ok thanks for the clarification, I wasn't trying to sound like an ass in my
previous message. I just know at my employer I've had users who think they
know how to fix computers (but all they can do is break them) do more harm then
good, but since we went to roaming profiles/active directory/etc a few years
ago when I started steering the ship, I and made them all regular users and
only IT support staff are administrators, that ended the problems.
Xen is always good for saving power. It's similar to VMWare, you can run
multiple virtual computers on one PC at once. So you could create yourself a
Linux server on an already existing computer. Some of VMware's products are
free, like ESX server, too, so you might look into that.
Does each school have a firewall at their perimeter? Are they networked
together via a VPN, or wide area network? Is your bandwidth billed by the
gigabyte or unlimited, and how fast are the school's connections and # of
computers? You could put your file server in a DMZ on your firewall and have
all school computers update from it (but that may not be a good idea depending
on how much bandwidth and computers your schools have and how much you are
billed for bandwidth, or do it only at schools with no server). But you could
keep your current setup and just have the remote servers grab the latest config
and packages with ssh+rsync.
_____________
We're a long way from that typically. My main site sits on a 100MBit fibre but
the feeder schools are all on 2MBit DSL so syncing stuff or installing over the
Internet would be painfully slow and not reliable. They're also not on a WAN
for the curriculum side of things either. None have a PC which is on 24/7
hence my use of 'cheaper' NAS devices which are more than capable of handling
their needs and can double as central file storage too. Nothing is ideal and
it's a case of matching cost and effectiveness more often than not!
Chris
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