Apache Hadoop Installation

Apache Hadoop installation...

Clone This github repo

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 $ git clone https://github.com/naviens/install-hadoop.git
 $ cd install-hadoop

Steps to be done before running setup.sh

Install ssh Server

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 $ sudo apt-get install ssh
 $ ssh-keygen -t rsa -P ""
 $ ssh-copy-id -i ~/.ssh/id_rsa.pub localhost
 $ ssh localhost
 $ exit

install OpenJdk 1.7

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 sudo apt-get install openjdk-7-jdk

Set JAVA_HOME in .bashrc

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 export JAVA_HOME=/usr
 export PATH=$PATH:$HOME/bin:$JAVA_HOME/bin

Steps for Hadoop Installation

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 $ sh setup.sh $USER
 Valid Version nos [1.2.1, 2.5.2, 2.6.0]
 Enter Hadoop Version No (Ex: 2.6.0) : 

Note : If u get JAVA_HOME is not set error

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 add below line in hadoop-env.sh available at (HADOOP_HOME/etc/hadoop)
 export JAVA_HOME=/usr

$ jps (to verify running Hadoop Daemons)

Now Check your Word count program result at

$ localhost:50070 (output folder)

Thats it :)