blog/archive/2017/01/index.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
   2           "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr">
   4   <head>
   5     <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
   6     <title>Petter Reinholdtsen: entries from January 2017</title>
   7     <link rel="stylesheet" type="text/css" media="screen" href="http://people.skolelinux.org/pere/blog/style.css" />
   8     <link rel="stylesheet" type="text/css" media="screen" href="http://people.skolelinux.org/pere/blog/vim.css" />
   9     <link rel="alternate" title="RSS Feed" href="01.rss" type="application/rss+xml" />
  10   </head>
  11   <body>
  12     <!-- XML FEED -->
  13     <div class="title">
  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <h3>Entries from January 2017.</h3>
  23
  24     <div class="entry">
  25       <div class="title">
  26         <a href="http://people.skolelinux.org/pere/blog/Where_did_that_package_go___mdash__geolocated_IP_traceroute.html">Where did that package go? &mdash; geolocated IP traceroute</a>
  27       </div>
  28       <div class="date">
  29          9th January 2017
  30       </div>
  31       <div class="body">
  32         <p>Did you ever wonder where the web trafic really flow to reach the
  33 web servers, and who own the network equipment it is flowing through?
  34 It is possible to get a glimpse of this from using traceroute, but it
  35 is hard to find all the details.  Many years ago, I wrote a system to
  36 map the Norwegian Internet (trying to figure out if our plans for a
  37 network game service would get low enough latency, and who we needed
  38 to talk to about setting up game servers close to the users.  Back
  39 then I used traceroute output from many locations (I asked my friends
  40 to run a script and send me their traceroute output) to create the
  41 graph and the map.  The output from traceroute typically look like
  42 this:
  43
  44 <p><pre>
  45 traceroute to www.stortinget.no (85.88.67.10), 30 hops max, 60 byte packets
  46  1  uio-gw10.uio.no (129.240.202.1)  0.447 ms  0.486 ms  0.621 ms
  47  2  uio-gw8.uio.no (129.240.24.229)  0.467 ms  0.578 ms  0.675 ms
  48  3  oslo-gw1.uninett.no (128.39.65.17)  0.385 ms  0.373 ms  0.358 ms
  49  4  te3-1-2.br1.fn3.as2116.net (193.156.90.3)  1.174 ms  1.172 ms  1.153 ms
  50  5  he16-1-1.cr1.san110.as2116.net (195.0.244.234)  2.627 ms he16-1-1.cr2.oslosda310.as2116.net (195.0.244.48)  3.172 ms he16-1-1.cr1.san110.as2116.net (195.0.244.234)  2.857 ms
  51  6  ae1.ar8.oslosda310.as2116.net (195.0.242.39)  0.662 ms  0.637 ms ae0.ar8.oslosda310.as2116.net (195.0.242.23)  0.622 ms
  52  7  89.191.10.146 (89.191.10.146)  0.931 ms  0.917 ms  0.955 ms
  53  8  * * *
  54  9  * * *
  55 [...]
  56 </pre></p>
  57
  58 <p>This show the DNS names and IP addresses of (at least some of the)
  59 network equipment involved in getting the data traffic from me to the
  60 www.stortinget.no server, and how long it took in milliseconds for a
  61 package to reach the equipment and return to me.  Three packages are
  62 sent, and some times the packages do not follow the same path.  This
  63 is shown for hop 5, where three different IP addresses replied to the
  64 traceroute request.</p>
  65
  66 <p>There are many ways to measure trace routes.  Other good traceroute
  67 implementations I use are traceroute (using ICMP packages) mtr (can do
  68 both ICMP, UDP and TCP) and scapy (python library with ICMP, UDP, TCP
  69 traceroute and a lot of other capabilities).  All of them are easily
  70 available in <a href="https://www.debian.org/">Debian</a>.</p>
  71
  72 <p>This time around, I wanted to know the geographic location of
  73 different route points, to visualize how visiting a web page spread
  74 information about the visit to a lot of servers around the globe.  The
  75 background is that a web site today often will ask the browser to get
  76 from many servers the parts (for example HTML, JSON, fonts,
  77 JavaScript, CSS, video) required to display the content.  This will
  78 leak information about the visit to those controlling these servers
  79 and anyone able to peek at the data traffic passing by (like your ISP,
  80 the ISPs backbone provider, FRA, GCHQ, NSA and others).</p>
  81
  82 <p>Lets pick an example, the Norwegian parliament web site
  83 www.stortinget.no.  It is read daily by all members of parliament and
  84 their staff, as well as political journalists, activits and many other
  85 citizens of Norway.  A visit to the www.stortinget.no web site will
  86 ask your browser to contact 8 other servers: ajax.googleapis.com,
  87 insights.hotjar.com, script.hotjar.com, static.hotjar.com,
  88 stats.g.doubleclick.net, www.google-analytics.com,
  89 www.googletagmanager.com and www.netigate.se.  I extracted this by
  90 asking <a href="http://phantomjs.org/">PhantomJS</a> to visit the
  91 Stortinget web page and tell me all the URLs PhantomJS downloaded to
  92 render the page (in HAR format using
  93 <a href="https://github.com/ariya/phantomjs/blob/master/examples/netsniff.js">their
  94 netsniff example</a>.  I am very grateful to Gorm for showing me how
  95 to do this).  My goal is to visualize network traces to all IP
  96 addresses behind these DNS names, do show where visitors personal
  97 information is spread when visiting the page.</p>
  98
  99 <p align="center"><a href="www.stortinget.no-geoip.kml"><img
 100 src="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-geoip-small.png" alt="map of combined traces for URLs used by www.stortinget.no using GeoIP"/></a></p>
 101
 102 <p>When I had a look around for options, I could not find any good
 103 free software tools to do this, and decided I needed my own traceroute
 104 wrapper outputting KML based on locations looked up using GeoIP.  KML
 105 is easy to work with and easy to generate, and understood by several
 106 of the GIS tools I have available.  I got good help from by NUUG
 107 colleague Anders Einar with this, and the result can be seen in
 108 <a href="https://github.com/petterreinholdtsen/kmltraceroute">my
 109 kmltraceroute git repository</a>.  Unfortunately, the quality of the
 110 free GeoIP databases I could find (and the for-pay databases my
 111 friends had access to) is not up to the task.  The IP addresses of
 112 central Internet infrastructure would typically be placed near the
 113 controlling companies main office, and not where the router is really
 114 located, as you can see from <a href="www.stortinget.no-geoip.kml">the
 115 KML file I created</a> using the GeoLite City dataset from MaxMind.
 116
 117 <p align="center"><a href="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-scapy.svg"><img
 118 src="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-scapy-small.png" alt="scapy traceroute graph for URLs used by www.stortinget.no"/></a></p>
 119
 120 <p>I also had a look at the visual traceroute graph created by
 121 <a href="http://www.secdev.org/projects/scapy/">the scrapy project</a>,
 122 showing IP network ownership (aka AS owner) for the IP address in
 123 question.
 124 <a href="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-scapy.svg">The
 125 graph display a lot of useful information about the traceroute in SVG
 126 format</a>, and give a good indication on who control the network
 127 equipment involved, but it do not include geolocation.  This graph
 128 make it possible to see the information is made available at least for
 129 UNINETT, Catchcom, Stortinget, Nordunet, Google, Amazon, Telia, Level
 130 3 Communications and NetDNA.</p>
 131
 132 <p align="center"><a href="https://geotraceroute.com/index.php?node=4&host=www.stortinget.no"><img
 133 src="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-geotraceroute-small.png" alt="example geotraceroute view for www.stortinget.no"/></a></p>
 134
 135 <p>In the process, I came across the
 136 <a href="https://geotraceroute.com/">web service GeoTraceroute</a> by
 137 Salim Gasmi.  Its methology of combining guesses based on DNS names,
 138 various location databases and finally use latecy times to rule out
 139 candidate locations seemed to do a very good job of guessing correct
 140 geolocation.  But it could only do one trace at the time, did not have
 141 a sensor in Norway and did not make the geolocations easily available
 142 for postprocessing.  So I contacted the developer and asked if he
 143 would be willing to share the code (he refused until he had time to
 144 clean it up), but he was interested in providing the geolocations in a
 145 machine readable format, and willing to set up a sensor in Norway.  So
 146 since yesterday, it is possible to run traces from Norway in this
 147 service thanks to a sensor node set up by
 148 <a href="https://www.nuug.no/">the NUUG assosiation</a>, and get the
 149 trace in KML format for further processing.</p>
 150
 151 <p align="center"><a href="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-geotraceroute-kml-join.kml"><img
 152 src="http://people.skolelinux.org/pere/blog/images/2017-01-09-www.stortinget.no-geotraceroute-kml-join.png" alt="map of combined traces for URLs used by www.stortinget.no using geotraceroute"/></a></p>
 153
 154 <p>Here we can see a lot of trafic passes Sweden on its way to
 155 Denmark, Germany, Holland and Ireland.  Plenty of places where the
 156 Snowden confirmations verified the traffic is read by various actors
 157 without your best interest as their top priority.</p>
 158
 159 <p>Combining KML files is trivial using a text editor, so I could loop
 160 over all the hosts behind the urls imported by www.stortinget.no and
 161 ask for the KML file from GeoTraceroute, and create a combined KML
 162 file with all the traces (unfortunately only one of the IP addresses
 163 behind the DNS name is traced this time.  To get them all, one would
 164 have to request traces using IP number instead of DNS names from
 165 GeoTraceroute).  That might be the next step in this project.</p>
 166
 167 <p>Armed with these tools, I find it a lot easier to figure out where
 168 the IP traffic moves and who control the boxes involved in moving it.
 169 And every time the link crosses for example the Swedish border, we can
 170 be sure Swedish Signal Intelligence (FRA) is listening, as GCHQ do in
 171 Britain and NSA in USA and cables around the globe.  (Hm, what should
 172 we tell them? :) Keep that in mind if you ever send anything
 173 unencrypted over the Internet.</p>
 174
 175 <p>PS: KML files are drawn using
 176 <a href="http://ivanrublev.me/kml/">the KML viewer from Ivan
 177 Rublev<a/>, as it was less cluttered than the local Linux application
 178 Marble.  There are heaps of other options too.</p>
 179
 180 <p>As usual, if you use Bitcoin and want to show your support of my
 181 activities, please send Bitcoin donations to my address
 182 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
 183
 184       </div>
 185       <div class="tags">
 186
 187
 188         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/kart">kart</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern</a>, <a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget</a>, <a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance</a>, <a href="http://people.skolelinux.org/pere/blog/tags/web">web</a>.
 189
 190
 191       </div>
 192     </div>
 193     <div class="padding"></div>
 194
 195     <div class="entry">
 196       <div class="title">
 197         <a href="http://people.skolelinux.org/pere/blog/Introducing_ical_archiver_to_split_out_old_iCalendar_entries.html">Introducing ical-archiver to split out old iCalendar entries</a>
 198       </div>
 199       <div class="date">
 200          4th January 2017
 201       </div>
 202       <div class="body">
 203         <p>Do you have a large <a href="https://icalendar.org/">iCalendar</a>
 204 file with lots of old entries, and would like to archive them to save
 205 space and resources?  At least those of us using KOrganizer know that
 206 turning on and off an event set become slower and slower the more
 207 entries are in the set.  While working on migrating our calendars to a
 208 <a href="http://radicale.org/">Radicale CalDAV server</a> on our
 209 <a href="https://freedomboxfoundation.org/">Freedombox server</a/>, my
 210 loved one wondered if I could find a way to split up the calendar file
 211 she had in KOrganizer, and I set out to write a tool.  I spent a few
 212 days writing and polishing the system, and it is now ready for general
 213 consumption.  The
 214 <a href="https://github.com/petterreinholdtsen/ical-archiver">code for
 215 ical-archiver</a> is publicly available from a git repository on
 216 github.  The system is written in Python and depend on
 217 <a href="http://eventable.github.io/vobject/">the vobject Python
 218 module</a>.</p>
 219
 220 <p>To use it, locate the iCalendar file you want to operate on and
 221 give it as an argument to the ical-archiver script.  This will
 222 generate a set of new files, one file per component type per year for
 223 all components expiring more than two years in the past.  The vevent,
 224 vtodo and vjournal entries are handled by the script.  The remaining
 225 entries are stored in a 'remaining' file.</p>
 226
 227 <p>This is what a test run can look like:
 228
 229 <p><pre>
 230 % ical-archiver t/2004-2016.ics
 231 Found 3612 vevents
 232 Found 6 vtodos
 233 Found 2 vjournals
 234 Writing t/2004-2016.ics-subset-vevent-2004.ics
 235 Writing t/2004-2016.ics-subset-vevent-2005.ics
 236 Writing t/2004-2016.ics-subset-vevent-2006.ics
 237 Writing t/2004-2016.ics-subset-vevent-2007.ics
 238 Writing t/2004-2016.ics-subset-vevent-2008.ics
 239 Writing t/2004-2016.ics-subset-vevent-2009.ics
 240 Writing t/2004-2016.ics-subset-vevent-2010.ics
 241 Writing t/2004-2016.ics-subset-vevent-2011.ics
 242 Writing t/2004-2016.ics-subset-vevent-2012.ics
 243 Writing t/2004-2016.ics-subset-vevent-2013.ics
 244 Writing t/2004-2016.ics-subset-vevent-2014.ics
 245 Writing t/2004-2016.ics-subset-vjournal-2007.ics
 246 Writing t/2004-2016.ics-subset-vjournal-2011.ics
 247 Writing t/2004-2016.ics-subset-vtodo-2012.ics
 248 Writing t/2004-2016.ics-remaining.ics
 249 %
 250 </pre></p>
 251
 252 <p>As you can see, the original file is untouched and new files are
 253 written with names derived from the original file.  If you are happy
 254 with their content, the *-remaining.ics file can replace the original
 255 the the others can be archived or imported as historical calendar
 256 collections.</p>
 257
 258 <p>The script should probably be improved a bit.  The error handling
 259 when discovering broken entries is not good, and I am not sure yet if
 260 it make sense to split different entry types into separate files or
 261 not.  The program is thus likely to change.  If you find it
 262 interesting, please get in touch. :)</p>
 263
 264 <p>As usual, if you use Bitcoin and want to show your support of my
 265 activities, please send Bitcoin donations to my address
 266 <b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
 267
 268       </div>
 269       <div class="tags">
 270
 271
 272         Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/standard">standard</a>.
 273
 274
 275       </div>
 276     </div>
 277     <div class="padding"></div>
 278
 279     <p style="text-align: right;"><a href="01.rss"><img src="http://people.skolelinux.org/pere/blog/xml.gif" alt="RSS Feed" width="36" height="14" /></a></p>
 280     <div id="sidebar">
 281
 282
 283
 284 <h2>Archive</h2>
 285 <ul>
 286
 287 <li>2017
 288 <ul>
 289
 290 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/01/">January (2)</a></li>
 291
 292 </ul></li>
 293
 294 <li>2016
 295 <ul>
 296
 297 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/01/">January (3)</a></li>
 298
 299 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/02/">February (2)</a></li>
 300
 301 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/03/">March (3)</a></li>
 302
 303 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/04/">April (8)</a></li>
 304
 305 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/05/">May (8)</a></li>
 306
 307 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/06/">June (2)</a></li>
 308
 309 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/07/">July (2)</a></li>
 310
 311 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/08/">August (5)</a></li>
 312
 313 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/09/">September (2)</a></li>
 314
 315 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/10/">October (3)</a></li>
 316
 317 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/11/">November (8)</a></li>
 318
 319 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/12/">December (5)</a></li>
 320
 321 </ul></li>
 322
 323 <li>2015
 324 <ul>
 325
 326 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
 327
 328 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
 329
 330 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/03/">March (1)</a></li>
 331
 332 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/04/">April (4)</a></li>
 333
 334 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/05/">May (3)</a></li>
 335
 336 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/06/">June (4)</a></li>
 337
 338 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/07/">July (6)</a></li>
 339
 340 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/08/">August (2)</a></li>
 341
 342 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
 343
 344 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
 345
 346 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
 347
 348 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
 349
 350 </ul></li>
 351
 352 <li>2014
 353 <ul>
 354
 355 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 356
 357 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 358
 359 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/03/">March (8)</a></li>
 360
 361 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
 362
 363 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
 364
 365 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
 366
 367 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
 368
 369 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
 370
 371 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
 372
 373 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
 374
 375 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
 376
 377 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 378
 379 </ul></li>
 380
 381 <li>2013
 382 <ul>
 383
 384 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 385
 386 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 387
 388 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 389
 390 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
 391
 392 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
 393
 394 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
 395
 396 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
 397
 398 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
 399
 400 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
 401
 402 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
 403
 404 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
 405
 406 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 407
 408 </ul></li>
 409
 410 <li>2012
 411 <ul>
 412
 413 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 414
 415 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 416
 417 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 418
 419 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 420
 421 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 422
 423 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 424
 425 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
 426
 427 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 428
 429 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 430
 431 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 432
 433 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 434
 435 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 436
 437 </ul></li>
 438
 439 <li>2011
 440 <ul>
 441
 442 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 443
 444 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 445
 446 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
 447
 448 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
 449
 450 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
 451
 452 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
 453
 454 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
 455
 456 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
 457
 458 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 459
 460 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 461
 462 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 463
 464 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 465
 466 </ul></li>
 467
 468 <li>2010
 469 <ul>
 470
 471 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 472
 473 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 474
 475 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 476
 477 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 478
 479 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
 480
 481 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
 482
 483 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
 484
 485 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
 486
 487 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
 488
 489 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
 490
 491 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 492
 493 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 494
 495 </ul></li>
 496
 497 <li>2009
 498 <ul>
 499
 500 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 501
 502 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 503
 504 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 505
 506 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 507
 508 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
 509
 510 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
 511
 512 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
 513
 514 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 515
 516 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
 517
 518 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
 519
 520 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 521
 522 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 523
 524 </ul></li>
 525
 526 <li>2008
 527 <ul>
 528
 529 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 530
 531 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 532
 533 </ul></li>
 534
 535 </ul>
 536
 537
 538
 539 <h2>Tags</h2>
 540 <ul>
 541
 542  <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (13)</a></li>
 543
 544  <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
 545
 546  <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
 547
 548  <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
 549
 550  <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (9)</a></li>
 551
 552  <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (16)</a></li>
 553
 554  <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
 555
 556  <li><a href="http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (2)</a></li>
 557
 558  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (145)</a></li>
 559
 560  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (158)</a></li>
 561
 562  <li><a href="http://people.skolelinux.org/pere/blog/tags/digistan">digistan (10)</a></li>
 563
 564  <li><a href="http://people.skolelinux.org/pere/blog/tags/dld">dld (16)</a></li>
 565
 566  <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (23)</a></li>
 567
 568  <li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
 569
 570  <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (337)</a></li>
 571
 572  <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
 573
 574  <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (12)</a></li>
 575
 576  <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (29)</a></li>
 577
 578  <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
 579
 580  <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (18)</a></li>
 581
 582  <li><a href="http://people.skolelinux.org/pere/blog/tags/h264">h264 (20)</a></li>
 583
 584  <li><a href="http://people.skolelinux.org/pere/blog/tags/intervju">intervju (42)</a></li>
 585
 586  <li><a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (15)</a></li>
 587
 588  <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (20)</a></li>
 589
 590  <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
 591
 592  <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
 593
 594  <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
 595
 596  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
 597
 598  <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
 599
 600  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (39)</a></li>
 601
 602  <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (9)</a></li>
 603
 604  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (285)</a></li>
 605
 606  <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (183)</a></li>
 607
 608  <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (26)</a></li>
 609
 610  <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
 611
 612  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (62)</a></li>
 613
 614  <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (97)</a></li>
 615
 616  <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (1)</a></li>
 617
 618  <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
 619
 620  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
 621
 622  <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
 623
 624  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (10)</a></li>
 625
 626  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 627
 628  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (5)</a></li>
 629
 630  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
 631
 632  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (52)</a></li>
 633
 634  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 635
 636  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 637
 638  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (50)</a></li>
 639
 640  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (5)</a></li>
 641
 642  <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (11)</a></li>
 643
 644  <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (45)</a></li>
 645
 646  <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (2)</a></li>
 647
 648  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 649
 650  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (8)</a></li>
 651
 652  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (59)</a></li>
 653
 654  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 655
 656  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (39)</a></li>
 657
 658 </ul>
 659
 660
 661     </div>
 662     <p style="text-align: right">
 663  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 664 </p>
 665
 666   </body>
 667 </html>