more than 128 M needed for liveCD

Harold Aling h.aling at
Tue Nov 7 08:14:54 UTC 2006

Jonathan Carter wrote:
> Hi Jani
> On Mon, 2006-11-06 at 19:09 +0200, Jani Monoses wrote:
>> Unfortunatley we have a bad regression since dapper. The liveCD will
>> not function properly
>> with 128M of RAM and no swap. This I only noticed in qemu and wrongly
>> assumed (hoped) it's
>> specific to it, but we get bugreports confirming it on real machines. 
>> This sadly makes xubuntu lose one of its selling points :( I have no
>> idea what causes the extra memory
>> use, it may be system-tools-backend which use perl, but I don't know
>> for sure.
> I'm working on a local derivative of Edubuntu/Xubuntu for schools, and
> I've let local people know that we will be using the live cd
> infrastructure. Some of the more technical people was already unhappy
> about this because the livecd doesn't have a rescue mode, and the bigger
> problem they have is that you can't install it on low memory (like
> 128MB) machines.
> What I've done to get arround this, is make the default session a little
> python+glade interface I created, where they can start the installer
> without logging into the Xubuntu session, this allows you to even
> install it on a computer with a bit less than 128MB RAM, here's a
> screenshot of the chooser I made:

When I install (x)ubuntu on a machine, I don't want/need a complete 
desktop environment, the installer alone is more than enough.

If I do want a DE, it would be very nice if it would be selectable (on 


> (artwork not final
> yet, it will look way better when it's done).
> I showed this to cjwatson, and he suggested that it gets integrated in
> GDM instead. That gave me an idea for a fix for this problem for Xubuntu
> too, you could add another session to GDM that will just run ubiquity,
> and make it possible to install on a low-end machine. Otherwise, I'd be
> glad to share my tool when it's more polished, but at the moment the
> code isn't very elegant at all. :)
> -Jonathan

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