Boxed version of Fedora

[Eugene Teo]

<quote sender="Gian Paolo Mureddu">
> Ian Weller escribió:
>> How does Ubuntu do it?  I remember upgrading my sister's computer with
>> one click, and it appeared to work perfectly -- until she decided to
>> unplug the computer during the upgrade. >.<  I have no clue what the end
>> result would've been, but it was probably the best upgrade interface
>> ever.
>
> I'm not sure how does Ubuntu do it, but it shouldn't be too hard to find 
> out by dissecting it and going through the sources. At any rate it has been 
> brought up before and the general consensus is that upgraded systems do 
> suffer performance degradation in one way or another, mainly due to 
> settings sticking from previous versions and the like. Still there should 
> be a way to upgrade without suffering that performance hit, sadly I 
> couldn't say how to do it. Every time it is mentioned, though, is 
> disregarded; or at least, that's what it looks like.

An alternative is to have a second root. User can install the newer
version of Fedora onto the second root. If anything goes wrong during or
after the installation, he can deactivate second root, and reactivate
the last known working root. I believe OpenSolaris has something
similar.

Thanks,
Eugene