Jenkins 有更新提示，如何进行更新？
如果你是后台通过 yum 安装的话，通过 yum update 就可以更新了。
服务器输出：
[root@web-northtecom-com ~]# yum update
Loaded plugins: fastestmirror
base | 3.6 kB 00:00:00
epel/x86_64/metalink | 14 kB 00:00:00
epel | 4.3 kB 00:00:00
epel-apache-maven | 2.4 kB 00:00:00
extras | 3.4 kB 00:00:00
jenkins | 2.9 kB 00:00:00
mariadb | 2.9 kB 00:00:00
updates | 3.4 kB 00:00:00
(1/2): epel/x86_64/updateinfo | 793 kB 00:00:00
(2/2): epel/x86_64/primary_db | 4.7 MB 00:00:00
Loading mirror speeds from cached hostfile
* base: mirror.csclub.uwaterloo.ca
* epel: epel.mirror.constant.com
* extras: mirror.csclub.uwaterloo.ca
* updates: mirror.csclub.uwaterloo.ca
Resolving Dependencies
--> Running transaction check
---> Package jenkins.noarch 0:2.59-1.1 will be updated
---> Package jenkins.noarch 0:2.60-1.1 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
====================================================================================================================================================================
Package Arch Version Repository Size
====================================================================================================================================================================
Updating:
jenkins noarch 2.60-1.1 jenkins 67 M
Transaction Summary
====================================================================================================================================================================
Upgrade 1 Package
Total download size: 67 M
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
jenkins-2.60-1.1.noarch.rpm | 67 MB 00:00:01
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : jenkins-2.60-1.1.noarch 1/2
Cleanup : jenkins-2.59-1.1.noarch