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Re: [LUG] Server and Computer Networks

 

I meant to add the k12ltsp distro used to be the easiest to get going and admin

S

2008/11/13 Steve Lee <steve@xxxxxxxxxxxxxxxxx>:
> 2008/11/12 Richard Brown <rich@xxxxxxxxxxx>:
>> If we went fully Linux with purpose built software to manage the
>> company, what advantage would thin client make please? Local clients
>> would need to process the database, and also emails, web browse, word
>> processor etc.
>
> It's a trade off of where the processing occurs and network activity/access.
>
> With thin client the client become a dumb graphical terminal (plus
> sound) and the server does all the work and runs all the programs
> (it's pretty much a return to the old days of terminals on a shared
> big computer). Thus you can use low spec or older, cheaper, greener
> machines or special thin client devices, they don't even need discs as
> you can arrange remote boot with every thing running off the server.
>
> However the server needs to be able to run all the programs
> concurrently and have enough storage; with applications that are not
> processor or IO intensive that is not an issue, though you may want
> one or 2 thick clients to run programs like CAD or media editing.
>
> The network traffic may increase, though with only input events and
> display updates flying around it can be low and there are various
> protocols like NX that are more efficient. I guess you could have a
> single dedicated network connection from the server to a file or
> database server which would be better than all the clients doing
> file/db access on the main network but I'm guessing here.
>
> As the server becomes the place where all the programs run you get
> simplified admin/deployment but it is also a single point of failure.
> Though I guess you can reduce that with care.
>
> I think you could even mix and match, with a basic thin client set-up
> and some users running windows apps in a virtual box or on thick
> clients.
>
> This really all works because of the design of the X windowing system
> which all Linux apps use. LTSP mostly provides a way to get everything
> going, e.g remote boot.
>
> If you want to play I understand edubuntu includes a LTSP server and
> makes it easy to set up networks. Last time I look the LTSP project
> was very well run with a good site.
>
> You could perhaps ask on the schoolforge.org.uk mail list as several
> people there have experience of using LTSP.
>
> --
> Steve Lee
> Open Source Assistive Technology Software and Accessibility
> fullmeasure.co.uk
>



-- 
Steve Lee
Open Source Assistive Technology Software and Accessibility
fullmeasure.co.uk

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