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On Friday 04 October 2002 02:07, you wrote:
> The following are the applications that I think would be needed for each
> user email (kmail / evolution)
> Browsing (Mozilla / Konqueror)
> Office app (OpenOffice)
pick one for each. not only will this make your support staff (you?) happier,
but it will lower the requirements of the server since less RAM will be used
(shared libraries) ... if you choose applications that meld w/your desktop of
choice, you should also see a benefit in CPU cycles as you'll only be running
one set of desktop support processes.
> 1. What are the minimum specifications for each workstation - how much RAM,
> processor speed, etc - will a 486 16M do or do I need P2's 128M?
for the convergence demo we had Pentiums (not P2s, P1s) in the 100MHz range
with as little as 16MB of RAM and they all ran at very nice speeds.
> 2. Server specs - How many workstations can a server handle. I know it is
> dependent on the server processor, memory, hard drive speeds, but some sort
> of idea would help. For example a P4 1GHz, 256MB would provide enough for 8
> workstations... Any way to figure this out before actually doing it?
we had 5 or 6 stations on a PII-400 w/512MB of RAM... the RAM utilization was
~200MB with every station running something different (e.g. web browser, open
office, games, etc..) but i think that could be made better as well.. the
speed was quite good.
IIRC the fellow who did the largo, fl set up said that there was ~8MB RAM
usage per user on top of the normal base required (which was shared amongst
all users due to how libraries/executables are shared in Linux)
i'd also recommend looking into an SMP machine. a dual processor Athlon system
is pretty cheap these days and have two processors available should give a
boost in responsiveness. last i checked you could get a dual Athlon system
(the MP 1400 or 1600) with .5gb of ram and lots of disk for ~$2k.
> 3. Network limitations - would a 100MB network connection be OK for 20
> workstations on the same switch, or does one have to use separate switches
> and VLAN's?
100MB should be fine ...
> 4. Has anyone actually done this for a group of 20 - 30 users? Any gotchas?
not personally, but many others have... some are linked on the (k12)ltsp site
IIRC ... there is the city of largo, st mary's catholic school also in
florida, some schools in portland, and several others ...
- --
Aaron J. Seigo
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43
"Everything should be made as simple as possible, but not simpler"
- Albert Einstein
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