java，

java，

参考：

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• Linux下安装jdk8步骤详述

示例：

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• 下载安装包

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

• 解压

tar -zxf jdk-8u151-linux-x64.tar.gz
mv jdk1.8.0_151 /usr/local/

• 设置环境变量

export JAVA_HOME=/usr/local/jdk1.8.0_151
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

• 补充启动jenkins节点报错fix

ln -s /usr/local/jdk1.8.0_151/bin/java /usr/bin/java