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Aufgabe 3
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44
Aufgabe 3/commands.sh
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44
Aufgabe 3/commands.sh
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# a)
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hdfs dfs -help
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hdfs dfs -usage mkdir
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# b)
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hdfs dfs -mkdir /home/heiserervalentin/hdfstest
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# c)
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echo "Hello World" > test.txt
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hdfs dfs -put test.txt /home/heiserervalentin/hdfstest
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# d)
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hdfs dfs -cat /home/heiserervalentin/hdfstest/test.txt
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# e)
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hdfs dfs -get /home/heiserervalentin/hdfstest/test.txt ./test_from_hdfs.txt
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# f)
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hdfs dfs -ls /home/heiserervalentin/hdfstest
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# g)
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hdfs dfs -mkdir /home/heiserervalentin/hdfstest2
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hdfs dfs -mv /home/heiserervalentin/hdfstest/test.txt /home/heiserervalentin/hdfstest2/
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hdfs dfs -cp /home/heiserervalentin/hdfstest2/test.txt /home/heiserervalentin/hdfstest2/test_copy.txt
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# h)
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hdfs dfs -head /home/heiserervalentin/hdfstest2/test.txt
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hdfs dfs -tail /home/heiserervalentin/hdfstest2/test.txt
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# i)
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hdfs dfs -df -h
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hdfs dfs -du /home/heiserervalentin
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# j)
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hdfs dfs -setrep 2 /home/heiserervalentin
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# k)
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hdfs dfs -rm /home/heiserervalentin/hdfstest2/test_copy.txt
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hdfs dfs -rm /home/heiserervalentin/hdfstest2/test.txt
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hdfs dfs -rmdir /home/heiserervalentin/hdfstest2
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hdfs dfs -rmdir /home/heiserervalentin/hdfstest
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hdfs dfs -ls /home/heiserervalentin
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Aufgabe 3/test.txt
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Aufgabe 3/test.txt
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Hello World
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Aufgabe 3/test_from_hdfs.txt
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Aufgabe 3/test_from_hdfs.txt
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Hello World
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