在centos7.5安装jenkins，内有修改默认端口为80，以及修改安装目录的步骤

install jenkins

前提：用普通用户Jenkins登录jenkins服务器，且普通用户具有sudo权限

1. 在线下载 Jenkins

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

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

2. 更新安装包

sudo yum upgrade

3. 安装jenkins

sudo yum install jenkins

4. 重新加载配置文件

sudo systemctl daemon-reload

Start Jenkins

1. You can start the Jenkins service with the command:

sudo systemctl start jenkins

2. You can check the status of the Jenkins service using the command:

sudo systemctl status jenkins

3. config Jenkins

   • To configure Jenkins, you’ll need to find out your IP addres