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Re: [Fedora-livecd-list] pilgrim livecd work

Dan Williams wrote:
On Wed, 2006-09-20 at 11:53 -0400, David Zeuthen wrote:
On Wed, 2006-09-20 at 20:43 +0530, Rahul wrote:
How do you plan on performing upgrades when the live cd gets a install to hard disk feature?
Well, I've written about that in the README.fedora file. Lemme
cut'n'paste so people can rip it apart. It's basically just a braindump,
I haven't written code for this just yet (patches welcome!).
So.. my plan basically just involves running 'yum -y update' in the
chroot you install to. Not sure we need any UI, some progress feedback
would be nice, not sure if yum can do that already. Seth?

Specifically this means that once you boot into the installed OS all
updates will have been applied. Clearly this requires network
connectivity but such is life. I also expect that it's feasible to do

Right; we certainly can't fit all Fedora Core packages on one LiveCD,
since a LiveCD is obviously only _one_ CD.  So you'd never be able to
upgrade off packages from a CD.  Furthermore with Extras its highly
likely that people have packages from Extras, and that doesn't fit on a
CD either.

About the only reasons you might _ever_ want to update from a LiveCD are
(a) to test your hardware with the new kernel, and to (b) see what new
apps and features are around, before you actually do the update.  I
don't see what is all that useful about doing the actual update from
from the LiveCD itself though, versus rebooting and running a small tool
to pull down new .repo files and doing the equivalent of 'yum update'
which other tools already do for us.

This method is not widely documented or easy to use yet AFAIK.

What's the use-case here for update from a LiveCD anyway?  Why?

Basically. My interest in having a install/upgrade from a Live CD is directly related to http://fedoraproject.org/wiki/Distribution/FreeMedia.

Fedora is currently 5 CD's/ One DVD and this is expected to grow once when have Fedora Extras on the media too which might be as soon as FC7 since its kind of a prerequisite for this - http://fedoraproject.org/wiki/UnleashKDE. In effect we might see the number of CD's double or even more.

A useful desktop set requires the first two CD's in Fedora through the Anaconda method and you can only perform a minimalistic installation from a single CD. Currently we are distributing DVD's in Free media program instead which is a problem in many regions where DVD drivers and media is costly and not widely used. Magazines and books prefer to distribute distributions which have a single CD more often to reduce their costs. There is also a perception of "bloat" related to the number of CD's.

In events and for Freemedia distributions it would much more effective to hand out a single live CD with a hard disk installation feature. Of course people might want more software and they would have to grab it off the internet or some other distribution mechanism but a single installalable live CD covers the typical use case and promotional needs.

Once this method is propagated and commonly used, users would already have installations which they would want to upgrade later. Having this functionality in a Live CD would mean that I could just forget about Anaconda in Fedora and stick with a Live CD for all my needs which is confined to a desktop and grabbing stuff on demand off the network.


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