vim /usr/lib/systemd/system/jenkins.service

Jenkin：Failed to start Jenkins Continuous Integration Server问题解决 ：参考

附上jenkins的各文件路径：

/usr/lib/jenkins/jenkins.war WAR包

/etc/sysconfig/jenkins 配置文件

/var/lib/jenkins/ 默认的家目录

/var/log/jenkins/jenkins.log 日志文件