hadoop ls

Original address: http://hadoop.apache.org/docs/r1.0.4/cn/hdfs_shell.html FS Shell Cat Chgrp chmod Chown Copyfromlocal Copytolocal Cp Du Dus Expunge Get Getmerge Ls Lsr Mkdir Movefromlocal Mv Put Rm RMr Setrep Stat Tail Test Text Touchz FS ShellThe call file system (FS) she

design documentation for more information about the properties of the Recycle Bin.GetHow to use: Hadoop fs-get [-IGNORECRC] [-CRC] Copy the file to the local file system. The-IGNORECRC option can be used to replicate the failed file for CRC validation. Use the -CRC option to copy files and CRC information. Example: Hadoop fs-get/user/hadoop/file LocalFi

to use: Hadoop fs-expungeEmpty the Recycle Bin. Refer to the HDFS design documentation for more information about the properties of the Recycle Bin. GetHow to use: Hadoop fs-get [-IGNORECRC] [-CRC] Copy the file to the local file system. The-IGNORECRC option can be used to replicate the failed file for CRC validation. Use the-CRC option to copy files and CRC information.Example:

. Therefore, the first operation we want to introduce is to write data to the cluster. Assume that the user is "someone", which depends on your actual situation. Actions can be performed on any machine that can access the cluster, where the conf/hadoop-site.xml file must be set to the namenode address in the cluster. The command can be run in the installation directory. The installation directory can be/home/someone/src/

inputmkdir: ' input ': No such file or directoryPlus/Successful put after the execution of WordCount, still error, Input Path does not exist:hdfs://hadoopmaster:9000/user/hadoop/inputHere the Input folder path is/user/hadoop/input, but my path is/usr/local/input, is not this reason cause cannot find the pathRefer to the answer in Http://stackoverflow.com/questions/20821584/

returns-1.9:dusHow to use: Hadoop fs-dus Displays the size of the file.10:expungeHow to use: Hadoop fs-expungeEmpty the Recycle Bin. Refer to the HDFs design documentation for more information about the properties of the Recycle Bin.11:getHow to use:Hadoop fs-get [-IGNORECRC] [-CRC] Copy the file to the local file system. The-IGNORECRC option can be used to replicate the failed file for CRC validation. Use

first, enter the ~/hadoopinstall/hadoop directory, and execute the following command[Dbrg@dbrg-1:hadoop] $bin/hadoop Namenode-formatNo surprises, you should be prompted to format successfully. If it doesn't work, go to the hadoop/logs/directory to view the log fileNow it's time to officially start

1,hadoop Fs–fs [local | 2,hadoop fs–ls 3,hadoop FS–LSR 4,hadoop Fs–du 5,hadoop Fs–dus 6,hadoop fs–mv 7,hadoop FS–CP 8,

Not much to say, directly on the dry goods!GuideInstall Hadoop under winEveryone, do not underestimate win under the installation of Big data components and use played Dubbo and disconf friends, all know that in win under the installation of zookeeper is often the Disconf learning series of the entire network the most detailed latest stable disconf deployment (based on Windows7 /8/10) (detailed) Disconf Learning series of the full network of the lates

-rmdir/input/ --> Create folders on Hadoop Hadoop fs-ls/-- gt; View files on Hadoop/directory hadoop fs-rm/test.txt--> Delete file Hadoop fs-put test.txt/--> upload file Test.txt to hadoop