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Hadoop Basics commands
Agenda
Create directory on HDFS
List your directories/files on HDFS
Copy data from local FS to HDFS
Copy data from HDFS to local FS
Copy data from HDFS to HDFS
View content of a file on HDFS
Delete data from HDFS
Get help for HDFS commands
All Hadoop commands
All Hadoop dfs commands
View HDFS on browser
View your data on Browser
Create directory on HDFS
./hadoop dfs -mkdir /input_files
List your directories/files on HDFS
./hadoop dfs -ls << HDFS path >>
Copy data from Local FS to HDFS
./hadoop dfs -copyFromLocal <<local path>> <<HDFS path>>
Copy data from HDFS to local FS
./hadoop dfs -copyToLocal <<HDFS path>> <<local path>>
Copy data from HDFS to HDFS
./hadoop dfs -cp << HDFS path >> << HDFS path >>
View content of a file on HDFS
./hadoop dfs -cat <<HDFS file path>>
Delete data from HDFS
./hadoop dfs -rm << HDFS file path
Get help for HDFS commands
./hadoop dfs -help << HDFS command
Hadoop commands
./hadoop
Hadoop DFS commands
./hadoop dfs
View HDFS on browser
visit localhost:50070
Click on your directory
View your data on Browser
Thanks
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Hadoop basic commands

  • 1. Hadoop Basics commands Agenda Create directory on HDFS List your directories/files on HDFS Copy data from local FS to HDFS Copy data from HDFS to local FS Copy data from HDFS to HDFS View content of a file on HDFS Delete data from HDFS Get help for HDFS commands All Hadoop commands All Hadoop dfs commands View HDFS on browser View your data on Browser
  • 2. Create directory on HDFS ./hadoop dfs -mkdir /input_files List your directories/files on HDFS ./hadoop dfs -ls << HDFS path >>
  • 3. Copy data from Local FS to HDFS ./hadoop dfs -copyFromLocal <<local path>> <<HDFS path>> Copy data from HDFS to local FS ./hadoop dfs -copyToLocal <<HDFS path>> <<local path>>
  • 4. Copy data from HDFS to HDFS ./hadoop dfs -cp << HDFS path >> << HDFS path >> View content of a file on HDFS ./hadoop dfs -cat <<HDFS file path>>
  • 5. Delete data from HDFS ./hadoop dfs -rm << HDFS file path Get help for HDFS commands ./hadoop dfs -help << HDFS command
  • 6. Hadoop commands ./hadoop Hadoop DFS commands ./hadoop dfs
  • 7. View HDFS on browser visit localhost:50070 Click on your directory
  • 8. View your data on Browser Thanks Contact Point :- www.bispsolutions.com