Ubuntu thin client-help need at a Tibetan school in India

Hi all,

I am writing from Tibetan Children's Village School,
Dharamsala (H.P.), 
India.  We have decided to introduce Gnu/Linux for our
students in class 
VI and VII and gradually migrating to Gnu/Linux in phase
wise. The 
configurations of the computers in our lab are Celeron
1.5GHz, Intel 
motherboard, 128SD RAM, 52xCDROM, 15" Color Monitor. We
have 30 
computers and all the computers are networked.

I want to implement Ubuntu thin client for the lab to
simplify 
management, configuration, software distribution, anti-virus
fight. etc. 
etc. Could someone suggest what CPU and what size of RAM,
Hard disk 
would we need for the Server machine for the 30 computers.

Thanks!

Phuntsok Dorjee
Dharamsala

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Le lundi 12 mars 2007 à 19:45 +0530, Phuntsok Dorjee a
écrit :
> I want to implement Ubuntu thin client for the lab to
simplify 
> management, configuration, software distribution,
anti-virus fight.
> etc. 
> etc. Could someone suggest what CPU and what size of
RAM, Hard disk 
> would we need for the Server machine for the 30
computers. 

I think you need a fast computer to run as a server :

Memory : 2 gb (512 mb plus 50 mb per client).

A fast hard drive (or two : one for the system, one for the
/home).

Two network cards (one for the clients, one for the
internet).

and there it goes...

Some links :

https://wiki.edubuntu.org/HowToCookEdubuntu/Chapters

http://www.edubuntu.or
g/news/8

François


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Hi,

On Mon, 12 Mar 2007, Phuntsok Dorjee wrote:

> The configurations of the computers in our lab are
Celeron 1.5GHz, Intel
> motherboard, 128SD RAM, 52xCDROM, 15" Color
Monitor. We have 30 computers
> and all the computers are networked.

These would make very powerful thin clients.  That's not a
criticism, just
an observation that you could possibly get more bang for
your buck using
them in a diskless workstation mode (ie so they run the
programs
themselves).  However, as far as I'm aware Edubuntu doesn't
yet support
this mode of operation directly so it might be a bit of a
technical
challenge at present to go that route.

> I want to implement Ubuntu thin client for the lab to
simplify 
> management, configuration, software distribution,
anti-virus fight. etc. 
> etc. Could someone suggest what CPU and what size of
RAM, Hard disk 
> would we need for the Server machine for the 30
computers.

I'd say you want to think in terms of a few things, roughly
in order or
priority:

1. Fault Tolerance -- use RAID 1 or 5  if at all possible. 
If/when a disk
   fails, you probably cannot afford to have all 30 thin
clients die with
   it.  
2. As much RAM as possible.  On a 32-Bit system, you can get
3-4GB.  I'd
   suggest at least 3GB if you can afford it.
3. SCSI disks if at all possible.  They're supposed to be
considerably
   better with multiple users.
4. Possibly 2 cpus -- 3GB RAM first though.  

Don't skimp on quality when it comes to your thin client
server.  It's such
an important component that buying an unreliable one is just
not worth it.
Just think what happens if it goes down.

Our thin client server is currently very under-used (usually
about 5-8
users at a time).  It's a dual 3GHz Intel Xeon with 4GB RAM,
2x 75GB SCSI
disks in software RAID1.  I hope to get it to take 30-40
users
concurrently.

I hope this helps,

Gavin


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Hi

For the Library of the Polytechnic at the University of
Malawi in
Central Africa I installed the following setting:
2 Servers with Core 2 Duo 2.4 Ghz with 2* 250  GB Storage
(soft-Raid)
and 2 GB Memory each
25 Fujitsu-Siemens S300 Thinclients.

Works great, fast and reliable. ;)

More Information: http://lix.cc/projects/
malawi

Kind regards,
Alex Antener

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Dipl. Medienkuenstler FH

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Phuntsok Dorjee wrote:
> Hi all,
>
> I am writing from Tibetan Children's Village School,
Dharamsala (H.P.), 
> India.  We have decided to introduce Gnu/Linux for our
students in class 
> VI and VII and gradually migrating to Gnu/Linux in
phase wise. The 
> configurations of the computers in our lab are Celeron
1.5GHz, Intel 
> motherboard, 128SD RAM, 52xCDROM, 15" Color
Monitor. We have 30 
> computers and all the computers are networked.
>
> I want to implement Ubuntu thin client for the lab to
simplify 
> management, configuration, software distribution,
anti-virus fight. etc. 
> etc. Could someone suggest what CPU and what size of
RAM, Hard disk 
> would we need for the Server machine for the 30
computers.
>
> Thanks!
>
> Phuntsok Dorjee
> Dharamsala
>
>   



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Alex Antener ++ FSFE Core Team Member
antenerfsfeurope.org ++ http://fsfeurope.org

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