借鉴文章：https://blog.csdn.net/sms15732621690/article/details/71336224
https://blog.csdn.net/csdn2193714269/article/details/78205331?locationNum=9&fps=1
本文安装到 /usr/lib/目录下
1.下载最新的Jenkins 安装包：https://pkg.jenkins.io/redhat/，并上传至/usr/lib/ 目录下
2 安装
rpm -ih jenkins-2.132-1.1.noarch.rpm
3修改端口 为8090
vim /etc/sysconfig/jenkins
4 添加jdk路径 vim /etc/init.d/jenkins
5 启动 Jenkins
service jenkins start 或 /etc/init.d/jenkins start
运行或停止
service jenkins start
service jenkins stop
6 访问 ip:端口/jenkins
