[CentOS] how to downgrade from CentOS 5.2 to CentOS 5.1?

Johnny Hughes johnny at centos.org
Wed Jun 25 09:07:29 UTC 2008

Rudi Ahlers wrote:
> Johnny Hughes wrote:
>> Rudi Ahlers wrote:
>>> I've run into some trouble with a new cPanel VPS, and noticed that 
>>> it's running CentOS by default, installed via the CentOS http server.
>>> My question is, how do I downgrade CentOS to 5.1?
>> There is no way to downgrade, however you can install from a 
>> centos-5.1 tree, but centos-5.1 is 5.2 minus a bunch of security 
>> upgrades.
>> We will eventually be moving the 5.1 tree to vault.centos.org, but if 
>> you want to use it for an extended period of time, you should probably 
>> download the tree to a local mirror.
>> ------------------------------------------------------------------------
>> _______________________________________________
> Ok, I understand that, I'm just trying to avoid downloading & 
> reinstalling the software on there already.....
You can do:

rpm -qa --last > lastest_rpms

then edit the file latest_rpms and see what was installed on the upgrade.

You can then downgrade by hand the packages that are causing your 
problems or all of them using:

rpm -Uvh --oldpackage --replacefiles <path_to_old_package>

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