|NO.Z.00030|——————————|^^ 部署 ^^|——|CI/CD&Jenkins_pipeline部署.V04|——|JDK_二进制|

一、Jenkins安装概述

### --- Jenkins官网

~~~     官网： [https://jenkins.io](https://jenkins.io/)
~~~     插件：http://updates.jenkins-ci.org/download/plugins/

### --- Jenkins部署规划

~~~     centos7.x server1   10.10.10.11      jenkins    
~~~     centos7.x server2   10.10.10.12      tomcat     
~~~     centos7.x server3   10.10.10.13      git/gitlab 

二、Jenkins.JDK

### --- 下载JDK版本包——二进制
~~~     选在JDK版本包:查看解压包

[root@jenkins ~]# ls                                                        
jdk-8u281-linux-x64.tar.gz

### --- 部署JDK版本包——二进制
~~~     部署JDK版本包

[root@jenkins ~]# tar -zxvf jdk-8u281-linux-x64.tar.gz                      
[root@jenkins ~]# mv jdk1.8.0_281/ /usr/local/jdk1.8                        

### --- 配置JDK环境变量
~~~     配置JDK环境变量

[root@jenkins ~]# vim /etc/profile                                          
JAVA_HOME=/usr/local/jdk1.8
export MAVEN_HOME=/usr/local/maven
export JRE_HOME=/usr/local/jdk1.8/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$MAVEN_HOME/bin:$PATH

~~~     使环境变量生效：配置生效

[root@qfedu.com tools]# source /etc/profile  

三、查看JDK版本

### --- 查看JDK版本

[root@jenkins ~]# java -version
java version "1.8.0_281"
Java(TM) SE Runtime Environment (build 1.8.0_281-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.281-b09, mixed mode)

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Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to depart

                                                                                                                                                   ——W.S.Landor

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