Edd*_*vas 6 build yum downgrade
因此，情况如下：我有一些系统可以从CI服务器下载构建版本并进行安装。这些内部版本是未发布的内部版本，但是命名约定中包含一个时间戳来确定较新的内部版本。因此，我安装了其中一个版本，对其进行了很好的测试。
Well, at some point I want to revert back to our actual released builds which are on our local yum repo. But if I did yum install -y somepackage, install is going to say that the version its trying to download is obsoleted by this unreleased version I've installed.
What I'm wondering is if there's a way to force yum to install the build even if its obsoleted by the currently installed one, or am I going to be forced to yum remove the installed build before yum installing the released build?
I don't mind doing the latter, but the former is a better solution because some high availability components that depend on this RPM complain when it goes missing, so I'm wondering if it's possible.
Thanks ahead of time!
yum downgrade somepackage
此外，yum history在类似情况下，下面的命令可能会对您有所帮助。
是的，您可以使用downgrade子命令安装较旧的可用版本（已安装的软件包）：
yum -y downgrade mypackage-1.2.3-4
请注意，您必须明确指定要降级到的软件包的版本/发行版。
此命令也可用于dnfyum 后继者。
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