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   5   <title>Petter Reinholdtsen</title>
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  13   <h1>
  14        <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  15
  16   </h1>
  17
  18  </div>
  19
  20
  21
  22  <div class="entry">
  23   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Forcing_new_users_to_change_their_password_on_first_login.html">Forcing new users to change their password on first login</a></div>
  24   <div class="date">2010-05-02 13:47</div>
  25   <div class="body">
  26 <p>One interesting feature in Active Directory, is the ability to
  27 create a new user with an expired password, and thus force the user to
  28 change the password on the first login attempt.</p>
  29
  30 <p>I'm not quite sure how to do that with the LDAP setup in Debian
  31 Edu, but did some initial testing with a local account.  The account
  32 and password aging information is available in /etc/shadow, but
  33 unfortunately, it is not possible to specify an expiration time for
  34 passwords, only a maximum age for passwords.</p>
  35
  36 <p>A freshly created account (using adduser test) will have these
  37 settings in /etc/shadow:</p>
  38
  39 <blockquote><pre>
  40 root@tjener:~# chage -l test
  41 Last password change                                    : May 02, 2010
  42 Password expires                                        : never
  43 Password inactive                                       : never
  44 Account expires                                         : never
  45 Minimum number of days between password change          : 0
  46 Maximum number of days between password change          : 99999
  47 Number of days of warning before password expires       : 7
  48 root@tjener:~#
  49 </pre></blockquote>
  50
  51 <p>The only way I could come up with to create a user with an expired
  52 account, is to change the date of the last password change to the
  53 lowest value possible (January 1th 1970), and the maximum password age
  54 to the difference in days between that date and today.  To make it
  55 simple, I went for 30 years (30 * 365 = 10950) and January 2th (to
  56 avoid testing if 0 is a valid value).</p>
  57
  58 <p>After using these commands to set it up, it seem to work as
  59 intended:</p>
  60
  61 <blockquote><pre>
  62 root@tjener:~# chage -d 1 test; chage -M 10950 test
  63 root@tjener:~# chage -l test
  64 Last password change                                    : Jan 02, 1970
  65 Password expires                                        : never
  66 Password inactive                                       : never
  67 Account expires                                         : never
  68 Minimum number of days between password change          : 0
  69 Maximum number of days between password change          : 10950
  70 Number of days of warning before password expires       : 7
  71 root@tjener:~#
  72 </pre></blockquote>
  73
  74 <p>So far I have tested this with ssh and console, and kdm (in
  75 Squeeze) login, and all ask for a new password before login in the
  76 user (with ssh, I was thrown out and had to log in again).</p>
  77
  78 <p>Perhaps we should set up something similar for Debian Edu, to make
  79 sure only the user itself have the account password?</p>
  80
  81 <p>If you want to comment on or help out with implementing this for
  82 Debian Edu, please contact us on debian-edu@lists.debian.org.</p>
  83
  84 <p>Update 2010-05-02 17:20: Paul Tötterman tells me on IRC that the
  85 shadow(8) page in Debian/testing now state that setting the date of
  86 last password change to zero (0) will force the password to be changed
  87 on the first login.  This was not mentioned in the manual in Lenny, so
  88 I did not notice this in my initial testing.  I have tested it on
  89 Squeeze, and '<tt>chage -d 0 username</tt>' do work there.  I have not
  90 tested it on Lenny yet.</p>
  91
  92 <p>Update 2010-05-02-19:05: Jim Paris tells me via email that an
  93 equivalent command to expire a password is '<tt>passwd -e
  94 username</tt>', which insert zero into the date of the last password
  95 change.</p>
  96 </div>
  97   <div class="tags">
  98
  99
 100
 101    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>.
 102
 103   </div>
 104  </div>
 105  <div class="padding"></div>
 106
 107  <div class="entry">
 108   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Thoughts_on_roaming_laptop_setup_for_Debian_Edu.html">Thoughts on roaming laptop setup for Debian Edu</a></div>
 109   <div class="date">2010-04-28 20:40</div>
 110   <div class="body">
 111 <p>For some years now, I have wondered how we should handle laptops in
 112 Debian Edu.  The Debian Edu infrastructure is mostly designed to
 113 handle stationary computers, and less suited for computers that come
 114 and go.</p>
 115
 116 <p>Now I finally believe I have an sensible idea on how to adjust
 117 Debian Edu for laptops, by introducing a new profile for them, for
 118 example called Roaming Workstations.  Here are my thought on this.
 119 The setup would consist of the following:</p>
 120
 121 <ul>
 122
 123  <li>During installation, the user name of the owner / primary user of
 124    the laptop is requested and a local home directory is set up for
 125    the user, with uid and gid information fetched from the LDAP
 126    server.  This allow the user to work also when offline.  The
 127    central home directory can be available in a subdirectory on
 128    request, for example mounted via CIFS.  It could be mounted
 129    automatically when a user log in while on the Debian Edu network,
 130    and unmounted when the machine is taken away (network down,
 131    hibernate, etc), it can be set up to do automatic mounting on
 132    request (using autofs), or perhaps some GUI button on the desktop
 133    can be used to access it when needed.  Perhaps it is enough to use
 134    the fish protocol in KDE?</li>
 135
 136  <li>Password checking is set up to use LDAP or Kerberos
 137    authentication when the machine is on the Debian Edu network, and
 138    to cache the password for offline checking when the machine unable
 139    to reach the LDAP or Kerberos server.  This can be done using
 140    <a href="http://www.padl.com/OSS/pam_ccreds.html">libpam-ccreds</a>
 141    or the Fedora developed
 142    <a href="https://fedoraproject.org/wiki/Features/SSSD">System
 143    Security Services Daemon</a> packages.</li>
 144
 145  <li>File synchronisation with the central home directory is set up
 146    using a shared directory in both the local and the central home
 147    directory, using unison.</li>
 148
 149  <li>Printing should be set up to print to all printers broadcasting
 150    their existence on the local network, and should then work out of
 151    the box with CUPS.  For sites needing accurate printer quotas, some
 152    system with Kerberos authentication or printing via ssh could be
 153    implemented.</li>
 154
 155  <li>For users that should have local root access to their laptop,
 156    sudo should be used to allow this to the local user.</li>
 157
 158  <li>It would be nice if user and group information from LDAP is
 159    cached on the client, but given that there are entries for the
 160    local user and primary group in /etc/, it should not be needed.</li>
 161
 162 </ul>
 163
 164 <p>I believe all the pieces to implement this are in Debian/testing at
 165 the moment.  If we work quickly, we should be able to get this ready
 166 in time for the Squeeze release to freeze.  Some of the pieces need
 167 tweaking, like libpam-ccreds should get support for pam-auth-update
 168 (<a href="http://bugs.debian.org/566718">#566718</a>) and nslcd (or
 169 perhaps debian-edu-config) should get some integration code to stop
 170 its daemon when the LDAP server is unavailable to avoid long timeouts
 171 when disconnected from the net.  If we get Kerberos enabled, we need
 172 to make sure we avoid long timeouts there too.</p>
 173
 174 <p>If you want to help out with implementing this for Debian Edu,
 175 please contact us on debian-edu@lists.debian.org.</p>
 176 </div>
 177   <div class="tags">
 178
 179
 180
 181    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>.
 182
 183   </div>
 184  </div>
 185  <div class="padding"></div>
 186
 187  <div class="entry">
 188   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Great_book___Content__Selected_Essays_on_Technology__Creativity__Copyright__and_the_Future_of_the_Future_.html">Great book: "Content: Selected Essays on Technology, Creativity, Copyright, and the Future of the Future"</a></div>
 189   <div class="date">2010-04-19 17:10</div>
 190   <div class="body">
 191 <p>The last few weeks i have had the pleasure of reading a
 192 thought-provoking collection of essays by Cory Doctorow, on topics
 193 touching copyright, virtual worlds, the future of man when the
 194 conscience mind can be duplicated into a computer and many more. The
 195 book titled "Content: Selected Essays on Technology, Creativity,
 196 Copyright, and the Future of the Future" is available with few
 197 restrictions on the web, for example from
 198 <a href="http://craphound.com/content/">his own site</a>. I read the
 199 epub-version from
 200 <a href="http://www.feedbooks.com/book/2883">feedbooks</a> using
 201 <a href="http://www.fbreader.org/">fbreader</a> and my N810. I
 202 strongly recommend this book.</p>
 203 </div>
 204   <div class="tags">
 205
 206
 207
 208    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</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>, <a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet</a>, <a href="http://people.skolelinux.org/pere/blog/tags/web">web</a>.
 209
 210   </div>
 211  </div>
 212  <div class="padding"></div>
 213
 214  <div class="entry">
 215   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Kerberos_for_Debian_Edu_Squeeze_.html">Kerberos for Debian Edu/Squeeze?</a></div>
 216   <div class="date">2010-04-14 17:20</div>
 217   <div class="body">
 218 <p><a href="http://www.nuug.no/aktiviteter/20100413-kerberos/">Yesterdays
 219 NUUG presentation</a> about Kerberos was inspiring, and reminded me
 220 about the need to start using Kerberos in Skolelinux.  Setting up a
 221 Kerberos server seem to be straight forward, and if we get this in
 222 place a long time before the Squeeze version of Debian freezes, we
 223 have a chance to migrate Skolelinux away from NFSv3 for the home
 224 directories, and over to an architecture where the infrastructure do
 225 not have to trust IP addresses and machines, and instead can trust
 226 users and cryptographic keys instead.</p>
 227
 228 <p>A challenge will be integration and administration.  Is there a
 229 Kerberos implementation for Debian where one can control the
 230 administration access in Kerberos using LDAP groups?  With it, the
 231 school administration will have to maintain access control using flat
 232 files on the main server, which give a huge potential for errors.</p>
 233
 234 <p>A related question I would like to know is how well Kerberos and
 235 pam-ccreds (offline password check) work together.  Anyone know?</p>
 236
 237 <p>Next step will be to use Kerberos for access control in Lwat and
 238 Nagios.  I have no idea how much work that will be to implement.  We
 239 would also need to document how to integrate with Windows AD, as such
 240 shared network will require two Kerberos realms that need to cooperate
 241 to work properly.</p>
 242
 243 <p>I believe a good start would be to start using Kerberos on the
 244 skolelinux.no machines, and this way get ourselves experience with
 245 configuration and integration.  A natural starting point would be
 246 setting up ldap.skolelinux.no as the Kerberos server, and migrate the
 247 rest of the machines from PAM via LDAP to PAM via Kerberos one at the
 248 time.</p>
 249
 250 <p>If you would like to contribute to get this working in Skolelinux,
 251 I recommend you to see the video recording from yesterdays NUUG
 252 presentation, and start using Kerberos at home.  The video show show
 253 up in a few days.</p>
 254 </div>
 255   <div class="tags">
 256
 257
 258
 259    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>.
 260
 261   </div>
 262  </div>
 263  <div class="padding"></div>
 264
 265  <div class="entry">
 266   <div class="title"><a href="http://people.skolelinux.org/pere/blog/P___vegne_av_vanvitting_mange__Aftenposten_.html">På vegne av vanvitting mange, Aftenposten!</a></div>
 267   <div class="date">2010-03-06 21:15</div>
 268   <div class="body">
 269 <p><a href="http://fotball.aftenposten.no/incoming/article163000.ece">Aftenposten
 270 melder</a> på forsiden av webavisen sin at de tror Erling Fossen
 271 provoserer nordlendinger med sine uttalelser på
 272 fotballtinget.  Jeg er utflyttet nordlending, og må innrømme at jeg
 273 ikke kjennet så mye som et snev av provokasjon fra denne litt morsomme
 274 uttalelsen til Hr. Fossen.  Lurer på om Aftenposten har noen kilder
 275 utenom redaksjonen for sin påstand om at nordledinger er provosert av
 276 Hr. Fossen.  Må innrømme at jeg tviler på det.</p>
 277
 278 <p>Det hele bringer tankene tilbake til Sture Hansen i Hallo i Uken.</p>
 279 </div>
 280   <div class="tags">
 281
 282
 283
 284    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>.
 285
 286   </div>
 287  </div>
 288  <div class="padding"></div>
 289
 290  <div class="entry">
 291   <div class="title"><a href="http://people.skolelinux.org/pere/blog/After_6_years_of_waiting__the_Xreset_d_feature_is_implemented.html">After 6 years of waiting, the Xreset.d feature is implemented</a></div>
 292   <div class="date">2010-03-06 18:15</div>
 293   <div class="body">
 294 <p>6 years ago, as part of the Debian Edu development I am involved
 295 in, I asked for a hook in the kdm and gdm setup to run scripts as root
 296 when the user log out.  A bug was submitted against the xfree86-common
 297 package in 2004 (<a href="http://bugs.debian.org/230422">#230422</a>),
 298 and revisited every time Debian Edu was working on a new release.
 299 Today, this finally paid off.</p>
 300
 301 <p>The framework for this feature was today commited to the git
 302 repositry for the xorg package, and the git repository for xdm has
 303 been updated to use this framework.  Next on my agenda is to make sure
 304 kdm and gdm also add code to use this framework.</p>
 305
 306 <p>In Debian Edu, we want to ability to run commands as root when the
 307 user log out, to get rid of runaway processes and do general cleanup
 308 after a user.  With this framework in place, we finally can do that in
 309 a generic way that work with all display managers using this
 310 framework.  My goal is to get all display managers in Debian use it,
 311 similar to how they use the Xsession.d framework today.<p>
 312 </div>
 313   <div class="tags">
 314
 315
 316
 317    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>.
 318
 319   </div>
 320  </div>
 321  <div class="padding"></div>
 322
 323  <div class="entry">
 324   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Digitale_b__ker_uten_digitale_restriksjonsmekanismer__DRM__b__r_f___mva_fritak.html">Digitale bøker uten digitale restriksjonsmekanismer (DRM) bør få mva-fritak</a></div>
 325   <div class="date">2010-03-03 19:00</div>
 326   <div class="body">
 327 <p>Den norske bokbransjen har
 328 <a href="http://www.digi.no/823912/nei-til-moms-paa-e-boker">bedt om at
 329 digitale bøker må få mva-fritak</a> slik papirbøker har det, og
 330 <a href="http://www.digi.no/836875/moms-paa-alt-digitalt-innhold">finansdepartementet
 331 har sagt nei</a>.  Det er et interessant spørsmål om digitale bøker
 332 bør ha mva-fritak eller ikke, og svaret er ikke så enkelt som et ja
 333 eller nei.
 334 <a href="http://www.digi.no/836925/norske-e-boker-truet-av-moms">Enkelte
 335 medlemmer</a> av bokbransjen truer med å droppe den planlagte
 336 lanseringen av norske digitale bøker med digitale restriksjonsmekanismer
 337 (DRM) som de har snakket om å gjennomføre nå i vår, og det må de
 338 gjerne gjøre for min del.</p>
 339
 340 <p>Papirbøker har mva-fritak pga. at de fremmer kultur- og
 341 kunnskapsspredning.  Digitale bøker uten digitale
 342 restriksjonsmekanismer (DRM) fremmer kultur- og kunnskapsspredning,
 343 mens digitale bøker med DRM hindrer kultur og kunnskapsspredning.
 344 Digitale bøker uten DRM bør få mva-fritak da det er salg av bøker på
 345 lik linje med salg av papirbøker, mens digitale bøker med DRM ikke bør
 346 få det da det er utleie av bøker og ikke salg.</p>
 347
 348 <p>Jeg foretrekker å kjøpe bøker, og velger dermed å la være å bruke
 349 DRM-belastede digitale bøker.  Vet ikke helt hva jeg ville være villig
 350 til å betale for å leie en bok, men tror ikke det er mange kronene.
 351 Heldigvis er det mye bøker tilgjengelig uten slike restriksjoner, og
 352 de som vil ha tak i engelske bøker kan laste ned bøker som er
 353 tilgjengelig uten bruksbegresninger fra <a href="http://www.archive.org/">The
 354 Internet Archive</a>. Der er det pr. i dag 1 889 313 bøker
 355 tilgjengelig. De er tilgjengelig i flere formater. Besøk
 356 <a href="http://www.archive.org/details/texts">oversikten over tekster
 357 der</a> for å se hva de har.
 358 </div>
 359   <div class="tags">
 360
 361
 362
 363    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett</a>.
 364
 365   </div>
 366  </div>
 367  <div class="padding"></div>
 368
 369  <div class="entry">
 370   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Debian_Edu___Skolelinux_based_on_Lenny_released__work_continues.html">Debian Edu / Skolelinux based on Lenny released, work continues</a></div>
 371   <div class="date">2010-02-11 17:15</div>
 372   <div class="body">
 373 <p>On Tuesday, the Debian/Lenny based version of
 374 <a href="http://www.skolelinux.org/">Skolelinux</a> was finally
 375 shipped.  This was a major leap forward for the project, and I am very
 376 pleased that we finally got the release wrapped up.  Work on the first
 377 point release starts imediately, as we plan to get that one out a
 378 month after the major release, to include all fixes for bugs we found
 379 and fixed too late in the release process to include last Tuesday.</p>
 380
 381 <p>Perhaps it even is time for some partying?</p>
 382
 383 <p>After this first point release, my plan is to focus again on the
 384 next major release, based on Squeeze.  We will try to get as many of
 385 the fixes we need into the official Debian packages before the freeze,
 386 and have just a few weeks or months to make it happen.</p>
 387 </div>
 388   <div class="tags">
 389
 390
 391
 392    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>.
 393
 394   </div>
 395  </div>
 396  <div class="padding"></div>
 397
 398  <div class="entry">
 399   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Danmark_g__r_for_ODF_.html">Danmark går for ODF?</a></div>
 400   <div class="date">2010-01-29 12:00</div>
 401   <div class="body">
 402 <p>Ble nettopp gjort oppmerksom på en
 403 <a href="http://www.version2.dk/artikel/13690-breaking-odf-vinder-dokumentformat-krigen ">nyhet fra Version2</a>
 404 fra Danmark, der det hevdes at Folketinget har vedtatt at ODF skal
 405 brukes som dokumentutvekslingsformat i Staten.</p>
 406
 407 <p>Hyggelig lesning, spesielt hvis det viser seg at de av vedtatt
 408 kravlisten for hva som skal aksepteres som referert i kommentarfeltet
 409 til artikkelen og
 410 <a href="http://www.version2.dk/artikel/13693-er-ooxml-doemt-ude-her-er-kravene-til-en-offentlig-dokumentstandard">en
 411 annen artikkel</a> i samme nett-avis.  Liker spesielt godt denne:</p>
 412
 413 <p><blockquote> Det skal demonstreres, at standarden i sin helhed kan
 414 implementeres af alle direkte i sin helhed på flere
 415 platforme.</blockquote></p>
 416
 417 <p>Noe slikt burde være et krav også i Norge.</p>
 418 </div>
 419   <div class="tags">
 420
 421
 422
 423    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/standard">standard</a>.
 424
 425   </div>
 426  </div>
 427  <div class="padding"></div>
 428
 429  <div class="entry">
 430   <div class="title"><a href="http://people.skolelinux.org/pere/blog/Automatic_Munin_and_Nagios_configuration.html">Automatic Munin and Nagios configuration</a></div>
 431   <div class="date">2010-01-27 15:15</div>
 432   <div class="body">
 433 <p>One of the new features in the next Debian/Lenny based release of
 434 Debian Edu/Skolelinux, which is scheduled for release in the next few
 435 days, is automatic configuration of the service monitoring system
 436 Nagios.  The previous release had automatic configuration of trend
 437 analysis using Munin, and this Lenny based release take that a step
 438 further.</p>
 439
 440 <p>When installing a Debian Edu Main-server, it is automatically
 441 configured as a Munin and Nagios server.  In addition, it is
 442 configured to be a server for the
 443 <a href="http://wiki.debian.org/DebianEdu/HowTo/SiteSummary">SiteSummary
 444 system</a> I have written for use in Debian Edu.  The SiteSummary
 445 system is inspired by a system used by the University of Oslo where I
 446 work.  In short, the system provide a centralised collector of
 447 information about the computers on the network, and a client on each
 448 computer submitting information to this collector.  This allow for
 449 automatic information on which packages are installed on each machine,
 450 which kernel the machines are using, what kind of configuration the
 451 packages got etc.  This also allow us to automatically generate Munin
 452 and Nagios configuration.</p>
 453
 454 <p>All computers reporting to the sitesummary collector with the
 455 munin-node package installed is automatically enabled as a Munin
 456 client and graphs from the statistics collected from that machine show
 457 up automatically on http://www/munin/ on the Main-server.</p>
 458
 459 <p>All non-laptop computers reporting to the sitesummary collector are
 460 automatically monitored for network presence (ping and any network
 461 services detected).  In addition, all computers (also laptops) with
 462 the nagios-nrpe-server package installed and configured the way
 463 sitesummary would configure it, are monitored for full disks, software
 464 raid status, swap free and other checks that need to run locally on
 465 the machine.</p>
 466
 467 <p>The result is that the administrator on a school using Debian Edu
 468 based on Lenny will be able to check the health of his installation
 469 with one look at the Nagios settings, without having to spend any time
 470 keeping the Nagios configuration up-to-date.</p>
 471
 472 <p>The only configuration one need to do to get Nagios up and running
 473 is to set the password used to get access via HTTP.  The system
 474 administrator need to run "<tt>htpasswd /etc/nagios3/htpasswd.users
 475 nagiosadmin</tt>" to create a nagiosadmin user and set a password for
 476 it to be able to log into the Nagios web pages.  After that,
 477 everything is taken care of.</p>
 478 </div>
 479   <div class="tags">
 480
 481
 482
 483    Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>.
 484
 485   </div>
 486  </div>
 487  <div class="padding"></div>
 488
 489  <p style="text-align: right;"><a href="index.rss"><img src="http://people.skolelinux.org/pere/blog/xml.gif" alt="RSS feed" width="36" height="14"></a></p>
 490
 491 <div id="sidebar">
 492
 493
 494
 495
 496
 497 <h2>Archive</h2>
 498 <ul>
 499
 500 <li>2010
 501 <ul>
 502
 503 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 504
 505 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 506
 507 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 508
 509 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 510
 511 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (1)</a></li>
 512
 513 </ul></li>
 514
 515 <li>2009
 516 <ul>
 517
 518 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 519
 520 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 521
 522 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 523
 524 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 525
 526 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
 527
 528 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
 529
 530 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
 531
 532 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 533
 534 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
 535
 536 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
 537
 538 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 539
 540 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 541
 542 </ul></li>
 543
 544 <li>2008
 545 <ul>
 546
 547 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 548
 549 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 550
 551 </ul></li>
 552
 553 </ul>
 554
 555
 556
 557 <h2>Tags</h2>
 558 <ul>
 559
 560  <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (11)</a></li>
 561
 562  <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
 563
 564  <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
 565
 566  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (14)</a></li>
 567
 568  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (15)</a></li>
 569
 570  <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (24)</a></li>
 571
 572  <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (1)</a></li>
 573
 574  <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (6)</a></li>
 575
 576  <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (2)</a></li>
 577
 578  <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (1)</a></li>
 579
 580  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
 581
 582  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (5)</a></li>
 583
 584  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (64)</a></li>
 585
 586  <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (71)</a></li>
 587
 588  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (12)</a></li>
 589
 590  <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (11)</a></li>
 591
 592  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (10)</a></li>
 593
 594  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 595
 596  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (7)</a></li>
 597
 598  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (11)</a></li>
 599
 600  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (1)</a></li>
 601
 602  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (10)</a></li>
 603
 604  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (1)</a></li>
 605
 606  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (6)</a></li>
 607
 608 </ul>
 609
 610 </div>
 611
 612 <p style="text-align: right">
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