Common commands on Hadoop,spark,linux

Source: Internet
Author: User
Tags hadoop fs

1.hadoop

View the directory on HDFs:         hadoop fs-ls/ Create a directory on HDFs:     -mkdir/jiatest upload the file to HDFs Specify directory:  -put test.txt /Jiatest upload jar package to Hadoop run:   hadoop jar maven_test-1.0-snapshot.jar org.jiahong.test.WordCount/ jiatest/jiatest/Output View result:               -cat/jiatest/output/part-r-00000

2.linux

Upload the local file to the cluster: SCP maven_test-1.0-snapshot.jar [email protected]121.8. 228.23:/home/hadoop/jia/



Common commands on Hadoop,spark,linux

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