hadoop的hdfs命令-创新互联
[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.sh3 下载指定文件
Warning: $HADOOP_HOME is deprecated.
[root@ldy conf]# ls hadoop-env.sh3 查看下载下来的文件
hadoop-env.sh3
[root@ldy conf]#
另外有需要云服务器可以了解下创新互联scvps.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。
当前标题：hadoop的hdfs命令-创新互联
转载来于：http://shouzuofang.com/article/dpoecp.html