JAVA environment script

JAVA environment script

#!/bin/bash
hostnamectl set-hostname node2
bash
echo "192.168.238.10 node1" >> /etc/hosts
echo "192.168.238.20 node2" >> /etc/hosts

java -version
cd /opt/
tar zxvf jdk-8u91-linux-x64.tar.gz -C /usr/local/

echo 'export JAVA_HOME=/usr/local/jdk1.8.0_91
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH' >>  /etc/profile
source /etc/profile