一、Jenkins介绍

Jenkins是一个开源软件项目，起源于Hudson（Hudson是商用的），是基于Java开发的一种持续集成工具，用于监控持续重复的工作，旨在提供一个开放易用的软件平台，使软件项目可以进行持续集成。

{#t2}二、JDK安装

1）安装依赖包
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[root@localhost ~]# yum -y install wget
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2）下载安装包
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[root@localhost ~]# wget https://repo.huaweicloud.com/java/jdk/11.0.2+9/jdk-11.0.2_linux-x64_bin.tar.gz
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3）解压
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[root@localhost ~]# tar xf jdk-11.0.2_linux-x64_bin.tar.gz -C /usr/local
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[root@localhost ~]# chown -R root.root /usr/local/jdk-11.0.2
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4）配置环境变量
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[root@localhost ~]# vim /etc/profile
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添加以下内容文章源自小柒网-https://www.yangxingzhen.cn/9580.html

export JAVA_HOME=/usr/local/jdk-11.0.2
export CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH:$HOMR/bin

5）查看java环境配置是否生效

[root@localhost ~]# source /etc/profile

[root@localhost ~]# java -version

java version "11.0.2" 2019-01-15 LTS

Java(TM) SE Runtime Environment 18.9 (build 11.0.2+9-LTS)

Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11.0.2+9-LTS, mixed mode)

三、Jenkins安装

1、方式一

1）添加Jenkins官方Yum源

[root@localhost ~]# wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat/jenkins.repo

[root@localhost ~]# rpm --import https://pkg.jenkins.io/redhat/jenkins.io-2023.key

2）安装依赖包

[root@localhost ~]# yum -y install fontconfig tzdata-java

3）安装Jenkins

[root@localhost ~]# yum -y install jenkins

4）启动Jenkins

[root@localhost ~]# sed -i -e '/java-17-openjdk-amd64/s/#//' -e 's#/usr/lib/jvm/java-17-openjdk-amd64#/usr/local/jdk-11.0.2#' /usr/lib/systemd/system/jenkins.service

[root@localhost ~]# sed -i -e '/alternatives/s/#//' -e 's#/etc/alternatives#/usr/local/jdk-11.0.2/bin#' /usr/lib/systemd/system/jenkins.service

[root@localhost ~]# systemctl daemon-reload

[root@localhost ~]# systemctl start jenkins

5）查看Jenkins服务状态

[root@localhost ~]# systemctl status jenkins

2、方式二

1）下载Jenkins安装包

[root@localhost ~]# wget https://mirrors.jenkins-ci.org/redhat/jenkins-2.422-1.1.noarch.rpm

2）安装Jenkins

[root@localhost ~]# yum -y install jenkins-2.422-1.1.noarch.rpm

3）启动Jenkins

[root@localhost ~]# sed -i -e '/java-17-openjdk-amd64/s/#//' -e 's#/usr/lib/jvm/java-17-openjdk-amd64#/usr/local/jdk-11.0.2#' /usr/lib/systemd/system/jenkins.service

[root@localhost ~]# sed -i -e '/alternatives/s/#//' -e 's#/etc/alternatives#/usr/local/jdk-11.0.2/bin#' /usr/lib/systemd/system/jenkins.service

[root@localhost ~]# systemctl daemon-reload

[root@localhost ~]# systemctl start jenkins

4）查看Jenkins服务状态

[root@localhost ~]# systemctl status jenkins