[CentOS] More questions about patch management

Tue Jan 31 03:22:07 UTC 2006
Johnny Hughes <mailing-lists at hughesjr.com>

On Mon, 2006-01-30 at 20:56 -0600, Steve Bergman wrote:
> My original understanding was that only security patches get issued
> between quarterly  releases.  But that then the distro gets updated with
> bug fixes 2 to 4 times per year.
> I may be getting this all wrong, but I get the impression that there are
> 3-4 month periods of quiescence punctuated by short periods (or a day?)
> of significantly more intensive patching.
> Is that correct?  

That is generally correct ... the upstream provider generally releases
security patches between the update set releases.  They generally
release bugfix and enhancement updates during an update set (or as we
call it a point release).

They also generally release an update set at 3-4 month intervals.

The update sets contain both security, bufix, and enchantment updates
though ... and normally many of the new enhancement and bugfix updates
are required as dependencies for the security updates.

All of these things are general though ... to see exactly what updates
were released and when, look here (for the upstream EL4 product):

You can see every update and the date it was released ... you can also
see the update set dates of:

Release =  2005-02-14

update1 =  2005-06-09

update2 =  2005-10-05

(this is about 4 months between release sets)

You can also see that there were:

27 day zero updates on 02-15-2005, 3 bugfix updates between release
update1, 3 security updates as part of update1, 0 bugfix updates between
update1 and update2, 11 security updates as part of update2, 5
bugfix/enhancement updates between update2 and now.

We at CentOS release the updates that are released upstream ... when
they are released upstream ... we do so regardless of whether they are
bugfix or security or enhancement updates ... because, they were
released when they were for a reason :)

Some other rebuild distros ONLY release security updates between update
sets ... others release hardly any updates at all.  We personally think
the the upstream provider is the absolute best enterprise distro in the
world, and that they are smart enough to release the updates that they
want when they want them released, therefore, we release the same
packages too.
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