running edubuntu as a virtual server

Daniel Hunt daniel.hunt at gmail.com
Thu Mar 6 18:03:14 GMT 2008


I haven't decided yet. At the moment, it will be used for storage, yes. DHCP
and internet connectivity will be farmed out to separate boxes though.


On Thu, Mar 6, 2008 at 6:00 PM, Madzsar, Andrew <amadzsar at bedford.k12.oh.us>
wrote:

>  Is this server going to be used for storage also?  And will it be
> replacing everything else that the school has?
>
>
> -----Original Message-----
> From: Daniel Hunt [mailto:daniel.hunt at gmail.com <daniel.hunt at gmail.com>]
> Sent: Thu 3/6/2008 11:19 AM
> To: edubuntu-users at lists.ubuntu.com; Madzsar, Andrew
> Subject: Re: running edubuntu as a virtual server
>
> Something funny going on with the reply-to's here I think.
>
> At the moment, the school I'm involved with has a 10/100 network in place
> that I inherited, and I've finally convinced the powers-that-be that a new
> networking arrangement needs to be found if they want to allow the
> school's
> networking capabilities to grow in a manageable fashion.
> Unfortunately, that may well mean that I'll be drafting in a few friends
> to
> help with recabling the school, and running ethernet cables up and down
> the
> fake-ceilings. Hopefully we won't have to go that far though :)
>
> I'm happy in my understanding that in order to go ahead with an LTSP
> network, a gigabit backbone is a requirement, not an optional extra. Or at
> least, in order to have any form of acceptable performance its a
> requirement!
> There are currently ~50 machines on the network in the 2 computer labs in
> the school, plus a few extra ones dotted around the school - totally
> approx
> 60-65 machines. Whatever solution I put in place has absolutely got to
> scale
> above 100, and possibly even up to 120-130, to allow for future growth.
>
> Its for these reasons that I've been looking at the _INCREDIBLY_ over
> powered server. As far as scalability goes, I'm more than confident that a
> machine of this spec will be able to serve the network well enough for the
> next few years at the least. Virtualising for a network containing this
> many
> machines just doesn't feel right to me.
>
> About the Dell pricing - the price for the server I listed is approx
> 7000e,
> which, while expensive, is certainly within the realms of possibilities
> when
> you consider exactly what it is that will be happening to the school from
> a
> technological perspective. I intend to replace absolutely every machine
> that
> they have with thin clients (hopefully mounted on the backs of some
> suitable
> TFT monitors) - it will drastically reduce the running costs of the
> existing
> labs, completely eliminate licencing costs and allow for much cheaper
> scalability options.
>
> Well, thats the sales pitch I'm going for with them ;)
>
> Daniel
>
> On Thu, Mar 6, 2008 at 4:10 PM, Madzsar, Andrew <
> amadzsar at bedford.k12.oh.us>
> wrote:
>
> >  As of now we have 10/100 in place throughout the building.  Ideally
> this
> > grant will allow us to put in a gigabit backbone, a new server, and my
> boss
> > wants 45 clients.
> >
> >
> >
> > If I have it my way we will buy an Xserve and a raid solution which if
> > virtualized can be used by the whole school rather than just the thin
> > clients.
> >
> >
> >
> > I just read your blog.  There is a section on Dell's website where they
> > sell servers without an operating system.  I think you may have to go to
> the
> > small business section.  Also your server specs are out of this world.
> I
> > mean I would love to get my hands on it, but it sounds very expensive.
> How
> > many clients do you want to support?  Now I don't have any experience
> with
> > this, but I would imagine that multiple slower servers would be better
> than
> > one really fast one.  I don't know how well it works but according to
> the
> > manuals you can set up multiple thin client server that synchronize
> files
> > and also do load balancing with the clients connecting to them.  Also
> this
> > way you have redundancy and don't have to worry if something goes down.
> >
> >
> >
> > The two issues that I already see being a problem with my adventure are
> > that there is already a dhcp server in place on a windows server for the
> > whole district.  I will need to figure out how to point the thin client
> boot
> > requests to the linux server.  My 'little network' won't actually be
> > separate from the network that is in place because not all of the thin
> > clients will be in the same room.   Also I am not sure that a
> virtualized
> > server (an affordable one) can handle that kind of a thin client load
> > Though it looks like the server you have spec-ed out could...
> >
> >
> >
> > Let me know what you think.
> >
> >
> >
> > Thanks,
> >
> >    Andrew
> >
> >
> >  ------------------------------
> >
> > *From:* Daniel Hunt [mailto:daniel.hunt at gmail.com<daniel.hunt at gmail.com>
> ]
> > *Sent:* Thursday, March 06, 2008 10:53 AM
> > *To:* Madzsar, Andrew
> > *Subject:* Re: running edubuntu as a virtual server
> >
> >
> >
> > Funnily enough, I'm intended to do a similar thing, albeit with a real
> > server, not a virtual one:
> > http://danielhunt.blogspot.com/2008/03/mo-money-mo-problems.html
> >
> > I'd be quite interested to hear how you intend to go about setting up
> your
> > little network :)
> >
> > Daniel
> >
> > On Thu, Mar 6, 2008 at 3:47 PM, Madzsar, Andrew <
> > amadzsar at bedford.k12.oh.us> wrote:
> >
> > We just received a grant which will allow us to buy around 45 thin
> clients
> > + a server.  Has anyone ever run Edubuntu as a virtualized server?  This
> > school does not usually get new hardware, so if I can get a new xserve
> and
> > (hopefully soon) run vmware or parallels virtual server products on it
> then
> > we would be very happy.
> >
> >
> >
> > -Andrew
> >
> >
> > --
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> >
> >
> >
>
>
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