#!/bin/bash

sudo mkdir -p /usr/local/java
sudo test -f /usr/local/java/jdk1.8.0_291 || wget http://192.168.1.6/java/jdk-8u291-linux-x64.tar.gz
sudo cp ./jdk-8u291-linux-x64.tar.gz
sudo cd /usr/local/java
sudo tar -zxf /usr/local/java/jdk-8u291-linux-x64.tar.gz

sudo cat >> /etc/profile <<EOF
export JAVA_HOME=/usr/local/java/jdk1.8.0_291
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATHexport JAVA_HOME=/usr/local/java/jdk1.8.0_291
EOF

source /etc/profile