Laptop, wlan, lan, nat, iTalc, crossover cable and thin client

David Van Assche dvanassche at gmail.com
Sat Nov 21 11:04:20 GMT 2009


Yeah, I've been doing that for a while now... works great... I used it to
show of sugar running over LTSP with a jabber server running... as long as u
dont go overboard with the cliens, then its the perfect demo environment
which I have used to show at many a school..

kind Regards,
David Vam Assche

On Sat, Nov 21, 2009 at 11:56 AM, <asmo.koskinen at arkki.info> wrote:

>
> Well, I think I got it :-D
>
> 1. Laptop as a ltsp server, internet over wlan
> 2. Thin client over lan, crossover cable
> 3. Nat between wlan0 and eth0
> 4. Internet works for thin client
>
> asmok at edubuntu:~$ ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:a0:d1:a3:81:55
>          inet addr:192.168.1.105  Bcast:192.168.1.255  Mask:255.255.255.0
>          inet6 addr: fe80::2a0:d1ff:fea3:8155/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:78948 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:88227 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:67732822 (67.7 MB)  TX bytes:63643526 (63.6 MB)
>          Memory:fc400000-fc420000
>
> wlan0     Link encap:Ethernet  HWaddr 00:1d:e0:67:09:a5
>          inet addr:192.168.0.105  Bcast:192.168.0.255  Mask:255.255.255.0
>          inet6 addr: fe80::21d:e0ff:fe67:9a5/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:69033 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:62779 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:67596126 (67.5 MB)  TX bytes:9492528 (9.4 MB)
>
>
> iptables -t nat -A  POSTROUTING -o wlan0 -j MASQUERADE
> iptables -A FORWARD -i eth0 -o wlan0 -m state --state NEW,ESTABLISHED -j
> ACCEPT
>
>
> And iTalc works very nicely out of box on Edubuntu.
>
>
> http://www.arkki.info/howto/Wiki/LTSP5-Testausta/Edubuntu_Wlan_Lan_iTalc_01.png
>
> -----
>
> So we can use very easily in our next workshop just laptops (and crossover
> cables) as a servers and thin clients. Goodbye heavy servers, cables,
> switches and thin clients.
>
> Best Regards Asmo Koskinen.
>
>
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-- 

Mike Ditka <http://www.brainyquote.com/quotes/authors/m/mike_ditka.html>  -
"If God had wanted man to play soccer, he wouldn't have given us arms."
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