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CORRECT TEXT Problem Scenario 29 : Please accomplish the following exercises using HDFS command line options. 1. Create a directory in hdfs named hdfs_commands. 2. Create a file in hdfs named data.txt in hdfs_commands. 3. Now copy this data.txt file on local filesystem, however while copying file please make sure file properties are not changed e.g. file permissions. 4. Now create a file in local directory named data_local.txt and move this file to hdfs in hdfs_commands directory. 5. Create a file data_hdfs.txt in hdfs_commands directory and copy it to local file system. 6. Create a file in local filesystem named file1.txt and put it to hdfs
Correct Answer:
See the explanation for Step by Step Solution and configuration. Explanation: Solution : Step 1 : Create directory hdfs dfs -mkdir hdfs_commands Step 2 : Create a file in hdfs named data.txt in hdfs_commands. hdfs dfs -touchz hdfs_commands/data.txt Step 3 : Now copy this data.txt file on local filesystem, however while copying file please make sure file properties are not changed e.g. file permissions. hdfs dfs -copyToLocal -p hdfs_commands/data.txt/home/cloudera/Desktop/HadoopExam Step 4 : Now create a file in local directory named data_local.txt and move this file to hdfs in hdfs_commands directory. touch data_local.txt hdfs dfs -moveFromLocal /home/cloudera/Desktop/HadoopExam/dataJocal.txt hdfs_commands/ Step 5 : Create a file data_hdfs.txt in hdfs_commands directory and copy it to local file system. hdfs dfs -touchz hdfscommands/data hdfs.txt hdfs dfs -getfrdfs_commands/data_hdfs.txt /home/cloudera/Desktop/HadoopExam/ Step 6 : Create a file in local filesystem named filel .txt and put it to hdfs touch filel.txt hdfs dfs -put/home/cloudera/Desktop/HadoopExam/file1.txt hdfs_commands/
