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/authorized_keys #enable empty password 4.Disabling IPv6 sed -i 's/^\(NETWORKING\s*=\s*\).*$/\NETWORKING=NO/' /etc/sysconfig/network 5.Installation/Conf/startup