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5 <title>Petter Reinholdtsen
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14 <a href=
"http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen
</a>
23 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Vinmonopolet_bryter_loven___penlyst___og_flere_planlegger____gj__re_det_samme.html">Vinmonopolet bryter loven åpenlyst - og flere planlegger å gjøre det samme
</a></div>
24 <div class=
"date">2010-
06-
16 11:
00</div>
26 <p><a href=
"http://www.dagbladet.no/2010/06/16/nyheter/innenriks/streik/arbeidsliv/12157858/">Dagbladet
27 melder
</a> at Vinmonopolet med bakgrunn i vekterstreiken som pågår i
28 Norge for tiden, har bestemt seg for med vitende og vilje å bryte
29 sentralbanklovens paragraf
14 ved å nekte folk å betale med
30 kontanter, og at flere butikker planlegger å følge deres eksempel.
31 Jeg synes det er hårreisende hvis de slipper unna med et slikt
32 soleklart lovbrudd, og lurer på hva slags muligheter jeg vil ha hvis
33 jeg blir nektet å handle med kontanter. Jeg handler i hovedsak med
34 kontanter selv, da jeg anser det som en borgerrett å kunne handle
35 anonymt uten at det blir registrert. For meg er det et angrep på mitt
36 personvern å nekte å ta imot kontant betaling.
</p>
38 <p><a href=
"http://www.lovdata.no/all/tl-19850524-028-003.html#14">Paragrafen
39 i sentralbankloven
</a> lyder:
</p>
42 <p>§
14. Tvungent betalingsmiddel
</p>
44 <p>Bankens sedler og mynter er tvungent betalingsmiddel i Norge. Ingen
45 er pliktig til i én betaling å ta imot mer enn femogtyve mynter av
48 <p>Sterkt skadde sedler og mynter er ikke tvungent
49 betalingsmiddel. Banken gir nærmere forskrifter om erstatning for
50 bortkomne, brente eller skadde sedler og mynter.
</p>
52 <p>Selv om en avtale inneholder klausul om betaling av en
53 pengeforpliktelse i gullverdi, kan skyldneren frigjøre seg med tvungne
54 betalingsmidler uten hensyn til denne klausul.
</p>
57 <p>Det er med bakgrunn i denne lovet ikke tillatt å nekte å ta imot
58 kontakt betaling. Det er en lov jeg har sans for, og som jeg mener må
59 håndheves strengt.
</p>
65 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/norsk">norsk
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/personvern">personvern
</a>.
69 <div class=
"padding"></div>
72 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Officeshots_taking_shape.html">Officeshots taking shape
</a></div>
73 <div class=
"date">2010-
06-
13 11:
40</div>
75 <p>For those of us caring about document exchange and
76 interoperability,
<a href=
"http://www.officeshots.org/">OfficeShots
</a>
77 is a great service. It is to ODF documents what
78 <a href=
"http://browsershots.org/">BrowserShots
</a> is for web
81 <p>A while back, I was contacted by Knut Yrvin at the part of Nokia
82 that used to be Trolltech, who wanted to help the OfficeShots project
83 and wondered if the University of Oslo where I work would be
84 interested in supporting the project. I helped him to navigate his
85 request to the right people at work, and his request was answered with
86 a spot in the machine room with power and network connected, and Knut
87 arranged funding for a machine to fill the spot. The machine is
88 administrated by the OfficeShots people, so I do not have daily
89 contact with its progress, and thus from time to time check back to
90 see how the project is doing.
</p>
92 <p>Today I had a look, and was happy to see that the Dell box in our
93 machine room now is the host for several virtual machines running as
94 OfficeShots factories, and the project is able to render ODF documents
95 in
17 different document processing implementation on Linux and
96 Windows. This is great.
</p>
102 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/standard">standard
</a>.
106 <div class=
"padding"></div>
109 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Lenny__Squeeze_upgrades__removals_by_apt_and_aptitude.html">Lenny-
>Squeeze upgrades, removals by apt and aptitude
</a></div>
110 <div class=
"date">2010-
06-
13 09:
05</div>
113 <a href=
"http://people.skolelinux.org/pere/blog/Automatic_upgrade_testing_from_Lenny_to_Squeeze.html">testing
114 of Debian upgrades
</a> from Lenny to Squeeze continues, and I've
115 finally made the upgrade logs available from
116 <a href=
"http://people.skolelinux.org/pere/debian-upgrade-testing/">http://people.skolelinux.org/pere/debian-upgrade-testing/
</a>.
117 I am now testing dist-upgrade of Gnome and KDE in a chroot using both
118 apt and aptitude, and found their differences interesting. This time
119 I will only focus on their removal plans.
</p>
121 <p>After installing a Gnome desktop and the laptop task, apt-get wants
122 to remove
72 packages when dist-upgrading from Lenny to Squeeze. The
123 surprising part is that it want to remove xorg and all
124 xserver-xorg-video* drivers. Clearly not a good choice, but I am not
125 sure why. When asking aptitude to do the same, it want to remove
129
126 packages, but most of them are library packages I suspect are no
127 longer needed. Both of them want to remove bluetooth packages, which
128 I do not know. Perhaps these bluetooth packages are obsolete?
</p>
130 <p>For KDE, apt-get want to remove
82 packages, among them kdebase
131 which seem like a bad idea and xorg the same way as with Gnome. Asking
132 aptitude for the same, it wants to remove
192 packages, none which are
135 <p>I guess the removal of xorg during upgrades should be investigated
136 and avoided, and perhaps others as well. Here are the complete list
137 of planned removals. The complete logs is available from the URL
138 above. Note if you want to repeat these tests, that the upgrade test
139 for kde+apt-get hung in the tasksel setup because of dpkg asking
140 conffile questions. No idea why. I worked around it by using
141 '
<tt>echo
>> /proc/
<em>pidofdpkg
</em>/fd/
0</tt>' to tell dpkg to
144 <p><b>apt-get gnome
72</b>
145 <br>bluez-gnome cupsddk-drivers deskbar-applet gnome
146 gnome-desktop-environment gnome-network-admin gtkhtml3.14
147 iceweasel-gnome-support libavcodec51 libdatrie0 libgdl-
1-
0
148 libgnomekbd2 libgnomekbdui2 libmetacity0 libslab0 libxcb-xlib0
149 nautilus-cd-burner python-gnome2-desktop python-gnome2-extras
150 serpentine swfdec-mozilla update-manager xorg xserver-xorg
151 xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-evdev
152 xserver-xorg-input-kbd xserver-xorg-input-mouse
153 xserver-xorg-input-synaptics xserver-xorg-input-wacom
154 xserver-xorg-video-all xserver-xorg-video-apm xserver-xorg-video-ark
155 xserver-xorg-video-ati xserver-xorg-video-chips
156 xserver-xorg-video-cirrus xserver-xorg-video-cyrix
157 xserver-xorg-video-dummy xserver-xorg-video-fbdev
158 xserver-xorg-video-glint xserver-xorg-video-i128
159 xserver-xorg-video-i740 xserver-xorg-video-imstt
160 xserver-xorg-video-intel xserver-xorg-video-mach64
161 xserver-xorg-video-mga xserver-xorg-video-neomagic
162 xserver-xorg-video-nsc xserver-xorg-video-nv
163 xserver-xorg-video-openchrome xserver-xorg-video-r128
164 xserver-xorg-video-radeon xserver-xorg-video-radeonhd
165 xserver-xorg-video-rendition xserver-xorg-video-s3
166 xserver-xorg-video-s3virge xserver-xorg-video-savage
167 xserver-xorg-video-siliconmotion xserver-xorg-video-sis
168 xserver-xorg-video-sisusb xserver-xorg-video-tdfx
169 xserver-xorg-video-tga xserver-xorg-video-trident
170 xserver-xorg-video-tseng xserver-xorg-video-v4l
171 xserver-xorg-video-vesa xserver-xorg-video-vga
172 xserver-xorg-video-vmware xserver-xorg-video-voodoo xulrunner-
1.9
173 xulrunner-
1.9-gnome-support
</p>
175 <p><b>aptitude gnome
129</b>
177 <br>bluez-gnome bluez-utils cpp-
4.3 cupsddk-drivers dhcdbd
178 djvulibre-desktop finger gnome-app-install gnome-mount
179 gnome-network-admin gnome-spell gnome-vfs-obexftp
180 gnome-volume-manager gstreamer0.10-gnomevfs gtkhtml3.14 libao2
181 libavahi-compat-libdnssd1 libavahi-core5 libavcodec51 libbluetooth2
182 libcamel1.2-
11 libcdio7 libcucul0 libcupsys2 libcurl3 libdatrie0
183 libdirectfb-
1.0-
0 libdvdread3 libedataserver1.2-
9 libeel2-
2.20
184 libeel2-data libepc-
1.0-
1 libepc-ui-
1.0-
1 libfaad0 libgail-common
185 libgd2-noxpm libgda3-
3 libgda3-common libgdl-
1-
0 libgdl-
1-common
186 libggz2 libggzcore9 libggzmod4 libgksu1.2-
0 libgksuui1.0-
1 libgmyth0
187 libgnomecups1.0-
1 libgnomekbd2 libgnomekbdui2 libgnomeprint2.2-
0
188 libgnomeprint2.2-data libgnomeprintui2.2-
0 libgnomeprintui2.2-common
189 libgnomevfs2-bin libgpod3 libgraphviz4 libgtkhtml2-
0
190 libgtksourceview-common libgtksourceview1.0-
0 libgucharmap6
191 libhesiod0 libicu38 libiw29 libkpathsea4 libltdl3 libmagick++
10
192 libmagick10 libmalaga7 libmetacity0 libmtp7 libmysqlclient15off
193 libnautilus-burn4 libneon27 libnm-glib0 libnm-util0 libopal-
2.2
194 libosp5 libparted1.8-
10 libpoppler-glib3 libpoppler3 libpt-
1.10.10
195 libpt-
1.10.10-plugins-alsa libpt-
1.10.10-plugins-v4l libraw1394-
8
196 libsensors3 libslab0 libsmbios2 libsoup2.2-
8 libssh2-
1
197 libsuitesparse-
3.1.0 libswfdec-
0.6-
90 libtalloc1 libtotem-plparser10
198 libtrackerclient0 libxalan2-java libxalan2-java-gcj libxcb-xlib0
199 libxerces2-java libxerces2-java-gcj libxklavier12 libxtrap6
200 libxxf86misc1 libzephyr3 mysql-common nautilus-cd-burner
201 openoffice.org-writer2latex openssl-blacklist p7zip
202 python-
4suite-xml python-eggtrayicon python-gnome2-desktop
203 python-gnome2-extras python-gtkhtml2 python-gtkmozembed
204 python-numeric python-sexy serpentine svgalibg1 swfdec-gnome
205 swfdec-mozilla totem-gstreamer update-manager wodim
206 xserver-xorg-video-cyrix xserver-xorg-video-imstt
207 xserver-xorg-video-nsc xserver-xorg-video-v4l xserver-xorg-video-vga
210 <p><b>apt-get kde
82</b>
212 <br>cupsddk-drivers karm kaudiocreator kcoloredit kcontrol kde kde-core
213 kdeaddons kdeartwork kdebase kdebase-bin kdebase-bin-kde3
214 kdebase-kio-plugins kdesktop kdeutils khelpcenter kicker
215 kicker-applets knewsticker kolourpaint konq-plugins konqueror korn
216 kpersonalizer kscreensaver ksplash libavcodec51 libdatrie0 libkiten1
217 libxcb-xlib0 quanta superkaramba texlive-base-bin xorg xserver-xorg
218 xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-evdev
219 xserver-xorg-input-kbd xserver-xorg-input-mouse
220 xserver-xorg-input-synaptics xserver-xorg-input-wacom
221 xserver-xorg-video-all xserver-xorg-video-apm xserver-xorg-video-ark
222 xserver-xorg-video-ati xserver-xorg-video-chips
223 xserver-xorg-video-cirrus xserver-xorg-video-cyrix
224 xserver-xorg-video-dummy xserver-xorg-video-fbdev
225 xserver-xorg-video-glint xserver-xorg-video-i128
226 xserver-xorg-video-i740 xserver-xorg-video-imstt
227 xserver-xorg-video-intel xserver-xorg-video-mach64
228 xserver-xorg-video-mga xserver-xorg-video-neomagic
229 xserver-xorg-video-nsc xserver-xorg-video-nv
230 xserver-xorg-video-openchrome xserver-xorg-video-r128
231 xserver-xorg-video-radeon xserver-xorg-video-radeonhd
232 xserver-xorg-video-rendition xserver-xorg-video-s3
233 xserver-xorg-video-s3virge xserver-xorg-video-savage
234 xserver-xorg-video-siliconmotion xserver-xorg-video-sis
235 xserver-xorg-video-sisusb xserver-xorg-video-tdfx
236 xserver-xorg-video-tga xserver-xorg-video-trident
237 xserver-xorg-video-tseng xserver-xorg-video-v4l
238 xserver-xorg-video-vesa xserver-xorg-video-vga
239 xserver-xorg-video-vmware xserver-xorg-video-voodoo xulrunner-
1.9</p>
241 <p><b>aptitude kde
192</b>
242 <br>bluez-utils cpp-
4.3 cupsddk-drivers cvs dcoprss dhcdbd
243 djvulibre-desktop dosfstools eyesapplet fifteenapplet finger gettext
244 ghostscript-x imlib-base imlib11 indi kandy karm kasteroids
245 kaudiocreator kbackgammon kbstate kcoloredit kcontrol kcron kdat
246 kdeadmin-kfile-plugins kdeartwork-misc kdeartwork-theme-window
247 kdebase-bin-kde3 kdebase-kio-plugins kdeedu-data
248 kdegraphics-kfile-plugins kdelirc kdemultimedia-kappfinder-data
249 kdemultimedia-kfile-plugins kdenetwork-kfile-plugins
250 kdepim-kfile-plugins kdepim-kio-plugins kdeprint kdesktop kdessh
251 kdict kdnssd kdvi kedit keduca kenolaba kfax kfaxview kfouleggs
252 kghostview khelpcenter khexedit kiconedit kitchensync klatin
253 klickety kmailcvt kmenuedit kmid kmilo kmoon kmrml kodo kolourpaint
254 kooka korn kpager kpdf kpercentage kpf kpilot kpoker kpovmodeler
255 krec kregexpeditor ksayit ksim ksirc ksirtet ksmiletris ksmserver
256 ksnake ksokoban ksplash ksvg ksysv ktip ktnef kuickshow kverbos
257 kview kviewshell kvoctrain kwifimanager kwin kwin4 kworldclock
258 kxsldbg libakode2 libao2 libarts1-akode libarts1-audiofile
259 libarts1-mpeglib libarts1-xine libavahi-compat-libdnssd1
260 libavahi-core5 libavc1394-
0 libavcodec51 libbluetooth2
261 libboost-python1.34
.1 libcucul0 libcurl3 libcvsservice0 libdatrie0
262 libdirectfb-
1.0-
0 libdjvulibre21 libdvdread3 libfaad0 libfreebob0
263 libgail-common libgd2-noxpm libgraphviz4 libgsmme1c2a libgtkhtml2-
0
264 libicu38 libiec61883-
0 libindex0 libiw29 libk3b3 libkcal2b libkcddb1
265 libkdeedu3 libkdepim1a libkgantt0 libkiten1 libkleopatra1 libkmime2
266 libkpathsea4 libkpimexchange1 libkpimidentities1 libkscan1
267 libksieve0 libktnef1 liblockdev1 libltdl3 libmagick10 libmimelib1c2a
268 libmozjs1d libmpcdec3 libneon27 libnm-util0 libopensync0 libpisock9
269 libpoppler-glib3 libpoppler-qt2 libpoppler3 libraw1394-
8 libsmbios2
270 libssh2-
1 libsuitesparse-
3.1.0 libtalloc1 libtiff-tools
271 libxalan2-java libxalan2-java-gcj libxcb-xlib0 libxerces2-java
272 libxerces2-java-gcj libxtrap6 mpeglib networkstatus
273 openoffice.org-writer2latex pmount poster psutils quanta quanta-data
274 superkaramba svgalibg1 tex-common texlive-base texlive-base-bin
275 texlive-common texlive-doc-base texlive-fonts-recommended
276 xserver-xorg-video-cyrix xserver-xorg-video-imstt
277 xserver-xorg-video-nsc xserver-xorg-video-v4l xserver-xorg-video-vga
285 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian
</a>,
<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>.
289 <div class=
"padding"></div>
292 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/__pne_tr__dl__snett_er_et_samfunnsgode.html">Åpne trådløsnett er et samfunnsgode
</a></div>
293 <div class=
"date">2010-
06-
12 12:
45</div>
295 <p>Veldig glad for å oppdage via
296 <a href=
"http://yro.slashdot.org/story/10/06/11/1841256/Finland-To-Legalize-Use-of-Unsecured-Wi-Fi">Slashdot
</a>
297 at folk i Finland har forstått at åpne trådløsnett er et samfunnsgode.
298 Jeg ser på åpne trådløsnett som et fellesgode på linje med retten til
299 ferdsel i utmark og retten til å bevege seg i strandsonen. Jeg har
300 glede av åpne trådløsnett når jeg finner dem, og deler gladelig nett
301 med andre så lenge de ikke forstyrrer min bruk av eget nett.
302 Nettkapasiteten er sjelden en begrensning ved normal browsing og enkel
303 SSH-innlogging (som er min vanligste nettbruk), og nett kan brukes til
304 så mye positivt og nyttig (som nyhetslesing, sjekke været, kontakte
305 slekt og venner, holde seg oppdatert om politiske saker, kontakte
306 organisasjoner og politikere, etc), at det for meg er helt urimelig å
307 blokkere dette for alle som ikke gjør en flue fortred. De som mener
308 at potensialet for misbruk er grunn nok til å hindre all den positive
309 og lovlydige bruken av et åpent trådløsnett har jeg dermed ingen
310 forståelse for. En kan ikke eksistensen av forbrytere styre hvordan
311 samfunnet skal organiseres. Da får en et kontrollsamfunn de færreste
312 ønsker å leve i, og det at vi har et samfunn i Norge der tilliten til
313 hverandre er høy gjør at samfunnet fungerer ganske godt. Det bør vi
314 anstrenge oss for å beholde.
</p>
320 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling
</a>,
<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>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/personvern">personvern
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet
</a>.
324 <div class=
"padding"></div>
327 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Automatic_upgrade_testing_from_Lenny_to_Squeeze.html">Automatic upgrade testing from Lenny to Squeeze
</a></div>
328 <div class=
"date">2010-
06-
11 22:
50</div>
330 <p>The last few days I have done some upgrade testing in Debian, to
331 see if the upgrade from Lenny to Squeeze will go smoothly. A few bugs
332 have been discovered and reported in the process
333 (
<a href=
"http://bugs.debian.org/585410">#
585410</a> in nagios3-cgi,
334 <a href=
"http://bugs.debian.org/584879">#
584879</a> already fixed in
335 enscript and
<a href=
"http://bugs.debian.org/584861">#
584861</a> in
336 kdebase-workspace-data), and to get a more regular testing going on, I
337 am working on a script to automate the test.
</p>
339 <p>The idea is to create a Lenny chroot and use tasksel to install a
340 Gnome or KDE desktop installation inside the chroot before upgrading
341 it. To ensure no services are started in the chroot, a policy-rc.d
342 script is inserted. To make sure tasksel believe it is to install a
343 desktop on a laptop, the tasksel tests are replaced in the chroot
344 (only acceptable because this is a throw-away chroot).
</p>
346 <p>A naive upgrade from Lenny to Squeeze using aptitude dist-upgrade
347 currently always fail because udev refuses to upgrade with the kernel
348 in Lenny, so to avoid that problem the file /etc/udev/kernel-upgrade
349 is created. The bug report
350 <a href=
"http://bugs.debian.org/566000">#
566000</a> make me suspect
351 this problem do not trigger in a chroot, but I touch the file anyway
352 to make sure the upgrade go well. Testing on virtual and real
353 hardware have failed me because of udev so far, and creating this file
354 do the trick in such settings anyway. This is a
355 <a href=
"http://www.linuxquestions.org/questions/debian-26/failed-dist-upgrade-due-to-udev-config_sysfs_deprecated-nonsense-804130/">known
356 issue
</a> and the current udev behaviour is intended by the udev
357 maintainer because he lack the resources to rewrite udev to keep
358 working with old kernels or something like that. I really wish the
359 udev upstream would keep udev backwards compatible, to avoid such
360 upgrade problem, but given that they fail to do so, I guess
361 documenting the way out of this mess is the best option we got for
364 <p>Anyway, back to the task at hand, testing upgrades. This test
365 script, which I call
<tt>upgrade-test
</tt> for now, is doing the
383 mirror=http://ftp.skolelinux.org/debian
384 tmpdir=chroot-$from-upgrade-$to-$desktop
386 debootstrap $from $tmpdir $mirror
387 chroot $tmpdir aptitude update
388 cat
> $tmpdir/usr/sbin/policy-rc.d
<<EOF
392 chmod a+rx $tmpdir/usr/sbin/policy-rc.d
396 mount -t proc proc $tmpdir/proc
397 # Make sure proc is unmounted also on failure
398 trap exit_cleanup EXIT INT
400 chroot $tmpdir aptitude -y install debconf-utils
402 # Make sure tasksel autoselection trigger. It need the test scripts
403 # to return the correct answers.
404 echo tasksel tasksel/desktop multiselect $desktop | \
405 chroot $tmpdir debconf-set-selections
407 # Include the desktop and laptop task
408 for test in desktop laptop ; do
409 echo
> $tmpdir/usr/lib/tasksel/tests/$test
<<EOF
413 chmod a+rx $tmpdir/usr/lib/tasksel/tests/$test
416 DEBIAN_FRONTEND=noninteractive
417 DEBIAN_PRIORITY=critical
418 export DEBIAN_FRONTEND DEBIAN_PRIORITY
419 chroot $tmpdir tasksel --new-install
421 echo deb $mirror $to main
> $tmpdir/etc/apt/sources.list
422 chroot $tmpdir aptitude update
423 touch $tmpdir/etc/udev/kernel-upgrade
424 chroot $tmpdir aptitude -y dist-upgrade
428 <p>I suspect it would be useful to test upgrades with both apt-get and
429 with aptitude, but I have not had time to look at how they behave
430 differently so far. I hope to get a cron job running to do the test
431 regularly and post the result on the web. The Gnome upgrade currently
432 work, while the KDE upgrade fail because of the bug in
433 kdebase-workspace-data
</p>
435 <p>I am not quite sure what kind of extract from the huge upgrade logs
436 (KDE
167 KiB, Gnome
516 KiB) it make sense to include in this blog
437 post, so I will refrain from trying. I can report that for Gnome,
438 aptitude report
760 packages upgraded,
448 newly installed,
129 to
439 remove and
1 not upgraded and
1024MB need to be downloaded while for
440 KDE the same numbers are
702 packages upgraded,
507 newly installed,
441 193 to remove and
0 not upgraded and
1117MB need to be downloaded
</p>
443 <p>I am very happy to notice that the Gnome desktop + laptop upgrade
444 is able to migrate to dependency based boot sequencing and parallel
445 booting without a hitch. Was unsure if there were still bugs with
446 packages failing to clean up their obsolete init.d script during
447 upgrades, and no such problem seem to affect the Gnome desktop+laptop
454 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian
</a>,
<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>.
458 <div class=
"padding"></div>
461 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Skolelinux_er_laget_for_sentraldrifting__naturligvis.html">Skolelinux er laget for sentraldrifting, naturligvis
</a></div>
462 <div class=
"date">2010-
06-
09 12:
30</div>
464 <p>Det er merkelig hvordan myter om Skolelinux overlever. En slik
465 myte er at Skolelinux ikke kan sentraldriftes og ha sentralt plasserte
466 tjenermaskiner. I siste Computerworld Norge er
467 <a href=
"http://www.idg.no/computerworld/article169432.ece">IT-sjef
468 Viggo Billdal i Steinkjer intervjuet
</a>, og forteller uten
471 <blockquote><p>Vi hadde Skolelinux, men det har vi sluttet med. Vi testet
472 om det lønte seg med Microsoft eller en åpen plattform. Vi fant ut at
473 Microsoft egentlig var totalt sett bedre egnet. Det var store
474 driftskostnader med Skolelinux, blant annet på grunn av
475 desentraliserte servere. Det var komplisert, så vi gikk vekk fra det
476 og bruker nå bare Windows.
</p></blockquote>
479 href=
"https://init.linpro.no/pipermail/skolelinux.no/bruker/2010-June/009101.html">rask
480 sjekk
</a> mot den norske brukerlista i Skolelinuxprosjektet forteller
481 at Steinkjers forsøk foregikk fram til
2004/
2005, og at Røysing skole
482 i Steinkjer skal ha vært svært fornøyd med Skolelinux men at kommunen
483 overkjørte skolen og krevde at de gikk over til Windows. Et søk på
484 nettet sendte meg til
485 <a href=
"http://www.dn.no/multimedia/archive/00090/Dagens_it_nr__18_90826a.pdf">Dagens
486 IT nr.
18 2005</a> hvor en kan lese på side
18:
</p>
488 <blockquote><p>Inge Tømmerås ved Røysing skole i Steinkjer kjører ennå
489 Microsoft, men forteller at kompetanseutfordringen med Skolelinux ikke
490 var så stor. Jeg syntes Skolelinux var utrolig lett å drifte uten
491 forkunnskaper. Men man må jo selvsagt ha tilgang på ekstern kompetanse
492 til installasjoner og maskinvarefeil, sier Tømmerås.
</p></blockquote>
494 <p>Som systemarkitekten bak Skolelinux, kan jeg bare riste på hodet
495 over påstanden om at Skolelinux krever desentraliserte tjenere.
496 Skolelinux-arkitekturen er laget for sentralisert drift og plassering
497 av tjenerne lokalt eller sentralt alt etter behov og nettkapasitet.
498 Den er modellert på nettverks- og tjenerløsningen som brukes på
499 Universitetet i Tromsø og Oslo, der jeg jobber med utvikling av
500 driftstjenester. Dette er det heldigvis noen som har fått med seg, og
501 jeg er glad for å kunne sitere fra en kommentar på den overnevnte
502 artikkelen. Min venn og gamle kollega Sturle Sunde forteller der:
505 <p>I Flora kommune køyrer vi Skulelinux på skular med alt frå
15 til
506 meir enn
500 elevar. Dei store skulane har eigen tenar, for det er
507 mest praktisk. Eg, som er driftsansvarleg for heile nettet, ser
508 sjeldan dei tenarane fysisk, men at dei står der gjer skulane mindre
509 avhengige av eksterne linjer som er trege eller dyre. Dei minste
510 skulane har ikkje eigen tenar. Å bruke sentral tenar er heller ikkje
511 noko problem. Småskulane klarar seg fint med
1 mbit-linje til ein
512 sentral tenar eller tenaren på ein større skule.
</p>
514 <p>Det beste med Skulelinux er halvtjukke klientar. Dei treng ikkje
515 harddisk og brukar minimalt med ressursar på tenaren fordi dei køyrer
516 programma lokalt. Eit klasserom med
30 sju-åtte år gamle maskiner har
517 mykje meir CPU og RAM totalt enn nokon moderne tenar til under
518 millionen. Det trengst to kommandoar på den sentrale tenaren for å
519 oppdatere alle klientane, både tynne og halvtjukke. Vi har ingen
520 problem med diskar som ryk heller, som var eit problem før fordi
521 elevane sat og sparka i maskinene. Og dei krev lite bandbreidde i
522 nettet, so det er fullt mogleg å køyre slike på småskular med trege
523 linjer mot tenaren på ein større skule.
</p>
525 <p>Flora kommune har nesten
800 Linux-maskiner i sitt skulenett, og
526 ein person som tek seg av drift av heile nettet, inkludert tenarar,
527 klientar, operativsystem, programvare, heimekontorløysing og
528 administrasjon av brukarar.
</p>
530 <p>No skal det seiast at vi ikkje køyrer rein Skulelinux ut av
531 boksen. Vi har gjort ein del tilpassingar mot noko Novell-greier som
532 var der frå før, og som har komplisert installasjonen vår. Etter at
533 oppsettet var gjort har løysinga vore stabil og kravd minimalt med
537 <p>Jeg vet at Narvik, Harstad og Oslo er kommuner der Skolelinux
538 sentraldriftes med sentrale tjenere. Det forteller meg at Steinkjers
539 IT-sjef neppe bør skylde på Skolelinux-løsningen for sine
5 år gamle
546 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/norsk">norsk
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/nuug">nuug
</a>.
550 <div class=
"padding"></div>
553 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Upstart_or_sysvinit___as_init_d_scripts_see_it.html">Upstart or sysvinit - as init.d scripts see it
</a></div>
554 <div class=
"date">2010-
06-
06 23:
55</div>
556 <p>If Debian is to migrate to upstart on Linux, I expect some init.d
557 scripts to migrate (some of) their operations to upstart job while
558 keeping the init.d for hurd and kfreebsd. The packages with such
559 needs will need a way to get their init.d scripts to behave
560 differently when used with sysvinit and with upstart. Because of
561 this, I had a look at the environment variables set when a init.d
562 script is running under upstart, and when it is not.
</p>
564 <p>With upstart, I notice these environment variables are set when a
565 script is started from rcS.d/ (ignoring some irrelevant ones like
574 UPSTART_EVENTS=startup
576 UPSTART_JOB=rc-sysinit
579 <p>With sysvinit, these environment variables are set for the same
583 INIT_VERSION=sysvinit-
2.88
590 <p>The RUNLEVEL and PREVLEVEL environment variables passed on from
591 sysvinit are not set by upstart. Not sure if it is intentional or not
592 to not be compatible with sysvinit in this regard.
</p>
594 <p>For scripts needing to behave differently when upstart is used,
595 looking for the UPSTART_JOB environment variable seem to be a good
602 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian
</a>,
<a href=
"http://people.skolelinux.org/pere/blog/tags/english">english
</a>.
606 <div class=
"padding"></div>
609 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/A_manual_for_standards_wars___.html">A manual for standards wars...
</a></div>
610 <div class=
"date">2010-
06-
06 14:
15</div>
613 <a href=
"http://feedproxy.google.com/~r/robweir/antic-atom/~3/QzU4RgoAGMg/weekly-links-10.html">blog
614 of Rob Weir
</a> I came across the very interesting essay named
615 <a href=
"http://faculty.haas.berkeley.edu/shapiro/wars.pdf">The Art of
616 Standards Wars
</a> (PDF
25 pages). I recommend it for everyone
617 following the standards wars of today.
</p>
623 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian
</a>,
<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/standard">standard
</a>.
627 <div class=
"padding"></div>
630 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Sitesummary_tip__Listing_computer_hardware_models_used_at_site.html">Sitesummary tip: Listing computer hardware models used at site
</a></div>
631 <div class=
"date">2010-
06-
03 12:
05</div>
633 <p>When using sitesummary at a site to track machines, it is possible
634 to get a list of the machine types in use thanks to the DMI
635 information extracted from each machine. The script to do so is
636 included in the sitesummary package, and here is example output from
637 the Skolelinux build servers:
</p>
640 maintainer:~# /usr/lib/sitesummary/hardware-model-summary
642 Dell Computer Corporation
1
645 eserver xSeries
345 -[
8670M1X]-
1
651 <p>The quality of the report depend on the quality of the DMI tables
652 provided in each machine. Here there are Intel machines without model
653 information listed with Intel as vendor and mo model, and virtual Xen
654 machines listed as [no-dmi-info]. One can add -l as a command line
655 option to list the individual machines.
</p>
658 <a href=
"http://narvikskolen.no/sitesummary/">available from the the
659 city of Narvik
</a>, which uses Skolelinux on all their shools and also
660 provide the basic sitesummary report publicly. In their report there
661 are ~
1400 machines. I know they use both Ubuntu and Skolelinux on
662 their machines, and as sitesummary is available in both distributions,
663 it is trivial to get all of them to report to the same central
670 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/debian">debian
</a>,
<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/sitesummary">sitesummary
</a>.
674 <div class=
"padding"></div>
677 <div class=
"title"><a href=
"http://people.skolelinux.org/pere/blog/Togsatsing_p___norsk__mot_sykkel.html">Togsatsing på norsk, mot sykkel
</a></div>
678 <div class=
"date">2010-
06-
02 23:
45</div>
680 <p>Det står dårlig til med toget når en finner på å la det
681 <a href=
"http://www.aftenposten.no/nyheter/iriks/article3677060.ece">kappkjøre
682 med sykkel
</a>... Jeg tror det trengs strukturendringer for å få
683 fikset på togproblemene i Norge.
</p>
685 <p>Mon tro hva toglinje mellom Narvik og Tromsø ville hatt slags
686 effekt på området der?
</p>
692 Tags:
<a href=
"http://people.skolelinux.org/pere/blog/tags/norsk">norsk
</a>.
696 <div class=
"padding"></div>
698 <p style=
"text-align: right;"><a href=
"index.rss"><img src=
"http://people.skolelinux.org/pere/blog/xml.gif" alt=
"RSS feed" width=
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