Hi James

On Tue, 2006-06-06 at 12:16 -0600, James Call wrote:
> We have 25 diskless terminals hooked up to a server and whenever the
> students use tuxtyping, gcompris, or look at a web page with some
> animation/flash then the server gets totally dogged down and terminals
> start locking up.

I think the last version of tuxtyping is not appropriate for LTSP
anymore. It has just become too network intensive :(

I've pested the tux4kids developers about it on their IRC channel, and
it seems that they will add an option to disable the animation on the
main screen (which is the biggest culprit). We've removed tuxtype from
tuXlabs, until they have a fix. I think the problems with GCompris is
memory problems caused by bugs, that is hopefully fixed in recent
versions (I'm testing this in a lab again soon).

> We are using a AMD dualcore with 3gig memory and ipaq desktop diskless
> PXE boots.
> Now everyone at our school thinks it is awesome and want us to expand
> to about 50 terminals next year.

I wouldn't recommend it, unless you add another server. 3GB of RAM is
already a bare-minumum for 24 workstations (more RAM would already be
nice for that amount of workstations). Using a thin client network is
already saving money, stretching server capacity too far is just cutting
too many corners.

> What can we do?? We are in Mexico and our budget is a big constraint.

I understand, we have huge budget constraints here in South Africa too.
What we're going to do is, roll out our labs with Xfce as apposed to
Gnome, which is nearly as good as Gnome in terms of usability and other
cool things, but is way less CPU and RAM intensive, and is more
appropriate for LTSP labs. The next version of Edubuntu may also have an
optional, Edubuntu-customised Xfce set up, although you can already
install Xfce and customise it yourself (Xfce is quite easy to customise
to your needs).

hth

-Jonathan


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