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2019 server config updated

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Philip Sargent 2019-07-08 12:23:14 +01:00
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@ -14,11 +14,11 @@ still upright and has not been knocked sideways.
</div>
<br>
<p>In 2018 we now have proper internet access in the tatty hut so the set-up on expo is exactly the same
as the rest of the year. An <em>Expo laptop</em> is also provided, but you should be
<p>Since 2018 we now have proper internet access in the tatty hut so the set-up on expo is exactly the same
as the rest of the year. An <em>Expo laptop</em> is also provided, but you should be
able to use your own computer in exactly the same way (if you brought one) as you do at home.</p>
<p>We have our own WiFi ("potatohut" and usual cavey:beery password) which is connected (deviously)
<p>We have our own WiFi ("tattyhut" and usual cavey:beery password) which is connected (deviously)
to the Gasthof campsite WiFi. So please don't stream video or do a lot of operating system updates using it
as the Gasthof is probably paying per GB to their supplier.
@ -30,10 +30,10 @@ thinks you have been on too long. Get instructions from the Gasthof campsite rec
<h3>Expo laptop</h3>
<p>The <em>Expo laptop</em> 'debian' in the tatty hut is a Dell Latitude E4200 laptop (loaned by Phil
Sargent) which is connected to the router by a cable and not by WiFi
(it's wifi doesn't work - although that can probably be fixed). It
also has an external keyboard as a couple of vital keys are dead
(e.g. down-arrow). It runs Linux and has installed all the software
Sargent) which is connected to the router by a cable and also by WiFi
(it's wifi configuration was fixed by Samin 2019). It
also has an external numberpad as a couple of vital keys are dead
(e.g. down-arrow). It runs Linux (debian) and has installed all the software
for talking to the server for:
<ul>
<li>Typing in survey data
@ -43,7 +43,7 @@ for talking to the server for:
<li>Reading this Handbook
</ul>
<p>Any laptop or phone can connect to the server via the "potatohut" WiFi and,
<p>Any laptop or phone can connect to the server via the "tattyhut" WiFi and,
with some configuration, can be set up to do all those things too. New expoers
are advised to use the <em>Expo laptop</em> first to see how it all works.</p>
@ -62,36 +62,36 @@ data on multiple laptops at the same time and it should all get merged.</p>
synchronised with the public server expo.survex.com during the expo.</p>
<h3>Printing and Scanning</h3>
We have A4 printer and scanner attached via usb cables and a usb hub (and coffee warmer) to the <em>Expo laptop</em>.
We have A4 printer and scanner attached via usb cables and a usb hub to the <em>Expo laptop</em>.
In 2018 we also connected the printer to the router with an ethernet cable and this made things more reliable.
Configuring the scanner to be used via WiFi is yet to be done, but the printer is "shared" by the
<em>Expo laptop</em> and so canbe usedby any laptop. (The printer has WiFi itself and so should be useable
<em>Expo laptop</em> and so canbe used by any laptop. (The printer has WiFi itself and so should be useable
directly but we haven't got this configured properly yet.) Use a usb stick to transfer files for printing
if you can't get your own laptop or phone to work with the printer.
<h3>Networking Hardware - experts only</h3>
<p>The networking hardware is an Acer Aspire netbook which keeps us logged in to the Gasthof and does firewalling, plus a WNDR4000 router/AP
<p>The networking hardware is an Acer Aspire netbook which keeps us logged in to the Gasthof and does firewalling
to provide local connectivity and local WiFi. The antenna which we use to connect to the Staudnwirt WiFi
is a ~32cm long black stick mounted on a small shelf high
above the sink/stove area and connected via a usb cable to the Acer netbook.</p>
above the sink/stove area and connected via a usb cable to the Acer netbook. There is no separate router: it is all done by the Acer notebook.</p>
<p>The potato hut WiFi is running DHCP and allocating IP addresses of the form 192.168.200.x where x is 2, 3, 4, 5 etc.
<p>The <em>Expo laptop</em> has fixed local address <a href="http://192.168.200.100/">192.168.200.100</a>.
It has a 2TB drive plugged into it by USB which holds the expo music collection and a local copy of /expofiles/
<p>The router/WiFi device is on <a href="http://192.168.200.1/">192.168.200.1</a> as one might expect.
<p>The potato hut WiFi is running DHCP and allocating IP addresses of the form 192.168.1.x where x is a number between 11 and 99 .
<p>The <em>Expo laptop</em> has a dynamic local address of this form.
It has a 64GB microSD card plugged into it which holds the local copy of /expofiles/ .
<p>The Acer Aspire netbook ("tclaspire3") is on <a href="http://192.168.1.100/">192.168.1.100</a> as one might expect.
<p>The Gasthof WiFi - which you can still use - is "staudnwirt" and has no WiFi password. It allocates IP addresses in the range
192.168.2.x etc. The antenna is now on the first-floor balcony within
sight of the tatty hut window.
<p>The Acer Aspire netbook ("tclaspire3") is on 192.168.200.200 on WiFi.
This is the address to use for configuring it using ssh. So to manage the
<p>The Acer As is on 192.168.1.100 on WiFi.
This is the address to use for configuring it using ssh when everything else has failed. So to manage the
connection to the Gasthof WiFi you would use
<pre>
ssh expo@192.168.200.200
ssh expo@192.168.200.100
</pre>
to run Mark Shinwell's script
to run Mark Shinwell's script (re-edited by Sam 2019)
<pre>/root/fakenet/runfakenet
</pre>
This typically needs to be run once or twice a day when the internt stops working.
@ -111,10 +111,7 @@ pushing the changes to the distributed version control system on
to connect the tattyhut to the internet continuously and not to have our own local server. This coincides with
a much-improved WiFi service at the Gasthof in recent years.
<h3>Footnote</h3>
No, the usb coffee warmer doesn't work. It gets very slightly warm if you press
the button to turn it on but the power drain makes horrid things happen to
the laptops when they boot up. Don't touch it.
<hr>
<ul id="links">
<li><a href="index.htm">Expedition Handbook</a>