 | | | upgrade RHEL3 U2 to RHEL U4 without RHN | upgrade RHEL3 U2 to RHEL U4 without RHN 2005-03-23 - By Jerry Uanino
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I haven't done this myself, but you could install a base machine with
U2. Configure it to point to RHN. Run update -u -d (-d is download I
believe) and it will store the rpms in /var. Check the man page on
those args though. Then you can take those RPMS and put them on an
nfs/http/ftp server and run a series of rpm freshen installs hitting
the locations.
On Tue, 22 Mar 2005 16:52:17 -0600, Ed Wilts <ewilts@(protected)> wrote:
> 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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>
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