# Set Hadoop-specific environment variables here.
# The only required environment variable is JAVA_HOME. All others are
# optional. When running a distributed configuration it is best to
# set JAVA_HOME in this file, so that it is correctly defined on
[root@ldy conf]# hadoop fs -get /user/root/hadoop-env.sh hadoop-env.sh2 下载指定文件
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]# ls hadoop-env.sh2 查看下载下来的文件
hadoop-env.sh2
[root@ldy conf]#
标签：hadoop命令
原文地址：http://bjzby.blog.51cto.com/4084070/1796004
