 | | | upgrade RHEL3 U2 to RHEL U4 without RHN | upgrade RHEL3 U2 to RHEL U4 without RHN 2005-03-22 - By Ed Wilts
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On Tue, Mar 22, 2005 at 02:26:45PM -0800, Jason DePaul wrote:
> Does anyone know of any easy (best) way to upgrade from RHEL3 U2 to U4
> with redhat provided iso's via NFS? I do not want to be ties to RHN.
First of all, you need to know what U4 really is - it's just U2 with a
bunch of rpm updates. Nothing fancy - no new binary incompatible pieces
of software. It's mostly just patches.
Can you be tied to RHN to get the list of updates you need? If you can,
then the problem is fairly simple. Expand your U4 ISOs and put the rpms
on an NFS-mounted server. Then use up2date with the --packagedir
argument to point to your local rpms first. A simple up2date -uf will
get everything you need. Don't forget that there are updates beyond U4.
The key thing is to come up with the list of updates you need for each
machine. Once you've determined that, a simple rpm -Fvh should get them
all - make sure the architectures are right though!
> I need to plan on upgrading 75-100 machines via which ever method I
> can come up with. Each machines has update entitlments.
It might be worthwhile logging a call with support...
> Also, suppose I installed several rpms or built applications from
> source after installing the RHEL3 U2 server and U4 has to overwrite a
> shared lib or binary? Will the U4 rpm fail to install, or will it
> just overwrite the existing shared lib or bin?
There should be no binary incompabilities so unless you've created one
with your rpms, you should be fine. We can't tell if one of your rpms
has a dependency of a specific version of a specific package. If it
does, then rpm should fail to install the update.
--
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts@(protected)
Member #1, Red Hat Community Ambassador Program
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