Re: AntiSpam UOL (was: bandwidth throttling LTSP machines.)

2004-10-06 Thread Ralf Gesel|ensetter
Am Donnerstag, 7. Oktober 2004 02:26 schrieb Herman Robak: > I just got a message from AntiSpam UOL prompting me to confirm that I > really wanted to send mail to (whomever)@uol.com.br Myself received this message, too, for a dozen times. Search the list for posters from .br and try to reach them

AntiSpam UOL (was: bandwidth throttling LTSP machines.)

2004-10-06 Thread Herman Robak
I just got a message from AntiSpam UOL prompting me to confirm that I really wanted to send mail to (whomever)@uol.com.br Will (whomever) please turn that off or get this mailing list added to a whitelist so that it never happens again, or simply unsubscribe from debian-edu, ASAP?! -- Herman Robak

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Herman Robak
On Thu, 7 Oct 2004 00:52:28 +0100, Gavin McCullagh <[EMAIL PROTECTED]> wrote: I realise that a good switch might well be able to do this but my impression is that Skolelinux should have as few expensive hardware requirements as possible. Beware! Not requiring decent hardware almost encourages

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Gavin McCullagh
Hi, On Wed, 06 Oct 2004, Jonas Smedegaard wrote: > Sounds like WRR (Debian binary package kernel-patch-wrr) to me: > > ~ The WRR scheduler is an extension to the Traffic Control/network > ~ bandwidth management part of the Linux 2.2 and 2.4 kernels. > ~ The scheduler was developed to support dis

Re: proxy.pac -- Proxy Auto-Config File Format

2004-10-06 Thread Jonas Smedegaard
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 06-10-2004 21:07, Ralf Gesel|ensetter wrote: | Hi Jonas, | | I don't understand exactly what to change - and where - is this | the /etc/dhcp3/dhcpd.conf ? And ... (see below) Correct. The file was written to be easily include'able, instead of copied

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Jonas Smedegaard
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 06-10-2004 21:12, Ralf Gesel|ensetter wrote: | hi | | Am Mittwoch, 6. Oktober 2004 20:40 schrieb Jonas Smedegaard: | |>support distributing bandwidth | | | Reading this I wonder to what extend this distribution can be done by | the switch. Modern swi

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Knut Yrvin
onsdag 6. oktober 2004, 20:12, skrev Ben Higginbottom: > I'd be very interested to hear how you handled the training issues > with the staff, this has been our major sticking point with the > adoption. Unfortunately our guides is in Norwegian: http://developer.skolelinux.no/rapporter/statrap_nit

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Finn-Arne Johansen
On Wed, Oct 06, 2004 at 09:02:04PM +0200, Jonas Smedegaard wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On 06-10-2004 13:15, Finn-Arne Johansen wrote: > > > | So if we want to go for "thicker clients", I think the correct > | technology is lessdisks. And with lessdisks we could i

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Jonas Smedegaard
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 06-10-2004 10:55, Gavin McCullagh wrote: | Thin clients generally use more bandwidth than even lessdisks (or similar) | systems. The relatively short period of startup time of OOo might be an | exception of course. Just a clarification: Lessdisks is

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Jonas Smedegaard
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 06-10-2004 13:15, Finn-Arne Johansen wrote: | With lessdisks we can have the same thing as with ltsp. We may have an | easier/better chance to get securoty patches in, but making lessdisks | autoinstall and ready set up is a longer shot than doing th

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Ralf Gesel|ensetter
hi Am Mittwoch, 6. Oktober 2004 20:40 schrieb Jonas Smedegaard: > support distributing bandwidth Reading this I wonder to what extend this distribution can be done by the switch. Modern switches are highly configurable, I do know that you can higher priority to specific outlets (ports) or subdi

Re: proxy.pac -- Proxy Auto-Config File Format

2004-10-06 Thread Ralf Gesel|ensetter
Hi Jonas, I don't understand exactly what to change - and where - is this the /etc/dhcp3/dhcpd.conf ? And ... (see below) Am Mittwoch, 6. Oktober 2004 00:04 schrieb Jonas Smedegaard: > Here's a dhcp3 server snippet I use for my setups: > > # Web Proxy Auto-Discovery Protocol (described in RFC

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Jonas Smedegaard
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 06-10-2004 18:22, Ralf Gesel|ensetter wrote: | Dear Gavin, | | thank you for addressing this topic. From my experiences, I'd plea for one | LTSP server per room - unless there is only adult internet users using thin | clients. I have some pupils who

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Ben Higginbottom
Knut Yrvin wrote: In Norway the the Norwegian Competition Authority has instructed the Directorate for Primary and Secondary Education to support open standards in education. The Directorate are also investigated for supporting[1] Microsoft by flooding schools with free copies of software behem

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Ben Higginbottom
Hi Gavin, Gavin McCullagh wrote: Hi Ben, thanks for your answers. I'm learning slowly :-) Snap :) I think they are. However, a CF Disk or other small boot media on the client machine won't solve that. The applications still have to come from somewhere. Admittedly, I would presume you can run mo

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Ben Higginbottom
Kurt wrote: at the aKademy i learnt about the kiosk tools kiosk tools allow to define, what application pupil can start or configure. It is an textfile, a profile which a user can not change. kiosk is working in KDE 3.2 so it will be in sarge. The framework was introduced in v3 and has been heavily

Re: Sarge-based Debian-edu

2004-10-06 Thread Finn-Arne Johansen
On Wed, Oct 06, 2004 at 04:43:34PM +0200, Harald Thingelstad wrote: > On man, 2004-10-04 at 23:30, Finn-Arne Johansen wrote: > > An otherone that I build whenever I make some changes to some package > > of some sort. > > rsync -vtessh ftp.skolelinux.no:~ftp/cd-sarge/sarge-i386-bzzware.raw > > ft

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Ralf Gesel|ensetter
Dear Gavin, thank you for addressing this topic. From my experiences, I'd plea for one LTSP server per room - unless there is only adult internet users using thin clients. I have some pupils who make fun of running top and then competing for the hightest CPU share. As we have a dual processor m

Re: bandwidth throttling LTSP machines.

2004-10-06 Thread Kurt
* Gavin McCullagh <[EMAIL PROTECTED]> [041006 17:00]: > Hi, > > We run thin clients similar to ltsp in college. Video apps (xine, mplayer, > goom, screen savers, flash, java, vmware! ...) can cause mayhem. > at the aKademy i learnt about the kiosk tools kiosk tools allow to define, what applic

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Harald Thingelstad
> Needs must I suppose. Mind you the price of basic 100MB switches is pretty > low by now. > > http://komplett.ie/k/ki.asp?sku=114804&cks=PRL > I know. We use some of these, especially close to the thinclient server. We can save a lot of ports on these switches by putting old hubs near the thin

bandwidth throttling LTSP machines.

2004-10-06 Thread Gavin McCullagh
Hi, We run thin clients similar to ltsp in college. Video apps (xine, mplayer, goom, screen savers, flash, java, vmware! ...) can cause mayhem. With a small group of colleagues it is easy enough to just tell people not to do this. However, in a school with many LTSP clients and very many studen

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Gavin McCullagh
Hi, On Wed, 06 Oct 2004, Harald Thingelstad wrote: > But put video on it? Animations? > With no compression of image data, bandwith use goes up the roof. Absolutely. It's not an easy thing to solve either. I have an idea about this but will start it in a separate thread. > 2 Mbit per client

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Harald Thingelstad
On ons, 2004-10-06 at 10:55, Gavin McCullagh wrote: > Hi, > > On Wed, 06 Oct 2004, Ben Higginbottom wrote: > > > >It's also a requirement to tackle 2-8 Mbps bandwidth between the schools > > >and a central server-farm. In my experience an university often has at > > >least 10 or 100 Mbps betwee

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Gavin McCullagh
Hi Ben, thanks for your answers. I'm learning slowly :-) On Wed, 06 Oct 2004, Ben Higginbottom wrote: > > Well, he did say there should be a local server. > > Sorry, must have missed that. I thought the X servers themselves were > being run from the farm as opposed to local. I think they are.

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Finn-Arne Johansen
On Tue, Oct 05, 2004 at 12:07:27AM +0200, Knut Yrvin wrote: > mandag 04 oktober 2004, 21:08, skrev Vagrant Cascadian: > > it is called "Lessdisks" or "lessdisks" :) > > Tanks. Fixed in the document :-) > > > > I'll appreciate your comments on this document Jim, Jonas and > > > others: > > > http:

Re: Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Ben Higginbottom
Hi, Gavin McCullagh Wrote: > > Not meaning to be smart or anything, I'm just trying to understand the > test. Well it wasnt anything like a formal test, more akin to half the lug deciding to see if we couldnt break the system by loading a large number of large and seldom used apps. The syste

Re: How bandwidth requirement could be reduced when using thin clients?

2004-10-06 Thread Gavin McCullagh
Hi, On Wed, 06 Oct 2004, Ben Higginbottom wrote: > >It's also a requirement to tackle 2-8 Mbps bandwidth between the schools > >and a central server-farm. In my experience an university often has at > >least 10 or 100 Mbps between buildings. It's not posible to increase > >the bandwidth to 10