'Overlay' in terms of Live CD

[Anne Wilson]

On Sunday 03 August 2008 16:07:25 Rahul Sundaram wrote:
> Anne Wilson wrote:
> > Can someone please give me a quick definition of 'overlay' in terms of a
> > live-CD?  I find lots of mentions by googling, but nothing that helps me
> > get to grips with it.  I need to know whether I should set a large
> > overlay if I build from a KDE 4.0 Live CD with the intention of updating
> > to KDE 4.1.
>
> Overlay in simple terms is a additional storage layer. Everything that
> you do as an update is stored in this overlay and more you do updates
> and the larger they are, the larger your overlay size should be.
>
Thanks.  That's more or less what I thought.  Are you able to give me 
any 'educated guess' as to the size I'll need?  I tried creating the disk 
with 1024GB, but since I seem to have got it wrong somewhere (separate 
thread) I'll be doing it afresh.

Anne
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