[CentOS] Re: Yum Update Question

Scott Silva ssilva at sgvwater.com
Fri May 5 18:08:18 UTC 2006

John Hinton spake the following on 5/5/2006 9:58 AM:
> Dag Wieers wrote:
>> On Thu, 4 May 2006, John Hinton wrote:
>>> I have asked myself over the years... just what happens during the
>>> update
>>> process? For instance, the latest updates included updates to php. I'm
>>> wondering if apache is restarted or reloaded to read the new php
>>> updates?
>>> More broadly... if this is done, is it done pretty much for every
>>> interrelated
>>> update, I guess with the exception of kernel updates?
>> You can inspect a package's scripts by doing:
>>     rpm -q --scripts php
>> In this case (at least on rhel4as) apache is not restarted/reloaded.
>> Kind regards,
> Thanks Dag!
> So, my normal routine of manually restarting Apache after PHP updates is
> a good one to follow.
> I do think though that this could be considered a bit of a hole. With
> automatic updates being pushed to the forefront... where updates might
> happen when you're not even at the machine.. one could easily miss this
> sort of thing. And, as many of my systems run at least as long as it
> becomes necessary to reboot due to a kernel issue that actually effects
> something I'm running... it could be a long time between an update and a
> service restart. This is sort of frustrating to some degree.
> Now to figure out what might need to be restarted based on what is
> updated each time.. not such an easy task anymore with the huge number
> of packages and the interrelationships between those packages. Hmmmmm....
> Thanks,
> John Hinton <who is about to restart apache on all our systems>
With apache, AFAIR it gets restarted at the log rotation, so it might go too


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