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INSTALLING HADOOP,HIVE,DERBY ON CENTOS

Please subscribe to my site www.jamesjara.com to get more tutorials. INSTALLING HADOOP IN centos 6 INSTALLING HIVE IN centos 6 INSTALLING DERBY IN centos 6 hadoop-0.20.203.0rc1 this is the guide for the installation of Hadoop ecosystem, is very extended so please follow step by step ====INSTALLATION===== 1. Installing java     yum  install sun-java6-jdk 2.Adding a dedicated user for hadoop This will add the user hdoopuser and the group hdoopgroup to your local machine.     /usr/sbin/useradd hdoopuser     groupadd hdoopgroup     usermod -a -G hdoopgroup hdoopuser 3.Configuring SSH     su - hdoopuser        #login as hdoopuser     ssh-keygen -t rsa -P ""    #generate key without password     cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys    #enable the new key     chmod 0600 $HOME/.ssh/a...