--- Anselm Martin Hoffmeister
<[EMAIL PROTECTED]> wrote:
> Am Montag, den 29.08.2005, 12:21 +0200 schrieb
> Christian Schmidt:
> > Hello,
> >
> > Is there a way to do something like Windows XP's
> hibernate function with
> > LTSP clients? What I want is to be able to turn
> off the client and then
> > turn it on later and still have the same programs
> running, the same
> > documents open etc.
> >
> > It is not a problem for me if the programs are
> still running and are
> > using CPU, RAM etc. It would be nice, though, if
> they were somehow
> > stopped, so that my IM client would go offline and
> things like that.
>
> The "problem" of the X technology used in LTSP is
> that it is a
> shared-state model. The state of the screen, among
> other device
> dependant stuff, is on the terminal, while the state
> of the applications
> is on the server. This has enormous advantages when
> it comes to
> complexity and ressource: There is no need for the
> server to run a
> framebuffer copy of every client desktop. On the
> other hand, rebooting a
> client means losing the session. Hibernating it is
> probably not better:
> The processes on the server need to be aware of the
> fact that their
> screen is currently sleeping, which they probably
> will not work with at
> all.
>
> A solution for roaming users with persistent
> sessions (quite like the
> Sun solution, if you happen to know it) is to run a
> X-proxy on the
> server, and on every client connect to check wether
> there already is a
> session for that user - in case yes, connect to the
> X-proxy where that
> session lives, else create a new session in the
> X-proxy and connect
> there. afaik, some Gnome people started playing on
> that.
This sounds interesting. Can you please throw some
more light on how this can be done or please point
some web reference.
Raman.P
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