1. Download hadoop 2.6.0
1) cd ~/
2) wget http://archive.apache.org/dist/hadoop/core/hadoop-2.6.0/hadoop-2.6.0.tar.gz
3) tar xvfz hadoop-2.6.0.tar.gz
2. Install Java
1) su (if needed)
2) sudo apt-get install openjdk-7-jdk
3. Edit ~./bashrc
#This file depends on current user
#My current id is stack
1) vi ~./bashrc
2) # add following commands at bottom of ~./bashrc
# check your hadoop home path if different
# check your java home path if needed.
# My computer is AMD64 machine, Intel machine might have different path
HADOOP_HOME=/home/stack/hadoop-2.6.0
PATH=$HADOOP_HOME/bin:$PATH
JAVA_HOME/usr/lib/jvm/java-1.7.0-openjdk-amd64
export PATH
export JAVA_HOME
4. Check java home (Skip it. Just in case)
1)JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:bin/javac::")
echo $JAVA_HOME
5. Run example (Standalone Operation)
1) mkdir input
2) cp etc/hadoop/*.xml input3) bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0.jar grep input output 'dfs[a-z.]+'
4) cat output/*
ref:
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