[CentOS] Allow updates but not upgrades

Fri May 11 03:12:32 UTC 2012
Gregory Machin <gdm at linuxpro.co.za>

The even number is merely selected as a reference point, nothing to do
with stable or unstable .

I'm aiming to create a controlled environment where  there is less
that users can do to break their systems ...

On Fri, May 11, 2012 at 12:49 AM, Dennis Jacobfeuerborn
<dennisml at conversis.de> wrote:
> On 05/10/2012 08:55 AM, John R Pierce wrote:
>> On 05/09/12 10:36 PM, Gregory Machin wrote:
>>> I have a requirement where I need machines to only upgrade to even
>>> numbered sub releases eg: 6.0 , 6.2, 6.4 and only on my approval.
>> thats a rather strange requirement.  6.1 is 6.0 with updates rolled up.
>> a more sane requirement would be to only allow pre-tested updates, which
>> you'd do by testing the updates on a staging machine, then posting them
>> to your own internal yum repository which your production machines would
>> update from.
> This requirement sounds suspiciously like it was made for software that
> uses the "even numer = stable release, odd number = development release"
> versioning method. Since that doesn't apply here the requirement doesn't
> make sense.
> Regards,
>  Dennis
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