What about rhmask? I seem to remember using it when I was upgrading a
commercial software product to the latest version. I don't remember how
it works, I just typed in the commands in the instructions that came with
the upgrade.
--Mike
On Tue, 21 Sep 1999, Matt Fahrner wrote:
> Jon Carnes wrote:
> >
> > A simpler solution is to use disk imaging. If you are truly making
> > all the boxes with the same technology then a disk image of the
> > current best-of will due the trick. Then you can send around a new
> > CD every week with the new image. Just use a boot disk and then
> > DD the new image on to the drive.
>
> We've considered burning our own CDs, and probably will at some point,
> however this would generally be a pain. Then we'd have to walk some
> probably untrained individual in the stores through putting the CD in on
> each PC and going through the DD process. This would be very time
> consuming on a weekly basis and a nightmare even if scripted.
> Additionally we'd almost definitely get confusion about which version of
> CD and/or floppy's to use because someone didn't throw out the old one.
> Believe me, think of the worst and it happens. Many if not most of our
> stores don't have any computer savy individuals. Finally though it is
> cheap, it isn't very cost effective compared to the alternative I was
> asking about.
>
> > On a different track you could place the image somewhere on the net
> > and let each site download it.
>
> Well, this is really the same but reverse of the scenario as I was
> saying before. We'd still end up downloading 140mb to each store to do
> an update. Over a 56kb (which we could update our frame links to) this
> would still kill us since these links need to be active for other
> resources as well. Yes, bandwidth is cheap, but not that cheap when you
> have 100s of sites that need to reliably be online 24 hours a day.
>
> In all honesty, and this is true even over the Internet, it seems silly
> to have to transfer the entire RPM when effectively you've only changed
> a couple of files. A patching system would be a big win for Linux.
> Solaris supports it and so does Microsoft to some extent (only because
> they really don't really have a packaging system, but...).
>
> So, does this exist for Linux?
>
> - Matt
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Michael Chinander University of Chicago
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