1. 下载jenkins
https://pkg.jenkins.io/redhat-stable/
sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key yum install jenkins
查找下载的jenkins
find / -name jenkins.war
安装说明文档
https://jenkins.io/doc/book/installing/
查看内存剩余大小
free -m
原文：https://www.cnblogs.com/mengjianzhou/p/9093815.html