利用yum安装

wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo

rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key

yum install jenkins

systemctl enable jenkins
systemctl start jenkins

#在浏览器地址最后加上/restart 也可以重启

修改插件镜像

hudson.model.UpdateCenter.xml

<?xml version='1.1' encoding='UTF-8'?>
<sites>
<site>
<id>default</id>
<url>https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json</url>
</site>
</sites>

登录账号

cat /var/lib/jenkins/secrets/initialAdminPassword

安装相应的插件即可了