[K12OSN] network design

cliebow at downeast.net cliebow at downeast.net
Mon Feb 7 02:43:24 UTC 2005

ithink it is a reaaly bad idea to have firewall and authentication on same
box..judging by the breakin we had at cavehill friday i see at best denial
of service abd at worst  a complete breach..chuck

> "Support list for opensource software in schools." <k12osn at redhat.com> on
> Sunday, February 6, 2005 at 1:24 AM +0000 wrote:
> >LTSP scales to 30 thin-clients per 4G ram and a dual Cpu box..with that 
> >in mind.
>ging by the breakin we had friday at cavehillud >
> >My idea for a design  would to create LTSP Nodes ie (Ltsp-mosix + 2 cpu 
> >(64 bit) +4G ram + switch (32 x (10/100) + 1x 1000) Mbps ports
> >These server would located in the wiring closest with rack mounted 2U 
> >servers with a 32 10/100/1000 switch for 32 clients.
> >
> >the server would connect back via gigabit to a centrally sited say 
> >(e-smith-mosix) server with large SCSI raid fast single cpu 4G ram
> >and tape backup or dual layer DVD rewriter ..this would do your   domain 
> >/homes /ldap-/samba and mail, squidguard  etc...
> >because the Nodes are identical and modular management and replacement 
> >in the event of failure would be straightforward.
> >
> >ideally your clients would all be the same...  say 17"LCD with built in 
> >Amd Geodes with 64M Ram nice and tidy.
> >
> >I your main office you would have another e-smith server identical the 
> >the school ones (for simplicity)
> >you would setup management (e-smith server-manger etc ) rsync critical 
> >stuff...  sit back and admire your empire...
> >
> >now all you need is to fill in the blanks
> >Eric is trialling 64 bit ltsp..... throw in mosix?? excellent..
> >throw in working LDAP authentication
> >e-smith has excelent design and is rock solid
> >..
> >cheers
> Paul,
> You speak as if you have E-Smith mosix running or at least LDAP
> authentication working via E-Smith....is any of this true?  I am a big
> E-Smith/SME aficionado....have several servers....I've always wanted to
> have E-Smith be the central point of authentication for K12LTSP and
> Windows.   I can do this with my current Samba/LDAP setup, but an E-Smith
> set up would rock!  Fill me in if you have this running.
> David N. Trask
> Technology Teacher/Coordinator
> Vassalboro Community School
> dtrask at vcs.u52.k12.me.us
> (207)923-3100
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