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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 2013.</h3>
23
24 <div class="entry">
25 <div class="title">
26 <a href="http://people.skolelinux.org/pere/blog/Welcome_to_the_world__Isenkram_.html">Welcome to the world, Isenkram!</a>
27 </div>
28 <div class="date">
29 22nd January 2013
30 </div>
31 <div class="body">
32 <p>Yesterday, I
33 <a href="http://people.skolelinux.org/pere/blog/First_prototype_ready_making_hardware_easier_to_use_in_Debian.html">asked
34 for testers</a> for my prototype for making Debian better at handling
35 pluggable hardware devices, which I
36 <a href="http://people.skolelinux.org/pere/blog/Lets_make_hardware_dongles_easier_to_use_in_Debian.html">set
37 out to create</a> earlier this month. Several valuable testers showed
38 up, and caused me to really want to to open up the development to more
39 people. But before I did this, I want to come up with a sensible name
40 for this project. Today I finally decided on a new name, and I have
41 renamed the project from hw-support-handler to this new name. In the
42 process, I moved the source to git and made it available as a
43 <a href="http://anonscm.debian.org/gitweb/?p=collab-maint/isenkram.git">collab-maint</a>
44 repository in Debian. The new name? It is <strong>Isenkram</strong>.
45 To fetch and build the latest version of the source, use</p>
46
47 <pre>
48 git clone http://anonscm.debian.org/git/collab-maint/isenkram.git
49 cd isenkram && git-buildpackage -us -uc
50 </pre>
51
52 <p>I have not yet adjusted all files to use the new name yet. If you
53 want to hack on the source or improve the package, please go ahead.
54 But please talk to me first on IRC or via email before you do major
55 changes, to make sure we do not step on each others toes. :)</p>
56
57 <p>If you wonder what 'isenkram' is, it is a Norwegian word for iron
58 stuff, typically meaning tools, nails, screws, etc. Typical hardware
59 stuff, in other words. I've been told it is the Norwegian variant of
60 the German word eisenkram, for those that are familiar with that
61 word.</p>
62
63 <p><strong>Update 2013-01-26</strong>: Added -us -us to build
64 instructions, to avoid confusing people with an error from the signing
65 process.</p>
66
67 <p><strong>Update 2013-01-27</strong>: Switch to HTTP URL for the git
68 clone argument to avoid the need for authentication.</p>
69
70 </div>
71 <div class="tags">
72
73
74 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>.
75
76
77 </div>
78 </div>
79 <div class="padding"></div>
80
81 <div class="entry">
82 <div class="title">
83 <a href="http://people.skolelinux.org/pere/blog/First_prototype_ready_making_hardware_easier_to_use_in_Debian.html">First prototype ready making hardware easier to use in Debian</a>
84 </div>
85 <div class="date">
86 21st January 2013
87 </div>
88 <div class="body">
89 <p>Early this month I set out to try to
90 <a href="http://people.skolelinux.org/pere/blog/Lets_make_hardware_dongles_easier_to_use_in_Debian.html">improve
91 the Debian support for pluggable hardware devices</a>. Now my
92 prototype is working, and it is ready for a larger audience. To test
93 it, fetch the
94 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/">source
95 from the Debian Edu subversion repository</a>, build and install the
96 package. You might have to log out and in again activate the
97 autostart script.</p>
98
99 <p>The design is simple:</p>
100
101 <ul>
102
103 <li>Add desktop entry in /usr/share/autostart/ causing a program
104 hw-support-handlerd to start when the user log in.</li>
105
106 <li>This program listen for kernel events about new hardware (directly
107 from the kernel like udev does), not using HAL dbus events as I
108 initially did.</li>
109
110 <li>When new hardware is inserted, look up the hardware modalias in
111 the APT database, a database
112 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/modaliases?view=markup">available
113 via HTTP</a> and a database available as part of the package.</li>
114
115 <li>If a package is mapped to the hardware in question, the package
116 isn't installed yet and this is the first time the hardware was
117 plugged in, show a desktop notification suggesting to install the
118 package or packages.</li>
119
120 <li>If the user click on the 'install package now' button, ask
121 aptdaemon via the PackageKit API to install the requrired package.</li>
122
123 <li>aptdaemon ask for root password or sudo password, and install the
124 package while showing progress information in a window.</li>
125
126 </ul>
127
128 <p>I still need to come up with a better name for the system. Here
129 are some screen shots showing the prototype in action. First the
130 notification, then the password request, and finally the request to
131 approve all the dependencies. Sorry for the Norwegian Bokmål GUI.</p>
132
133 <p><img src="http://people.skolelinux.org/pere/blog/images/2013-01-21-hw-support-1-notification.png">
134 <br><img src="http://people.skolelinux.org/pere/blog/images/2013-01-21-hw-support-2-password.png">
135 <br><img src="http://people.skolelinux.org/pere/blog/images/2013-01-21-hw-support-3-dependencies.png">
136 <br><img src="http://people.skolelinux.org/pere/blog/images/2013-01-21-hw-support-4-installing.png">
137 <br><img src="http://people.skolelinux.org/pere/blog/images/2013-01-21-hw-support-5-installing-details.png" width="70%"></p>
138
139 <p>The prototype still need to be improved with longer timeouts, but
140 is already useful. The database of hardware to package mappings also
141 need more work. It is currently compatible with the Ubuntu way of
142 storing such information in the package control file, but could be
143 changed to use other formats instead or in addition to the current
144 method. I've dropped the use of discover for this mapping, as the
145 modalias approach is more flexible and easier to use on Linux as long
146 as the Linux kernel expose its modalias strings directly.</p>
147
148 <p><strong>Update 2013-01-21 16:50</strong>: Due to popular demand,
149 here is the command required to check out and build the source: Use
150 '<tt>svn checkout
151 svn://svn.debian.org/debian-edu/trunk/src/hw-support-handler/; cd
152 hw-support-handler; debuild</tt>'. If you lack debuild, install the
153 devscripts package.</p>
154
155 <p><strong>Update 2013-01-23 12:00</strong>: The project is now
156 renamed to Isenkram and the source moved from the Debian Edu
157 subversion repository to a Debian collab-maint git repository. See
158 <a href="http://people.skolelinux.org/pere/blog/Welcome_to_the_world__Isenkram_.html">build
159 instructions</a> for details.</p>
160
161 </div>
162 <div class="tags">
163
164
165 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>.
166
167
168 </div>
169 </div>
170 <div class="padding"></div>
171
172 <div class="entry">
173 <div class="title">
174 <a href="http://people.skolelinux.org/pere/blog/Thank_you_Thinkpad_X41__for_your_long_and_trustworthy_service.html">Thank you Thinkpad X41, for your long and trustworthy service</a>
175 </div>
176 <div class="date">
177 19th January 2013
178 </div>
179 <div class="body">
180 <p>This Christmas my trusty old laptop died. It died quietly and
181 suddenly in bed. With a quiet whimper, it went completely quiet and
182 black. The power button was no longer able to turn it on. It was a
183 IBM Thinkpad X41, and the best laptop I ever had. Better than both
184 Thinkpads X30, X31, X40, X60, X61 and X61S. Far better than the
185 Compaq I had before that. Now I need to find a replacement. To keep
186 going during Christmas, I moved the one year old SSD disk to my old
187 X40 where it fitted (only one I had left that could use it), but it is
188 not a durable solution.
189
190 <p>My laptop needs are fairly modest. This is my wishlist from when I
191 got a new one more than 10 years ago. It still holds true.:)</p>
192
193 <ul>
194
195 <li>Lightweight (around 1 kg) and small volume (preferably smaller
196 than A4).</li>
197 <li>Robust, it will be in my backpack every day.</li>
198 <li>Three button mouse and a mouse pin instead of touch pad.</li>
199 <li>Long battery life time. Preferable a week.</li>
200 <li>Internal WIFI network card.</li>
201 <li>Internal Twisted Pair network card.</li>
202 <li>Some USB slots (2-3 is plenty)</li>
203 <li>Good keyboard - similar to the Thinkpad.</li>
204 <li>Video resolution at least 1024x768, with size around 12" (A4 paper
205 size).</li>
206 <li>Hardware supported by Debian Stable, ie the default kernel and
207 X.org packages.</li>
208 <li>Quiet, preferably fan free (or at least not using the fan most of
209 the time).
210
211 </ul>
212
213 <p>You will notice that there are no RAM and CPU requirements in the
214 list. The reason is simply that the specifications on laptops the
215 last 10-15 years have been sufficient for my needs, and I have to look
216 at other features to choose my laptop. But are there still made as
217 robust laptops as my X41? The Thinkpad X60/X61 proved to be less
218 robust, and Thinkpads seem to be heading in the wrong direction since
219 Lenovo took over. But I've been told that X220 and X1 Carbon might
220 still be useful.</p>
221
222 <p>Perhaps I should rethink my needs, and look for a pad with an
223 external keyboard? I'll have to check the
224 <a href="http://www.linux-laptop.net/">Linux Laptops site</a> for
225 well-supported laptops, or perhaps just buy one preinstalled from one
226 of the vendors listed on the <a href="http://linuxpreloaded.com/">Linux
227 Pre-loaded site</a>.</p>
228
229 </div>
230 <div class="tags">
231
232
233 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>.
234
235
236 </div>
237 </div>
238 <div class="padding"></div>
239
240 <div class="entry">
241 <div class="title">
242 <a href="http://people.skolelinux.org/pere/blog/How_to_find_a_browser_plugin_supporting_a_given_MIME_type.html">How to find a browser plugin supporting a given MIME type</a>
243 </div>
244 <div class="date">
245 18th January 2013
246 </div>
247 <div class="body">
248 <p>Some times I try to figure out which Iceweasel browser plugin to
249 install to get support for a given MIME type. Thanks to
250 <a href="https://wiki.ubuntu.com/MozillaTeam/Plugins">specifications
251 done by Ubuntu</a> and Mozilla, it is possible to do this in Debian.
252 Unfortunately, not very many packages provide the needed meta
253 information, Anyway, here is a small script to look up all browser
254 plugin packages announcing ther MIME support using this specification:</p>
255
256 <pre>
257 #!/usr/bin/python
258 import sys
259 import apt
260 def pkgs_handling_mimetype(mimetype):
261 cache = apt.Cache()
262 cache.open(None)
263 thepkgs = []
264 for pkg in cache:
265 version = pkg.candidate
266 if version is None:
267 version = pkg.installed
268 if version is None:
269 continue
270 record = version.record
271 if not record.has_key('Npp-MimeType'):
272 continue
273 mime_types = record['Npp-MimeType'].split(',')
274 for t in mime_types:
275 t = t.rstrip().strip()
276 if t == mimetype:
277 thepkgs.append(pkg.name)
278 return thepkgs
279 mimetype = "audio/ogg"
280 if 1 < len(sys.argv):
281 mimetype = sys.argv[1]
282 print "Browser plugin packages supporting %s:" % mimetype
283 for pkg in pkgs_handling_mimetype(mimetype):
284 print " %s" %pkg
285 </pre>
286
287 <p>It can be used like this to look up a given MIME type:</p>
288
289 <pre>
290 % ./apt-find-browserplug-for-mimetype
291 Browser plugin packages supporting audio/ogg:
292 gecko-mediaplayer
293 % ./apt-find-browserplug-for-mimetype application/x-shockwave-flash
294 Browser plugin packages supporting application/x-shockwave-flash:
295 browser-plugin-gnash
296 %
297 </pre>
298
299 <p>In Ubuntu this mechanism is combined with support in the browser
300 itself to query for plugins and propose to install the needed
301 packages. It would be great if Debian supported such feature too. Is
302 anyone working on adding it?</p>
303
304 <p><strong>Update 2013-01-18 14:20</strong>: The Debian BTS
305 request for icweasel support for this feature is
306 <a href="http://bugs.debian.org/484010">#484010</a> from 2008 (and
307 <a href="http://bugs.debian.org/698426">#698426</a> from today). Lack
308 of manpower and wish for a different design is the reason thus feature
309 is not yet in iceweasel from Debian.</p>
310
311 </div>
312 <div class="tags">
313
314
315 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>.
316
317
318 </div>
319 </div>
320 <div class="padding"></div>
321
322 <div class="entry">
323 <div class="title">
324 <a href="http://people.skolelinux.org/pere/blog/What_is_the_most_supported_MIME_type_in_Debian_.html">What is the most supported MIME type in Debian?</a>
325 </div>
326 <div class="date">
327 16th January 2013
328 </div>
329 <div class="body">
330 <p>The <a href="http://wiki.debian.org/AppStreamDebianProposal">DEP-11
331 proposal to add AppStream information to the Debian archive</a>, is a
332 proposal to make it possible for a Desktop application to propose to
333 the user some package to install to gain support for a given MIME
334 type, font, library etc. that is currently missing. With such
335 mechanism in place, it would be possible for the desktop to
336 automatically propose and install leocad if some LDraw file is
337 downloaded by the browser.</p>
338
339 <p>To get some idea about the current content of the archive, I decided
340 to write a simple program to extract all .desktop files from the
341 Debian archive and look up the claimed MIME support there. The result
342 can be found on the
343 <a href="http://ftp.skolelinux.org/pub/AppStreamTest">Skolelinux FTP
344 site</a>. Using the collected information, it become possible to
345 answer the question in the title. Here are the 20 most supported MIME
346 types in Debian stable (Squeeze), testing (Wheezy) and unstable (Sid).
347 The complete list is available from the link above.</p>
348
349 <p><strong>Debian Stable:</strong></p>
350
351 <pre>
352 count MIME type
353 ----- -----------------------
354 32 text/plain
355 30 audio/mpeg
356 29 image/png
357 28 image/jpeg
358 27 application/ogg
359 26 audio/x-mp3
360 25 image/tiff
361 25 image/gif
362 22 image/bmp
363 22 audio/x-wav
364 20 audio/x-flac
365 19 audio/x-mpegurl
366 18 video/x-ms-asf
367 18 audio/x-musepack
368 18 audio/x-mpeg
369 18 application/x-ogg
370 17 video/mpeg
371 17 audio/x-scpls
372 17 audio/ogg
373 16 video/x-ms-wmv
374 </pre>
375
376 <p><strong>Debian Testing:</strong></p>
377
378 <pre>
379 count MIME type
380 ----- -----------------------
381 33 text/plain
382 32 image/png
383 32 image/jpeg
384 29 audio/mpeg
385 27 image/gif
386 26 image/tiff
387 26 application/ogg
388 25 audio/x-mp3
389 22 image/bmp
390 21 audio/x-wav
391 19 audio/x-mpegurl
392 19 audio/x-mpeg
393 18 video/mpeg
394 18 audio/x-scpls
395 18 audio/x-flac
396 18 application/x-ogg
397 17 video/x-ms-asf
398 17 text/html
399 17 audio/x-musepack
400 16 image/x-xbitmap
401 </pre>
402
403 <p><strong>Debian Unstable:</strong></p>
404
405 <pre>
406 count MIME type
407 ----- -----------------------
408 31 text/plain
409 31 image/png
410 31 image/jpeg
411 29 audio/mpeg
412 28 application/ogg
413 27 image/gif
414 26 image/tiff
415 26 audio/x-mp3
416 23 audio/x-wav
417 22 image/bmp
418 21 audio/x-flac
419 20 audio/x-mpegurl
420 19 audio/x-mpeg
421 18 video/x-ms-asf
422 18 video/mpeg
423 18 audio/x-scpls
424 18 application/x-ogg
425 17 audio/x-musepack
426 16 video/x-ms-wmv
427 16 video/x-msvideo
428 </pre>
429
430 <p>I am told that PackageKit can provide an API to access the kind of
431 information mentioned in DEP-11. I have not yet had time to look at
432 it, but hope the PackageKit people in Debian are on top of these
433 issues.</p>
434
435 <p><strong>Update 2013-01-16 13:35</strong>: Updated numbers after
436 discovering a typo in my script.</p>
437
438 </div>
439 <div class="tags">
440
441
442 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>.
443
444
445 </div>
446 </div>
447 <div class="padding"></div>
448
449 <div class="entry">
450 <div class="title">
451 <a href="http://people.skolelinux.org/pere/blog/Using_modalias_info_to_find_packages_handling_my_hardware.html">Using modalias info to find packages handling my hardware</a>
452 </div>
453 <div class="date">
454 15th January 2013
455 </div>
456 <div class="body">
457 <p>Yesterday, I wrote about the
458 <a href="http://people.skolelinux.org/pere/blog/Modalias_strings___a_practical_way_to_map__stuff__to_hardware.html">modalias
459 values provided by the Linux kernel</a> following my hope for
460 <a href="http://people.skolelinux.org/pere/blog/Lets_make_hardware_dongles_easier_to_use_in_Debian.html">better
461 dongle support in Debian</a>. Using this knowledge, I have tested how
462 modalias values attached to package names can be used to map packages
463 to hardware. This allow the system to look up and suggest relevant
464 packages when I plug in some new hardware into my machine, and replace
465 discover and discover-data as the database used to map hardware to
466 packages.</p>
467
468 <p>I create a modaliases file with entries like the following,
469 containing package name, kernel module name (if relevant, otherwise
470 the package name) and globs matching the relevant hardware
471 modalias.</p>
472
473 <p><blockquote>
474 Package: package-name
475 <br>Modaliases: module(modaliasglob, modaliasglob, modaliasglob)</p>
476 </blockquote></p>
477
478 <p>It is fairly trivial to write code to find the relevant packages
479 for a given modalias value using this file.</p>
480
481 <p>An entry like this would suggest the video and picture application
482 cheese for many USB web cameras (interface bus class 0E01):</p>
483
484 <p><blockquote>
485 Package: cheese
486 <br>Modaliases: cheese(usb:v*p*d*dc*dsc*dp*ic0Eisc01ip*)</p>
487 </blockquote></p>
488
489 <p>An entry like this would suggest the pcmciautils package when a
490 CardBus bridge (bus class 0607) PCI device is present:</p>
491
492 <p><blockquote>
493 Package: pcmciautils
494 <br>Modaliases: pcmciautils(pci:v*d*sv*sd*bc06sc07i*)
495 </blockquote></p>
496
497 <p>An entry like this would suggest the package colorhug-client when
498 plugging in a ColorHug with USB IDs 04D8:F8DA:</p>
499
500 <p><blockquote>
501 Package: colorhug-client
502 <br>Modaliases: colorhug-client(usb:v04D8pF8DAd*)</p>
503 </blockquote></p>
504
505 <p>I believe the format is compatible with the format of the Packages
506 file in the Debian archive. Ubuntu already uses their Packages file
507 to store their mappings from packages to hardware.</p>
508
509 <p>By adding a XB-Modaliases: header in debian/control, any .deb can
510 announce the hardware it support in a way my prototype understand.
511 This allow those publishing packages in an APT source outside the
512 Debian archive as well as those backporting packages to make sure the
513 hardware mapping are included in the package meta information. I've
514 tested such header in the pymissile package, and its modalias mapping
515 is working as it should with my prototype. It even made it to Ubuntu
516 Raring.</p>
517
518 <p>To test if it was possible to look up supported hardware using only
519 the shell tools available in the Debian installer, I wrote a shell
520 implementation of the lookup code. The idea is to create files for
521 each modalias and let the shell do the matching. Please check out and
522 try the
523 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/hw-support-lookup?view=co">hw-support-lookup</a>
524 shell script. It run without any extra dependencies and fetch the
525 hardware mappings from the Debian archive and the subversion
526 repository where I currently work on my prototype.</p>
527
528 <p>When I use it on a machine with a yubikey inserted, it suggest to
529 install yubikey-personalization:</p>
530
531 <p><blockquote>
532 % ./hw-support-lookup
533 <br>yubikey-personalization
534 <br>%
535 </blockquote></p>
536
537 <p>When I run it on my Thinkpad X40 with a PCMCIA/CardBus slot, it
538 propose to install the pcmciautils package:</p>
539
540 <p><blockquote>
541 % ./hw-support-lookup
542 <br>pcmciautils
543 <br>%
544 </blockquote></p>
545
546 <p>If you know of any hardware-package mapping that should be added to
547 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/modaliases?view=co">my
548 database</a>, please tell me about it.</p>
549
550 <p>It could be possible to generate several of the mappings between
551 packages and hardware. One source would be to look at packages with
552 kernel modules, ie packages with *.ko files in /lib/modules/, and
553 extract their modalias information. Another would be to look at
554 packages with udev rules, ie packages with files in
555 /lib/udev/rules.d/, and extract their vendor/model information to
556 generate a modalias matching rule. I have not tested any of these to
557 see if it work.</p>
558
559 <p>If you want to help implementing a system to let us propose what
560 packages to install when new hardware is plugged into a Debian
561 machine, please send me an email or talk to me on
562 <a href="irc://irc.debian.org/%23debian-devel">#debian-devel</a>.</p>
563
564 </div>
565 <div class="tags">
566
567
568 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>.
569
570
571 </div>
572 </div>
573 <div class="padding"></div>
574
575 <div class="entry">
576 <div class="title">
577 <a href="http://people.skolelinux.org/pere/blog/Modalias_strings___a_practical_way_to_map__stuff__to_hardware.html">Modalias strings - a practical way to map "stuff" to hardware</a>
578 </div>
579 <div class="date">
580 14th January 2013
581 </div>
582 <div class="body">
583 <p>While looking into how to look up Debian packages based on hardware
584 information, to find the packages that support a given piece of
585 hardware, I refreshed my memory regarding modalias values, and decided
586 to document the details. Here are my findings so far, also available
587 in
588 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/">the
589 Debian Edu subversion repository</a>:
590
591 <p><strong>Modalias decoded</strong></p>
592
593 <p>This document try to explain what the different types of modalias
594 values stands for. It is in part based on information from
595 &lt;URL: <a href="https://wiki.archlinux.org/index.php/Modalias">https://wiki.archlinux.org/index.php/Modalias</a> &gt;,
596 &lt;URL: <a href="http://unix.stackexchange.com/questions/26132/how-to-assign-usb-driver-to-device">http://unix.stackexchange.com/questions/26132/how-to-assign-usb-driver-to-device</a> &gt;,
597 &lt;URL: <a href="http://code.metager.de/source/history/linux/stable/scripts/mod/file2alias.c">http://code.metager.de/source/history/linux/stable/scripts/mod/file2alias.c</a> &gt; and
598 &lt;URL: <a href="http://cvs.savannah.gnu.org/viewvc/dmidecode/dmidecode.c?root=dmidecode&view=markup">http://cvs.savannah.gnu.org/viewvc/dmidecode/dmidecode.c?root=dmidecode&view=markup</a> &gt;.
599
600 <p>The modalias entries for a given Linux machine can be found using
601 this shell script:</p>
602
603 <pre>
604 find /sys -name modalias -print0 | xargs -0 cat | sort -u
605 </pre>
606
607 <p>The supported modalias globs for a given kernel module can be found
608 using modinfo:</p>
609
610 <pre>
611 % /sbin/modinfo psmouse | grep alias:
612 alias: serio:ty05pr*id*ex*
613 alias: serio:ty01pr*id*ex*
614 %
615 </pre>
616
617 <p><strong>PCI subtype</strong></p>
618
619 <p>A typical PCI entry can look like this. This is an Intel Host
620 Bridge memory controller:</p>
621
622 <p><blockquote>
623 pci:v00008086d00002770sv00001028sd000001ADbc06sc00i00
624 </blockquote></p>
625
626 <p>This represent these values:</p>
627
628 <pre>
629 v 00008086 (vendor)
630 d 00002770 (device)
631 sv 00001028 (subvendor)
632 sd 000001AD (subdevice)
633 bc 06 (bus class)
634 sc 00 (bus subclass)
635 i 00 (interface)
636 </pre>
637
638 <p>The vendor/device values are the same values outputted from 'lspci
639 -n' as 8086:2770. The bus class/subclass is also shown by lspci as
640 0600. The 0600 class is a host bridge. Other useful bus values are
641 0300 (VGA compatible card) and 0200 (Ethernet controller).</p>
642
643 <p>Not sure how to figure out the interface value, nor what it
644 means.</p>
645
646 <p><strong>USB subtype</strong></p>
647
648 <p>Some typical USB entries can look like this. This is an internal
649 USB hub in a laptop:</p>
650
651 <p><blockquote>
652 usb:v1D6Bp0001d0206dc09dsc00dp00ic09isc00ip00
653 </blockquote></p>
654
655 <p>Here is the values included in this alias:</p>
656
657 <pre>
658 v 1D6B (device vendor)
659 p 0001 (device product)
660 d 0206 (bcddevice)
661 dc 09 (device class)
662 dsc 00 (device subclass)
663 dp 00 (device protocol)
664 ic 09 (interface class)
665 isc 00 (interface subclass)
666 ip 00 (interface protocol)
667 </pre>
668
669 <p>The 0900 device class/subclass means hub. Some times the relevant
670 class is in the interface class section. For a simple USB web camera,
671 these alias entries show up:</p>
672
673 <p><blockquote>
674 usb:v0AC8p3420d5000dcEFdsc02dp01ic01isc01ip00
675 <br>usb:v0AC8p3420d5000dcEFdsc02dp01ic01isc02ip00
676 <br>usb:v0AC8p3420d5000dcEFdsc02dp01ic0Eisc01ip00
677 <br>usb:v0AC8p3420d5000dcEFdsc02dp01ic0Eisc02ip00
678 </blockquote></p>
679
680 <p>Interface class 0E01 is video control, 0E02 is video streaming (aka
681 camera), 0101 is audio control device and 0102 is audio streaming (aka
682 microphone). Thus this is a camera with microphone included.</p>
683
684 <p><strong>ACPI subtype</strong></p>
685
686 <p>The ACPI type is used for several non-PCI/USB stuff. This is an IR
687 receiver in a Thinkpad X40:</p>
688
689 <p><blockquote>
690 acpi:IBM0071:PNP0511:
691 </blockquote></p>
692
693 <p>The values between the colons are IDs.</p>
694
695 <p><strong>DMI subtype</strong></p>
696
697 <p>The DMI table contain lots of information about the computer case
698 and model. This is an entry for a IBM Thinkpad X40, fetched from
699 /sys/devices/virtual/dmi/id/modalias:</p>
700
701 <p><blockquote>
702 dmi:bvnIBM:bvr1UETB6WW(1.66):bd06/15/2005:svnIBM:pn2371H4G:pvrThinkPadX40:rvnIBM:rn2371H4G:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
703 </blockquote></p>
704
705 <p>The values present are</p>
706
707 <pre>
708 bvn IBM (BIOS vendor)
709 bvr 1UETB6WW(1.66) (BIOS version)
710 bd 06/15/2005 (BIOS date)
711 svn IBM (system vendor)
712 pn 2371H4G (product name)
713 pvr ThinkPadX40 (product version)
714 rvn IBM (board vendor)
715 rn 2371H4G (board name)
716 rvr NotAvailable (board version)
717 cvn IBM (chassis vendor)
718 ct 10 (chassis type)
719 cvr NotAvailable (chassis version)
720 </pre>
721
722 <p>The chassis type 10 is Notebook. Other interesting values can be
723 found in the dmidecode source:</p>
724
725 <pre>
726 3 Desktop
727 4 Low Profile Desktop
728 5 Pizza Box
729 6 Mini Tower
730 7 Tower
731 8 Portable
732 9 Laptop
733 10 Notebook
734 11 Hand Held
735 12 Docking Station
736 13 All In One
737 14 Sub Notebook
738 15 Space-saving
739 16 Lunch Box
740 17 Main Server Chassis
741 18 Expansion Chassis
742 19 Sub Chassis
743 20 Bus Expansion Chassis
744 21 Peripheral Chassis
745 22 RAID Chassis
746 23 Rack Mount Chassis
747 24 Sealed-case PC
748 25 Multi-system
749 26 CompactPCI
750 27 AdvancedTCA
751 28 Blade
752 29 Blade Enclosing
753 </pre>
754
755 <p>The chassis type values are not always accurately set in the DMI
756 table. For example my home server is a tower, but the DMI modalias
757 claim it is a desktop.</p>
758
759 <p><strong>SerIO subtype</strong></p>
760
761 <p>This type is used for PS/2 mouse plugs. One example is from my
762 test machine:</p>
763
764 <p><blockquote>
765 serio:ty01pr00id00ex00
766 </blockquote></p>
767
768 <p>The values present are</p>
769
770 <pre>
771 ty 01 (type)
772 pr 00 (prototype)
773 id 00 (id)
774 ex 00 (extra)
775 </pre>
776
777 <p>This type is supported by the psmouse driver. I am not sure what
778 the valid values are.</p>
779
780 <p><strong>Other subtypes</strong></p>
781
782 <p>There are heaps of other modalias subtypes according to
783 file2alias.c. There is the rest of the list from that source: amba,
784 ap, bcma, ccw, css, eisa, hid, i2c, ieee1394, input, ipack, isapnp,
785 mdio, of, parisc, pcmcia, platform, scsi, sdio, spi, ssb, vio, virtio,
786 vmbus, x86cpu and zorro. I did not spend time documenting all of
787 these, as they do not seem relevant for my intended use with mapping
788 hardware to packages when new stuff is inserted during run time.</p>
789
790 <p><strong>Looking up kernel modules using modalias values</strong></p>
791
792 <p>To check which kernel modules provide support for a given modalias,
793 one can use the following shell script:</p>
794
795 <pre>
796 for id in $(find /sys -name modalias -print0 | xargs -0 cat | sort -u); do \
797 echo "$id" ; \
798 /sbin/modprobe --show-depends "$id"|sed 's/^/ /' ; \
799 done
800 </pre>
801
802 <p>The output can look like this (only the first few entries as the
803 list is very long on my test machine):</p>
804
805 <pre>
806 acpi:ACPI0003:
807 insmod /lib/modules/2.6.32-5-686/kernel/drivers/acpi/ac.ko
808 acpi:device:
809 FATAL: Module acpi:device: not found.
810 acpi:IBM0068:
811 insmod /lib/modules/2.6.32-5-686/kernel/drivers/char/nvram.ko
812 insmod /lib/modules/2.6.32-5-686/kernel/drivers/leds/led-class.ko
813 insmod /lib/modules/2.6.32-5-686/kernel/net/rfkill/rfkill.ko
814 insmod /lib/modules/2.6.32-5-686/kernel/drivers/platform/x86/thinkpad_acpi.ko
815 acpi:IBM0071:PNP0511:
816 insmod /lib/modules/2.6.32-5-686/kernel/lib/crc-ccitt.ko
817 insmod /lib/modules/2.6.32-5-686/kernel/net/irda/irda.ko
818 insmod /lib/modules/2.6.32-5-686/kernel/drivers/net/irda/nsc-ircc.ko
819 [...]
820 </pre>
821
822 <p>If you want to help implementing a system to let us propose what
823 packages to install when new hardware is plugged into a Debian
824 machine, please send me an email or talk to me on
825 <a href="irc://irc.debian.org/%23debian-devel">#debian-devel</a>.</p>
826
827 <p><strong>Update 2013-01-15:</strong> Rewrite "cat $(find ...)" to
828 "find ... -print0 | xargs -0 cat" to make sure it handle directories
829 in /sys/ with space in them.</p>
830
831 </div>
832 <div class="tags">
833
834
835 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>.
836
837
838 </div>
839 </div>
840 <div class="padding"></div>
841
842 <div class="entry">
843 <div class="title">
844 <a href="http://people.skolelinux.org/pere/blog/Moved_the_pymissile_Debian_packaging_to_collab_maint.html">Moved the pymissile Debian packaging to collab-maint</a>
845 </div>
846 <div class="date">
847 10th January 2013
848 </div>
849 <div class="body">
850 <p>As part of my investigation on how to improve the support in Debian
851 for hardware dongles, I dug up my old Mark and Spencer USB Rocket
852 Launcher and updated the Debian package
853 <a href="http://packages.qa.debian.org/pymissile">pymissile</a> to make
854 sure udev will fix the device permissions when it is plugged in. I
855 also added a "Modaliases" header to test it in the Debian archive and
856 hopefully make the package be proposed by jockey in Ubuntu when a user
857 plug in his rocket launcher. In the process I moved the source to a
858 git repository under collab-maint, to make it easier for any DD to
859 contribute. <a href="http://code.google.com/p/pymissile/">Upstream</a>
860 is not very active, but the software still work for me even after five
861 years of relative silence. The new git repository is not listed in
862 the uploaded package yet, because I want to test the other changes a
863 bit more before I upload the new version. If you want to check out
864 the new version with a .desktop file included, visit the
865 <a href="http://anonscm.debian.org/gitweb/?p=collab-maint/pymissile.git">gitweb
866 view</a> or use "<tt>git clone
867 git://anonscm.debian.org/collab-maint/pymissile.git</tt>".</p>
868
869 </div>
870 <div class="tags">
871
872
873 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>, <a href="http://people.skolelinux.org/pere/blog/tags/robot">robot</a>.
874
875
876 </div>
877 </div>
878 <div class="padding"></div>
879
880 <div class="entry">
881 <div class="title">
882 <a href="http://people.skolelinux.org/pere/blog/Lets_make_hardware_dongles_easier_to_use_in_Debian.html">Lets make hardware dongles easier to use in Debian</a>
883 </div>
884 <div class="date">
885 9th January 2013
886 </div>
887 <div class="body">
888 <p>One thing that annoys me with Debian and Linux distributions in
889 general, is that there is a great package management system with the
890 ability to automatically install software packages by downloading them
891 from the distribution mirrors, but no way to get it to automatically
892 install the packages I need to use the hardware I plug into my
893 machine. Even if the package to use it is easily available from the
894 Linux distribution. When I plug in a LEGO Mindstorms NXT, it could
895 suggest to automatically install the python-nxt, nbc and t2n packages
896 I need to talk to it. When I plug in a Yubikey, it could propose the
897 yubikey-personalization package. The information required to do this
898 is available, but no-one have pulled all the pieces together.</p>
899
900 <p>Some years ago, I proposed to
901 <a href="http://lists.debian.org/debian-devel/2010/05/msg01206.html">use
902 the discover subsystem to implement this</a>. The idea is fairly
903 simple:
904
905 <ul>
906
907 <li>Add a desktop entry in /usr/share/autostart/ pointing to a program
908 starting when a user log in.</li>
909
910 <li>Set this program up to listen for kernel events emitted when new
911 hardware is inserted into the computer.</li>
912
913 <li>When new hardware is inserted, look up the hardware ID in a
914 database mapping to packages, and take note of any non-installed
915 packages.</li>
916
917 <li>Show a message to the user proposing to install the discovered
918 package, and make it easy to install it.</li>
919
920 </ul>
921
922 <p>I am not sure what the best way to implement this is, but my
923 initial idea was to use dbus events to discover new hardware, the
924 discover database to find packages and
925 <a href="http://www.packagekit.org/">PackageKit</a> to install
926 packages.</p>
927
928 <p>Yesterday, I found time to try to implement this idea, and the
929 draft package is now checked into
930 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/">the
931 Debian Edu subversion repository</a>. In the process, I updated the
932 <a href="http://packages.qa.debian.org/d/discover-data.html">discover-data</a>
933 package to map the USB ids of LEGO Mindstorms and Yubikey devices to
934 the relevant packages in Debian, and uploaded a new version
935 2.2013.01.09 to unstable. I also discovered that the current
936 <a href="http://packages.qa.debian.org/d/discover.html">discover</a>
937 package in Debian no longer discovered any USB devices, because
938 /proc/bus/usb/devices is no longer present. I ported it to use
939 libusb as a fall back option to get it working. The fixed package
940 version 2.1.2-6 is now in experimental (didn't upload it to unstable
941 because of the freeze).</p>
942
943 <p>With this prototype in place, I can insert my Yubikey, and get this
944 desktop notification to show up (only once, the first time it is
945 inserted):</p>
946
947 <p align="center"><img src="http://people.skolelinux.org/pere/blog/images/2013-01-09-hw-autoinstall.png"></p>
948
949 <p>For this prototype to be really useful, some way to automatically
950 install the proposed packages by pressing the "Please install
951 program(s)" button should to be implemented.</p>
952
953 <p>If this idea seem useful to you, and you want to help make it
954 happen, please help me update the discover-data database with mappings
955 from hardware to Debian packages. Check if 'discover-pkginstall -l'
956 list the package you would like to have installed when a given
957 hardware device is inserted into your computer, and report bugs using
958 reportbug if it isn't. Or, if you know of a better way to provide
959 such mapping, please let me know.</p>
960
961 <p>This prototype need more work, and there are several questions that
962 should be considered before it is ready for production use. Is dbus
963 the correct way to detect new hardware? At the moment I look for HAL
964 dbus events on the system bus, because that is the events I could see
965 on my Debian Squeeze KDE desktop. Are there better events to use?
966 How should the user be notified? Is the desktop notification
967 mechanism the best option, or should the background daemon raise a
968 popup instead? How should packages be installed? When should they
969 not be installed?</p>
970
971 <p>If you want to help getting such feature implemented in Debian,
972 please send me an email. :)</p>
973
974 </div>
975 <div class="tags">
976
977
978 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>.
979
980
981 </div>
982 </div>
983 <div class="padding"></div>
984
985 <div class="entry">
986 <div class="title">
987 <a href="http://people.skolelinux.org/pere/blog/New_IRC_channel_for_LEGO_designers_using_Debian.html">New IRC channel for LEGO designers using Debian</a>
988 </div>
989 <div class="date">
990 2nd January 2013
991 </div>
992 <div class="body">
993 <p>During Christmas, I have worked a bit on the Debian support for
994 <a href="http://mindstorms.lego.com/en-us/Default.aspx">LEGO Mindstorm
995 NXT</a>. My son and I have played a bit with my NXT set, and I
996 discovered I had to build all the tools myself because none were
997 already in Debian Squeeze. If Debian support for LEGO is something
998 you care about, please join me on the IRC channel
999 <a href="irc://irc.debian.org/%23debian-lego">#debian-lego</a> (server
1000 irc.debian.org). There is a lot that could be done to improve the
1001 Debian support for LEGO designers. For example both CAD software
1002 and Mindstorm compilers are missing. :)</p>
1003
1004 <p>Update 2012-01-03: A
1005 <a href="http://wiki.debian.org/LegoDesigners">project page</a>
1006 including links to Lego related packages is now available.</p>
1007
1008 </div>
1009 <div class="tags">
1010
1011
1012 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/lego">lego</a>, <a href="http://people.skolelinux.org/pere/blog/tags/robot">robot</a>.
1013
1014
1015 </div>
1016 </div>
1017 <div class="padding"></div>
1018
1019 <div class="entry">
1020 <div class="title">
1021 <a href="http://people.skolelinux.org/pere/blog/Lenker_for_2013_01_01.html">Lenker for 2013-01-01</a>
1022 </div>
1023 <div class="date">
1024 1st January 2013
1025 </div>
1026 <div class="body">
1027 <p>Her er noen lenker til tekster jeg har satt pris på å lese den
1028 siste måneden.</p>
1029
1030 <ul>
1031
1032 <li>2012-12-07
1033 <a href="http://www.idg.no/computerworld/article262047.ece">Myter og
1034 FUD om fri programvare</a> av min venn Christer Gundersen som
1035 kommenterer noen av de påstandene som er spredt via Computerworld
1036 Norge de siste månedene.</li>
1037
1038 <li>BankID er et opplegg der utsteder (dvs. banken eller dens
1039 leverandør) sitter på alt som trengs for å bruke BankID, men har
1040 lovet å ikke bruke den unntatt på oppdrag fra deg. Det er greit nok
1041 for banktjenester, der banken allerede har full kontroll over
1042 resultatet, men problematisk når det gjelder tilgang til
1043 helseopplysninger og avtaleinngåelse med andre enn banken. Jeg
1044 håper protestene brer om seg.
1045
1046 <ul>
1047
1048 <li>2012-12-11 <a href="http://www.aftenposten.no/meninger/debatt/BankID-blottlegger-helseopplysninger-7067148.html">BankID
1049 blottlegger helseopplysninger</a></li>
1050
1051 <li>2012-12-07 <a href="http://www.nrk.no/nyheter/norge/1.9695027">-
1052 Helseopplysningene ikke sikre med Bank-ID</a></li>
1053
1054 <li>2012-12-07
1055 <a href="https://www.bankid.no/Presse-og-nyheter/Nyhetsarkiv/2012/Papeker-alvorlige-men-kjente-utfordringer/">PÃ¥peker
1056 alvorlige, men kjente utfordringer</a> er den offisielle
1057 holdningen til de som lager BankID.</li>
1058
1059 <li>2012-12-08
1060 <a href="http://www.tnp.no/norway/panorama/3419-ntnu-researcher-warns-against-security-of-bank-id-password">NTNU
1061 Researcher Warns against Security of Bank ID Password</a>
1062
1063 </ul>
1064
1065 <li>2012-12-11 <a href="http://www.aftenposten.no/nyheter/iriks/Norske-elever-er-darligst-i-Europa-pa-algebra-7066752.html">Norske elever er dårligst i Europa på algebra</a>
1066
1067 <li>2012-12-11
1068 <a href="http://www.aftenposten.no/meninger/debatt/Realfagsdodaren-7067173.html">Realfagsdødaren</a>
1069
1070 <li>2012-12-21
1071 <a href="http://www.bt.no/nyheter/innenriks/112/--Forventningene-er-for-hoye-2816450.html">-
1072 Noen må bli skuffet</a> - Politiet i Bergen forteller hvor lavt de
1073 prioriterer hverdagskriminalitet.</li>
1074
1075 <li>2012-05-03
1076 <a href="http://e24.no/jobb/kripos-ansatt-doemt-for-snoking-for-venn/20208585">
1077 Kripos-ansatt dømt for snoking for venn</A> - viser hvor svak
1078 reaksjonen blir når politiet misbruker innsamlet informasjon. En
1079 forvarsel på konsekvensene av nasjonal brev- og besøkskontroll -
1080 ofte kalt Datalagringsdirektivet.</li>
1081
1082 <li>2012-12-14
1083 <a href="http://www.dagbladet.no/2012/12/14/kultur/debatt/kronikk/jul/ensomhet/24838541/">Ã…
1084 smøre en forskjell</a> - om ensomhet og jul.</li>
1085
1086 <li>2012-12-18
1087 <a href="http://www.aftenposten.no/meninger/kronikker/n-krise-av-gangen_-takk-7072452.html">Én
1088 krise av gangen, takk!</a>
1089
1090
1091 <li>2012-12-17
1092 <a href="http://www.aftenposten.no/meninger/NAV-Et-mangehodet-monster--7072165.html">NAV:
1093 Et mangehodet monster</a></li>
1094
1095 <li>2011-01-12
1096 <a href="http://www.dagbladet.no/2011/01/12/kultur/debatt/kronikk/personvern/15027203/">Pasienter
1097 uten vern</a> - forteller litt om hvordan Norsk Pasientregister og
1098 andre helseregister raderer bort pasienters privatsfære.</li>
1099
1100
1101 <li>2012-12-19
1102 <a href="http://www.aftenposten.no/meninger/debatt/Hvorfor-er-barnefamilier-fattige-7073951.html">Hvorfor
1103 er barnefamilier fattige?</a></li>
1104
1105 <li>2012-12-25
1106 <a href="http://www.aftenposten.no/meninger/spaltister/Den-skjulte-minoriteten--konservative-kristne-i-Norge-7075518.html">Den
1107 skjulte minoriteten – konservative kristne i Norge</a> - kronikk av
1108 Bjørn Stærk fra aftenposten</li>
1109
1110 <li>2009-05-04
1111 <a href="http://deltemeninger.no/-/bulletin/show/303429_folkebiblioteket-2-0?ref=checkpoint">Folkebiblioteket
1112 2.0</a> - Min venn Sturle om opphavsrett og Internett, i debatt med
1113 Olav Torvund.</li>
1114
1115 </ul>
1116
1117 <p>Og et godt nytt år til dere alle!</p>
1118
1119 </div>
1120 <div class="tags">
1121
1122
1123 Tags: <a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid</a>, <a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker</a>, <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>, <a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett</a>, <a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern</a>.
1124
1125
1126 </div>
1127 </div>
1128 <div class="padding"></div>
1129
1130 <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>
1131 <div id="sidebar">
1132
1133
1134
1135 <h2>Archive</h2>
1136 <ul>
1137
1138 <li>2022
1139 <ul>
1140
1141 <li><a href="http://people.skolelinux.org/pere/blog/archive/2022/02/">February (1)</a></li>
1142
1143 <li><a href="http://people.skolelinux.org/pere/blog/archive/2022/03/">March (1)</a></li>
1144
1145 </ul></li>
1146
1147 <li>2021
1148 <ul>
1149
1150 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/01/">January (2)</a></li>
1151
1152 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/02/">February (1)</a></li>
1153
1154 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/05/">May (1)</a></li>
1155
1156 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/06/">June (1)</a></li>
1157
1158 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/07/">July (3)</a></li>
1159
1160 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/08/">August (1)</a></li>
1161
1162 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/09/">September (1)</a></li>
1163
1164 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/10/">October (1)</a></li>
1165
1166 <li><a href="http://people.skolelinux.org/pere/blog/archive/2021/12/">December (1)</a></li>
1167
1168 </ul></li>
1169
1170 <li>2020
1171 <ul>
1172
1173 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/02/">February (2)</a></li>
1174
1175 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/03/">March (2)</a></li>
1176
1177 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/04/">April (2)</a></li>
1178
1179 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/05/">May (3)</a></li>
1180
1181 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/06/">June (2)</a></li>
1182
1183 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/07/">July (1)</a></li>
1184
1185 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/09/">September (1)</a></li>
1186
1187 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/10/">October (1)</a></li>
1188
1189 <li><a href="http://people.skolelinux.org/pere/blog/archive/2020/11/">November (1)</a></li>
1190
1191 </ul></li>
1192
1193 <li>2019
1194 <ul>
1195
1196 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/01/">January (4)</a></li>
1197
1198 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/02/">February (3)</a></li>
1199
1200 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/03/">March (3)</a></li>
1201
1202 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/05/">May (2)</a></li>
1203
1204 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/06/">June (5)</a></li>
1205
1206 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/07/">July (2)</a></li>
1207
1208 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/08/">August (1)</a></li>
1209
1210 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/09/">September (1)</a></li>
1211
1212 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/11/">November (1)</a></li>
1213
1214 <li><a href="http://people.skolelinux.org/pere/blog/archive/2019/12/">December (4)</a></li>
1215
1216 </ul></li>
1217
1218 <li>2018
1219 <ul>
1220
1221 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/01/">January (1)</a></li>
1222
1223 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/02/">February (5)</a></li>
1224
1225 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/03/">March (5)</a></li>
1226
1227 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/04/">April (3)</a></li>
1228
1229 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/06/">June (2)</a></li>
1230
1231 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/07/">July (5)</a></li>
1232
1233 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/08/">August (3)</a></li>
1234
1235 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/09/">September (3)</a></li>
1236
1237 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/10/">October (5)</a></li>
1238
1239 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/11/">November (2)</a></li>
1240
1241 <li><a href="http://people.skolelinux.org/pere/blog/archive/2018/12/">December (4)</a></li>
1242
1243 </ul></li>
1244
1245 <li>2017
1246 <ul>
1247
1248 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/01/">January (4)</a></li>
1249
1250 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/02/">February (3)</a></li>
1251
1252 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/03/">March (5)</a></li>
1253
1254 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/04/">April (2)</a></li>
1255
1256 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/06/">June (5)</a></li>
1257
1258 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/07/">July (1)</a></li>
1259
1260 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/08/">August (1)</a></li>
1261
1262 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/09/">September (3)</a></li>
1263
1264 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/10/">October (5)</a></li>
1265
1266 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/11/">November (3)</a></li>
1267
1268 <li><a href="http://people.skolelinux.org/pere/blog/archive/2017/12/">December (4)</a></li>
1269
1270 </ul></li>
1271
1272 <li>2016
1273 <ul>
1274
1275 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/01/">January (3)</a></li>
1276
1277 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/02/">February (2)</a></li>
1278
1279 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/03/">March (3)</a></li>
1280
1281 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/04/">April (8)</a></li>
1282
1283 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/05/">May (8)</a></li>
1284
1285 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/06/">June (2)</a></li>
1286
1287 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/07/">July (2)</a></li>
1288
1289 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/08/">August (5)</a></li>
1290
1291 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/09/">September (2)</a></li>
1292
1293 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/10/">October (3)</a></li>
1294
1295 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/11/">November (8)</a></li>
1296
1297 <li><a href="http://people.skolelinux.org/pere/blog/archive/2016/12/">December (5)</a></li>
1298
1299 </ul></li>
1300
1301 <li>2015
1302 <ul>
1303
1304 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
1305
1306 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/02/">February (6)</a></li>
1307
1308 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/03/">March (1)</a></li>
1309
1310 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/04/">April (4)</a></li>
1311
1312 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/05/">May (3)</a></li>
1313
1314 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/06/">June (4)</a></li>
1315
1316 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/07/">July (6)</a></li>
1317
1318 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/08/">August (2)</a></li>
1319
1320 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
1321
1322 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
1323
1324 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/11/">November (6)</a></li>
1325
1326 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/12/">December (3)</a></li>
1327
1328 </ul></li>
1329
1330 <li>2014
1331 <ul>
1332
1333 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
1334
1335 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
1336
1337 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/03/">March (8)</a></li>
1338
1339 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
1340
1341 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
1342
1343 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
1344
1345 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
1346
1347 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
1348
1349 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
1350
1351 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
1352
1353 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
1354
1355 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
1356
1357 </ul></li>
1358
1359 <li>2013
1360 <ul>
1361
1362 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
1363
1364 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
1365
1366 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
1367
1368 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
1369
1370 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
1371
1372 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
1373
1374 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
1375
1376 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
1377
1378 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
1379
1380 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
1381
1382 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
1383
1384 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
1385
1386 </ul></li>
1387
1388 <li>2012
1389 <ul>
1390
1391 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
1392
1393 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
1394
1395 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
1396
1397 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
1398
1399 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
1400
1401 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
1402
1403 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
1404
1405 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
1406
1407 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
1408
1409 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
1410
1411 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
1412
1413 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
1414
1415 </ul></li>
1416
1417 <li>2011
1418 <ul>
1419
1420 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
1421
1422 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
1423
1424 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
1425
1426 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
1427
1428 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
1429
1430 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
1431
1432 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
1433
1434 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
1435
1436 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
1437
1438 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
1439
1440 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
1441
1442 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
1443
1444 </ul></li>
1445
1446 <li>2010
1447 <ul>
1448
1449 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
1450
1451 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
1452
1453 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
1454
1455 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
1456
1457 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
1458
1459 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
1460
1461 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
1462
1463 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
1464
1465 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
1466
1467 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
1468
1469 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
1470
1471 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
1472
1473 </ul></li>
1474
1475 <li>2009
1476 <ul>
1477
1478 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
1479
1480 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
1481
1482 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
1483
1484 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
1485
1486 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
1487
1488 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
1489
1490 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
1491
1492 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
1493
1494 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
1495
1496 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
1497
1498 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
1499
1500 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
1501
1502 </ul></li>
1503
1504 <li>2008
1505 <ul>
1506
1507 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
1508
1509 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
1510
1511 </ul></li>
1512
1513 </ul>
1514
1515
1516
1517 <h2>Tags</h2>
1518 <ul>
1519
1520 <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (17)</a></li>
1521
1522 <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
1523
1524 <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
1525
1526 <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
1527
1528 <li><a href="http://people.skolelinux.org/pere/blog/tags/betalkontant">betalkontant (9)</a></li>
1529
1530 <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (12)</a></li>
1531
1532 <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (17)</a></li>
1533
1534 <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
1535
1536 <li><a href="http://people.skolelinux.org/pere/blog/tags/chrpath">chrpath (2)</a></li>
1537
1538 <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (178)</a></li>
1539
1540 <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (159)</a></li>
1541
1542 <li><a href="http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (8)</a></li>
1543
1544 <li><a href="http://people.skolelinux.org/pere/blog/tags/digistan">digistan (11)</a></li>
1545
1546 <li><a href="http://people.skolelinux.org/pere/blog/tags/dld">dld (18)</a></li>
1547
1548 <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (30)</a></li>
1549
1550 <li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
1551
1552 <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (431)</a></li>
1553
1554 <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
1555
1556 <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (14)</a></li>
1557
1558 <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (34)</a></li>
1559
1560 <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
1561
1562 <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (20)</a></li>
1563
1564 <li><a href="http://people.skolelinux.org/pere/blog/tags/h264">h264 (20)</a></li>
1565
1566 <li><a href="http://people.skolelinux.org/pere/blog/tags/intervju">intervju (43)</a></li>
1567
1568 <li><a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (16)</a></li>
1569
1570 <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (23)</a></li>
1571
1572 <li><a href="http://people.skolelinux.org/pere/blog/tags/kodi">kodi (4)</a></li>
1573
1574 <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
1575
1576 <li><a href="http://people.skolelinux.org/pere/blog/tags/lego">lego (5)</a></li>
1577
1578 <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
1579
1580 <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
1581
1582 <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
1583
1584 <li><a href="http://people.skolelinux.org/pere/blog/tags/madewithcc">madewithcc (3)</a></li>
1585
1586 <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
1587
1588 <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (42)</a></li>
1589
1590 <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (13)</a></li>
1591
1592 <li><a href="http://people.skolelinux.org/pere/blog/tags/noark5">noark5 (23)</a></li>
1593
1594 <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (319)</a></li>
1595
1596 <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (198)</a></li>
1597
1598 <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (40)</a></li>
1599
1600 <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
1601
1602 <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (75)</a></li>
1603
1604 <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (113)</a></li>
1605
1606 <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (2)</a></li>
1607
1608 <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
1609
1610 <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
1611
1612 <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
1613
1614 <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (14)</a></li>
1615
1616 <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
1617
1618 <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (7)</a></li>
1619
1620 <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
1621
1622 <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (59)</a></li>
1623
1624 <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
1625
1626 <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
1627
1628 <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (71)</a></li>
1629
1630 <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (7)</a></li>
1631
1632 <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (14)</a></li>
1633
1634 <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (61)</a></li>
1635
1636 <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (5)</a></li>
1637
1638 <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
1639
1640 <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
1641
1642 <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (20)</a></li>
1643
1644 <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (76)</a></li>
1645
1646 <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
1647
1648 <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (42)</a></li>
1649
1650 </ul>
1651
1652
1653 </div>
1654 <p style="text-align: right">
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