HDFS Commands

Listing files:

sudo -u hdfs hadoop fs -ls /tmp

Changing file/folder permissions:

sudo -u hdfs hadoop fs -chmod 777 /tmp

Changing the folder permissions recursively:

sudo -u hdfs hadoop fs -chmod -R 777 /tmp

Copying files to local from HDFS:

sudo -u hdfs hadoop fs -copyToLocal <HDFS Path> <LOCAL SERVER PATH>

Copying files to HDFS from local disk:

sudo -u hdfs hadoop fs -copyFromLocal <LOCAL SERVER PATH> <HDFS Path>

Deleting a folder in HDFS:

sudo -u hdfs hadoop fs -rm -r <HDFS Folder>

Deleting a file in HDFS:

sudo -u hdfs hadoop fs -rm  <HDFS Folder>