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server config additions
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Philip Sargent
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@ -70,7 +70,8 @@ directly but we haven't got this configured properly yet.) Use a usb stick to tr
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if you can't get your own laptop or phone to work with the printer.
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<h3>The Expo Laptop's Friend: Aziraphale</h3>
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<p>In 2019 we have another general-use laptop. This is not connected by any cabling and just uses WiFi. Like the <i>expo laptop</i> it is running debian Linux and has the same set of software installed (survex/aven, tunnelx, therion, tortoisehg, git etc.) and you login to it using the username "expo" and the usual cavey:beery password. It is a 14-inch Thinkpad on loan from Michael Sargent and it is called "aziraphale". The <i>expo laptop</i> is just called "debian".
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<p>In 2019 we had another general-use laptop. This is not connected by any cabling and just uses WiFi. Like the <i>expo laptop</i> it is running debian Linux and has the same set of software installed
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(survex/aven, tunnelx, therion, git etc.) and you login to it using the username "expo" and the usual cavey:beery password. It is a 14-inch Thinkpad on loan from Michael Sargent and it is called "aziraphale". The <i>expo laptop</i> is just called "debian".
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<h3>Networking Hardware - experts only</h3>
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@ -83,7 +84,7 @@ above the sink/stove area and connected via a usb cable to the Acer netbook. The
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<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 .
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<p>The <em>Expo laptop</em> has a dynamic local address of this form.
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It has a 64GB microSD card plugged into it which holds the local copy of /expofiles/ .
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<p>The Acer Aspire netbook ("tclaspire3") is ona static address <a href="http://192.168.1.100/">192.168.1.100</a>.
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<p>The Acer Aspire netbook ("tclaspire3") is on a static address <a href="http://192.168.1.100/">192.168.1.100</a>.
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<p>The Gasthof WiFi - which you can still use - is "StaudnGast" and has no WiFi password but there is a login webpage (Gast/Gastin21). It allocates IP addresses in the range
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192.168.2.x etc. The antenna is now on the first-floor balcony within
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sight of the tatty hut window.
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@ -6,29 +6,101 @@
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<link rel="stylesheet" type="text/css" href="../../css/main2.css" />
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</head>
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<body><style>body { background: #fff url(/images/style/bg-system.png) repeat-x 0 0 }</style>
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<h2 id="tophead">CUCC Expedition Handbook</h2>
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<h2 id="tophead">CUCC Expedition Handbook: Server</h2>
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<h1>The Expo server</h1>
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<p>Troggle is the software which runs the the expo cave survey data management and website. It is not the only thing running on the expo server.
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<h3 id="what">Server configuration</a></h3>
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<h3 id="what">Server configuration: directory structure</a></h3>
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<p>This is the folder structure of the repo <var>:expoweb:</var> which is also the root
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of the website. Note that the webserver (apache) presents many more apparent folders, such as <var>expofiles</var>, than there are folders because that's what it and troggle do.
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<p>In the list below only the <var>handbook</var> folder has been expanded. The <var>years</var> folder includes
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42 subfolders from <var>1976</var> to <var>2019</var>.
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<code><textarea id="folders" rows="30" cols="30">
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.
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├── 1623
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├── 1626
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├── cave_data
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├── css
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├── documents
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├── entrance_data
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├── folk
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├── gallery
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├── handbook
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│ ├── computing
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│ ├── festering
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│ ├── i
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│ ├── l
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│ ├── putty
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│ ├── rig
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│ ├── survey
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│ ├── t
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│ └── troggle
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├── images
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├── map
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├── maps
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├── noinfo
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├── others
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├── pending
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├── photos
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├── piclinks
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├── scripts
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├── signup
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├── templates
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├── tinypix
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├── topos
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└── years</textarea></code>
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<br />apache webserver
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<br />MySQL database
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<br />cgit
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<br />boe
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<br />cron
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<br />Makefile
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<br />bins
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<br />expofiles
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<br />ssh
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<p>The handbook illustrates the i/t/l idiom whereby an image file (i) is displayed with a paragraph of text as an HTML file (l) and there is a thumbnail image (t) which is included in another document, e.g. see <a href="../../1623/walkin.htm">the photographic guide to the walk from the toll road car park</a>.
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<h3 id="what">Server configuration: software</a></h3>
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<ul>
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<li>apache webserver
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<li>MySQL database
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<li>cgit (live webpage showing git status of repos)
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<li>Makefile
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<li>bins
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<li>expofiles
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<li>ssh
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<li>cron
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<li>xapian (search function)
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<li>boe
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</ul>
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<p>[2020-04-10] <em>To be written...</em>
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<p>[2020-05-03] <em>To be written...</em>
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<h3>cron</h3>
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<p>The server runs it's hourly, daily and weekly scripts using the anacron system. In
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<var>~expo/config/cron/</var> on the server, there are <var>expo.hourly</var>
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and <var>expo.daily</var> scripts and these are launched at the appropriate times by
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the server root from <var>/etc/crontab</var>.
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<h3>Search: xapian</h3>
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<p>Installed independently of troggle simply with <var>apt install xapian-omega</var> and
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then configured into the troggle-generated menus in <var>css/main2.css</var>. The function is
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connected with an apache configuration
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<code>ScriptAlias /search /usr/lib/cgi-bin/omega/omega</code> in <var>~expo/config/apache/expo.conf</var>.
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Installed by Wookey in May 2020.
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<h3>boe</h3>
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<p>This is a perl script, and server by the webserver using the configuraiotn
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<code><pre>
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#bank of expo
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#current expedition
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ScriptAlias /boe /home/expo/boe/boc/boc.pl
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<Directory /home/expo/boe/boc>
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AddHandler cgi-script .pl
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SetHandler cgi-script
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Options +ExecCGI
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Require all granted
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</Directory></pre>
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</code> in <var>~expo/config/apache/expo.conf</var>.
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<hr />
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Go on to:
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<a href="trogintro.html">troggle introduction</a><br />
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<a href="trogintro.html">troggle introduction</a><li>
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Return to:
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<a href="../computing/onlinesystems.html">expo online systems overview</a><br />
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<a href="../computing/onlinesystems.html">expo online systems overview</a><li>
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<hr />
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</body>
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</html>
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