[root@192 ~]# rpm -ql jenkins 

/etc/init.d/jenkins

/etc/logrotate.d/jenkins

/etc/sysconfig/jenkins

/usr/lib/jenkins

/usr/lib/jenkins/jenkins.war

/usr/sbin/rcjenkins

/var/cache/jenkins

/var/lib/jenkins

/var/log/jenkins

[root@192 ~]# 

直接替换war包就好

war包下载地址

https://mirrors.tuna.tsinghua.edu.cn/jenkins/war/

停止然后重启 就好了  原来的war包备份

备份jenkins

最好用rsync  因为jenkins 目录牵扯到权限的问题

scp  -r  /var/lib/jenkins/*  /home/backup/jenkins/

 rsync -raz --delete --progress arb/jenkins/ /data/backup/jenkins/

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jenkins 升级 和 jenkins备份