linux安装jdk脚本

摘要: 每次安装linux操作系统都需要下载jdk，安装jdk，设置环境变量，很麻烦，这次写个脚本，一次搞定

每次安装linux操作系统都需要下载jdk，安装jdk，设置环境变量，很麻烦，这次写个脚本，一次搞定

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#!/bin/bash

chmod u+x jdk-6u29-linux-i586.bin

installPath=/usr/java

if [ ! -d /usr/java ];

then

mkdir /usr/java

fi

./jdk-6u29-linux-i586.bin -D /usr/java

cp -R jdk1.6.0_29/ /usr/java/jdk1.6.0_29/

touch environment

echo "PATH=\"$PATH:/usr/java/jdk1.6.0_29/bin\"" >> environment

echo "JAVA_HOME=/usr/java/jdk1.6.0_29" >> environment

echo "CLASSPATH=.:%JAVA_HOME%/lib/dt.jar:%JAVA_HOME%/lib/tools.jar" >> environment

rm -rf /etc/environment

cp environment /etc

source /etc/environment

update-alternatives --install /usr/bin/java java /usr/java/jdk1.6.0_29/bin/java 300

update-alternatives --install /usr/bin/javac javac /usr/java/jdk1.6.0_29/bin/javac 300

update-alternatives --config java