More formatting.

[homepage.git] / blog / index.rss

diff --git a/blog/index.rss b/blog/index.rss
index b6b11dce03094a983fd2af0b5e96d966b8e043df..09c9ccd44f97120b98d39f054a36a867fa8bc925 100644 (file)
--- a/blog/index.rss
+++ b/blog/index.rss
@@ -7,767 +7,709 @@
                 <atom:link href="http://people.skolelinux.org/pere/blog/index.rss" rel="self" type="application/rss+xml" />
        
        <item>
                 <atom:link href="http://people.skolelinux.org/pere/blog/index.rss" rel="self" type="application/rss+xml" />
        
        <item>

-               <title>Intel SSD 520 Series 180 GB with Lenovo firmware still lock up from sustained writes</title>
-               <link>http://people.skolelinux.org/pere/blog/Intel_SSD_520_Series_180_GB_with_Lenovo_firmware_still_lock_up_from_sustained_writes.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Intel_SSD_520_Series_180_GB_with_Lenovo_firmware_still_lock_up_from_sustained_writes.html</guid>
-                <pubDate>Wed, 10 Jul 2013 13:30:00 +0200</pubDate>
-               <description>&lt;p&gt;A few days ago, I wrote about
-&lt;a href=&quot;http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230_.html&quot;&gt;the
-problems I experienced with my new X230 and its SSD disk&lt;/a&gt;, which
-was dying during installation because it is unable to cope with
-sustained write.  My supplier is in contact with
-&lt;a href=&quot;http://www.lenovo.com/&quot;&gt;Lenovo&lt;/a&gt;, and they wanted to send a
-replacement disk to try to fix the problem.  They decided to send an
-identical model, so my hopes for a permanent fix was slim.&lt;/p&gt;
-
-&lt;p&gt;Anyway, today I got the replacement disk and tried to install
-Debian Edu Wheezy with encrypted disk on it.  The new disk have the
-same firmware version as the original.  This time my hope raised
-slightly as the installation progressed, as the original disk used to
-die after 4-7% of the disk was written to, while this time it kept
-going past 10%, 20%, 40% and even past 50%.  But around 60%, the disk
-died again and I was back on square one.  I still do not have a new
-laptop with a disk I can trust.  I can not live with a disk that might
-lock up when I download a new
-&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu / Skolelinux&lt;/a&gt; ISO or
-other large files.  I look forward to hearing from my supplier with
-the next proposal from Lenovo.&lt;/p&gt;
-
-&lt;p&gt;The original disk is marked Intel SSD 520 Series 180 GB,
-11S0C38722Z1ZNME35X1TR, ISN: CVCV321407HB180EGN, SA: G57560302, FW:
-LF1i, 29MAY2013, PBA: G39779-300, LBA 351,651,888, LI P/N: 0C38722,
-Pb-free 2LI, LC P/N: 16-200366, WWN: 55CD2E40002756C4, Model:
-SSDSC2BW180A3L 2.5&quot; 6Gb/s SATA SSD 180G 5V 1A, ASM P/N 0C38732, FRU
-P/N 45N8295, P0C38732.&lt;/p&gt;
-
-&lt;p&gt;The replacement disk is marked Intel SSD 520 Series 180 GB,
-11S0C38722Z1ZNDE34N0L0, ISN: CVCV315306RK180EGN, SA: G57560-302, FW:
-LF1i, 22APR2013, PBA: G39779-300, LBA 351,651,888, LI P/N: 0C38722,
-Pb-free 2LI, LC P/N: 16-200366, WWN: 55CD2E40000AB69E, Model:
-SSDSC2BW180A3L 2.5&quot; 6Gb/s SATA SSD 180G 5V 1A, ASM P/N 0C38732, FRU
-P/N 45N8295, P0C38732.&lt;/p&gt;
-
-&lt;p&gt;The only difference is in the first number (serial number?), ISN,
-SA, date and WNPP values.  Mentioning all the details here in case
-someone is able to use the information to find a way to identify the
-failing disk among working ones (if any such working disk actually
-exist).&lt;/p&gt;
-</description>
-       </item>
-       
-       <item>
-               <title>July 13th: Debian/Ubuntu BSP and Skolelinux/Debian Edu developer gathering in Oslo</title>
-               <link>http://people.skolelinux.org/pere/blog/July_13th__Debian_Ubuntu_BSP_and_Skolelinux_Debian_Edu_developer_gathering_in_Oslo.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/July_13th__Debian_Ubuntu_BSP_and_Skolelinux_Debian_Edu_developer_gathering_in_Oslo.html</guid>
-                <pubDate>Tue, 9 Jul 2013 10:40:00 +0200</pubDate>
-               <description>&lt;p&gt;The upcoming Saturday, 2013-07-13, we are organising a combined
-Debian Edu developer gathering and Debian and Ubuntu bug squashing
-party in Oslo.  It is organised by &lt;a href=&quot;http://www.nuug.no/&quot;&gt;the
-member assosiation NUUG&lt;/a&gt; and
-&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;the Debian Edu / Skolelinux
-project&lt;/a&gt; together with &lt;a href=&quot;http://bitraf.no/&quot;&gt;the hack space
-Bitraf&lt;/a&gt;.&lt;/p&gt;
-
-&lt;p&gt;It starts 10:00 and continue until late evening.  Everyone is
-welcome, and there is no fee to participate.  There is on the other
-hand limited space, and only room for 30 people.  Please put your name
-on &lt;a href=&quot;http://wiki.debian.org/BSP/2013/07/13/no/Oslo&quot;&gt;the event
-wiki page&lt;/a&gt; if you plan to join us.&lt;/p&gt;
+               <title>Debian init.d boot script example for rsyslog</title>
+               <link>http://people.skolelinux.org/pere/blog/Debian_init_d_boot_script_example_for_rsyslog.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Debian_init_d_boot_script_example_for_rsyslog.html</guid>
+                <pubDate>Sat, 2 Nov 2013 22:40:00 +0100</pubDate>
+               <description>&lt;p&gt;If one of the points of switching to a new init system in Debian is
+&lt;a href=&quot;http://thomas.goirand.fr/blog/?p=147&quot;&gt;to get rid of huge
+init.d scripts&lt;/a&gt;, I doubt we need to switch away from sysvinit and
+init.d scripts at all.  Here is an example init.d script, ie a rewrite
+of /etc/init.d/rsyslog:&lt;/p&gt;
+
+&lt;p&gt;&lt;pre&gt;
+#!/lib/init/init-d-script
+### BEGIN INIT INFO
+# Provides:          rsyslog
+# Required-Start:    $remote_fs $time
+# Required-Stop:     umountnfs $time
+# X-Stop-After:      sendsigs
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: enhanced syslogd
+# Description:       Rsyslog is an enhanced multi-threaded syslogd.
+#                    It is quite compatible to stock sysklogd and can be 
+#                    used as a drop-in replacement.
+### END INIT INFO
+DESC=&quot;enhanced syslogd&quot;
+DAEMON=/usr/sbin/rsyslogd
+&lt;/pre&gt;&lt;/p&gt;
+
+&lt;p&gt;Pretty minimalistic to me... For the record, the original sysv-rc
+script was 137 lines, and the above is just 15 lines, most of it meta
+info/comments.&lt;/p&gt;
+
+&lt;p&gt;How to do this, you ask?  Well, one create a new script
+/lib/init/init-d-script looking something like this:
+
+&lt;p&gt;&lt;pre&gt;
+#!/bin/sh
+
+# Define LSB log_* functions.
+# Depend on lsb-base (&gt;= 3.2-14) to ensure that this file is present
+# and status_of_proc is working.
+. /lib/lsb/init-functions
+
+#
+# Function that starts the daemon/service
+
+#
+do_start()
+{
+       # Return
+       #   0 if daemon has been started
+       #   1 if daemon was already running
+       #   2 if daemon could not be started
+       start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test &gt; /dev/null \
+               || return 1
+       start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
+               $DAEMON_ARGS \
+               || return 2
+       # Add code here, if necessary, that waits for the process to be ready
+       # to handle requests from services started subsequently which depend
+       # on this one.  As a last resort, sleep for some time.
+}
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+       # Return
+       #   0 if daemon has been stopped
+       #   1 if daemon was already stopped
+       #   2 if daemon could not be stopped
+       #   other if a failure occurred
+       start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
+       RETVAL=&quot;$?&quot;
+       [ &quot;$RETVAL&quot; = 2 ] &amp;&amp; return 2
+       # Wait for children to finish too if this is a daemon that forks
+       # and if the daemon is only ever run from this initscript.
+       # If the above conditions are not satisfied then add some other code
+       # that waits for the process to drop all resources that could be
+       # needed by services started subsequently.  A last resort is to
+       # sleep for some time.
+       start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
+       [ &quot;$?&quot; = 2 ] &amp;&amp; return 2
+       # Many daemons don&#39;t delete their pidfiles when they exit.
+       rm -f $PIDFILE
+       return &quot;$RETVAL&quot;
+}
+
+#
+# Function that sends a SIGHUP to the daemon/service
+#
+do_reload() {
+       #
+       # If the daemon can reload its configuration without
+       # restarting (for example, when it is sent a SIGHUP),
+       # then implement that here.
+       #
+       start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
+       return 0
+}
+
+SCRIPTNAME=$1
+scriptbasename=&quot;$(basename $1)&quot;
+echo &quot;SN: $scriptbasename&quot;
+if [ &quot;$scriptbasename&quot; != &quot;init-d-library&quot; ] ; then
+    script=&quot;$1&quot;
+    shift
+    . $script
+else
+    exit 0
+fi
+
+NAME=$(basename $DAEMON)
+PIDFILE=/var/run/$NAME.pid
+
+# Exit if the package is not installed
+#[ -x &quot;$DAEMON&quot; ] || exit 0
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] &amp;&amp; . /etc/default/$NAME
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+case &quot;$1&quot; in
+  start)
+       [ &quot;$VERBOSE&quot; != no ] &amp;&amp; log_daemon_msg &quot;Starting $DESC&quot; &quot;$NAME&quot;
+       do_start
+       case &quot;$?&quot; in
+               0|1) [ &quot;$VERBOSE&quot; != no ] &amp;&amp; log_end_msg 0 ;;
+               2) [ &quot;$VERBOSE&quot; != no ] &amp;&amp; log_end_msg 1 ;;
+       esac
+       ;;
+  stop)
+       [ &quot;$VERBOSE&quot; != no ] &amp;&amp; log_daemon_msg &quot;Stopping $DESC&quot; &quot;$NAME&quot;
+       do_stop
+       case &quot;$?&quot; in
+               0|1) [ &quot;$VERBOSE&quot; != no ] &amp;&amp; log_end_msg 0 ;;
+               2) [ &quot;$VERBOSE&quot; != no ] &amp;&amp; log_end_msg 1 ;;
+       esac
+       ;;
+  status)
+       status_of_proc &quot;$DAEMON&quot; &quot;$NAME&quot; &amp;&amp; exit 0 || exit $?
+       ;;
+  #reload|force-reload)
+       #
+       # If do_reload() is not implemented then leave this commented out
+       # and leave &#39;force-reload&#39; as an alias for &#39;restart&#39;.
+       #
+       #log_daemon_msg &quot;Reloading $DESC&quot; &quot;$NAME&quot;
+       #do_reload
+       #log_end_msg $?
+       #;;
+  restart|force-reload)
+       #
+       # If the &quot;reload&quot; option is implemented then remove the
+       # &#39;force-reload&#39; alias
+       #
+       log_daemon_msg &quot;Restarting $DESC&quot; &quot;$NAME&quot;
+       do_stop
+       case &quot;$?&quot; in
+         0|1)
+               do_start
+               case &quot;$?&quot; in
+                       0) log_end_msg 0 ;;
+                       1) log_end_msg 1 ;; # Old process is still running
+                       *) log_end_msg 1 ;; # Failed to start
+               esac
+               ;;
+         *)
+               # Failed to stop
+               log_end_msg 1
+               ;;
+       esac
+       ;;
+  *)
+       echo &quot;Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}&quot; &gt;&amp;2
+       exit 3
+       ;;
+esac
+
+:
+&lt;/pre&gt;&lt;/p&gt;
+
+&lt;p&gt;It is based on /etc/init.d/skeleton, and could be improved quite a
+lot.  I did not really polish the approach, so it might not always
+work out of the box, but you get the idea.  I did not try very hard to
+optimize it nor make it more robust either.&lt;/p&gt;
+
+&lt;p&gt;A better argument for switching init system in Debian than reducing
+the size of init scripts (which is a good thing to do anyway), is to
+get boot system that is able to handle the kernel events sensibly and
+robustly, and do not depend on the boot to run sequentially.  The boot
+and the kernel have not behaved sequentially in years.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>The Thinkpad is dead, long live the Thinkpad X230?</title>
-               <link>http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230_.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230_.html</guid>
-                <pubDate>Fri, 5 Jul 2013 08:30:00 +0200</pubDate>
-               <description>&lt;p&gt;Half a year ago, I reported that I had to find a
-&lt;a href=&quot;http://people.skolelinux.org/pere/blog/Thank_you_Thinkpad_X41__for_your_long_and_trustworthy_service.html&quot;&gt;replacement
-for my trusty old Thinkpad X41&lt;/a&gt;.  Unfortunately I did not have much
-time to spend on it, and it took a while to find a model I believe
-will do the job, but two days ago the replacement finally arrived.  I
-ended up picking a
-&lt;a href=&quot;http://www.linlap.com/lenovo_thinkpad_x230&quot;&gt;Thinkpad X230&lt;/a&gt;
-with SSD disk (NZDAJMN).  I first test installed Debian Edu Wheezy as
-a roaming workstation, and it seemed to work flawlessly.  But my
-second installation with encrypted disk was not as successful.  More
-on that below.&lt;/p&gt;
-
-&lt;p&gt;I had a hard time trying to track down a good laptop, as my most
-important requirements (robust and with a good keyboard) are never
-listed in the feature list.  But I did get good help from the search
-feature at &lt;a href=&quot;http://www.prisjakt.no/&quot;&gt;Prisjakt&lt;/a&gt;, which
-allowed me to limit the list of interesting laptops based on my other
-requirements.  A bit surprising that SSD disk are not disks according
-to that search interface, so I had to drop specifying the number of
-disks from my search parameters.  I also asked around among friends to
-get their impression on keyboards and robustness.&lt;/p&gt;
-
-&lt;p&gt;So the new laptop arrived, and it is quite a lot wider than the
-X41.  I am not quite convinced about the keyboard, as it is
-significantly wider than my old keyboard, and I have to stretch my
-hand a lot more to reach the edges.  But the key response is fairly
-good and the individual key shape is fairly easy to handle, so I hope
-I will get used to it.  My old X40 was starting to fail, and I really
-needed a new laptop now. :)&lt;/p&gt;
-
-&lt;p&gt;Turning off the touch pad was simple.  All it took was a quick
-visit to the BIOS during boot it disable it.&lt;/p&gt;
-
-&lt;p&gt;But there is a fatal problem with the laptop.  The 180 GB SSD disk
-lock up during load.  And this happen when installing Debian Wheezy
-with encrypted disk, while the disk is being filled with random data.
-I also tested to install Ubuntu Raring, and it happen there too if I
-reenable the code to fill the disk with random data (it is disabled by
-default in Ubuntu).  And the bug with is already known.  It was
-reported to Debian as &lt;a href=&quot;http://bugs.debian.org/691427&quot;&gt;BTS
-report #691427 2012-10-25&lt;/a&gt; (journal commit I/O error on brand-new
-Thinkpad T430s ext4 on lvm on SSD).  It is also reported to the Linux
-kernel developers as
-&lt;a href=&quot;https://bugzilla.kernel.org/show_bug.cgi?id=51861&quot;&gt;Kernel bugzilla
-report #51861 2012-12-20&lt;/a&gt; (Intel SSD 520 stops working under load
-(SSDSC2BW180A3L in Lenovo ThinkPad T430s)). It is also reported on the
-Lenovo forums, both for
-&lt;a href=&quot;http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T430s-Intel-SSD-520-180GB-issue/m-p/1070549&quot;&gt;T430
-2012-11-10&lt;/a&gt; and for
-&lt;a href=&quot;http://forums.lenovo.com/t5/X-Series-ThinkPad-Laptops/x230-SATA-errors-with-180GB-Intel-520-SSD-under-heavy-write-load/m-p/1068147&quot;&gt;X230
-03-20-2013&lt;/a&gt;.  The problem do not only affect installation.  The
-reports state that the disk lock up during use if many writes are done
-on the disk, so it is much no use to work around the installation
-problem and end up with a computer that can lock up at any moment.
-There is even a
-&lt;a href=&quot;https://git.efficios.com/?p=test-ssd.git&quot;&gt;small C program
-available&lt;/a&gt; that will lock up the hard drive after running a few
-minutes by writing to a file.&lt;/p&gt;
-
-&lt;p&gt;I&#39;ve contacted my supplier and asked how to handle this, and after
-contacting PCHELP Norway (request 01D1FDP) which handle support
-requests for Lenovo, his first suggestion was to upgrade the disk
-firmware.  Unfortunately there is no newer firmware available from
-Lenovo, as my disk already have the most recent one (version LF1i).  I
-hope to hear more from him today and hope the problem can be
-fixed. :)&lt;/p&gt;
+               <title>Browser plugin for SPICE (spice-xpi) uploaded to Debian</title>
+               <link>http://people.skolelinux.org/pere/blog/Browser_plugin_for_SPICE__spice_xpi__uploaded_to_Debian.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Browser_plugin_for_SPICE__spice_xpi__uploaded_to_Debian.html</guid>
+                <pubDate>Fri, 1 Nov 2013 11:00:00 +0100</pubDate>
+               <description>&lt;p&gt;&lt;a href=&quot;http://www.spice-space.org/&quot;&gt;The SPICE protocol&lt;/a&gt; for
+remote display access is the preferred solution with oVirt and RedHat
+Enterprise Virtualization, and I was sad to discover the other day
+that the browser plugin needed to use these systems seamlessly was
+missing in Debian.  The &lt;a href=&quot;http://bugs.debian.org/668284&quot;&gt;request
+for a package&lt;/a&gt; was from 2012-04-10 with no progress since
+2013-04-01, so I decided to wrap up a package based on the great work
+from Cajus Pollmeier and put it in a collab-maint maintained git
+repository to get a package I could use.  I would very much like
+others to help me maintain the package (or just take over, I do not
+mind), but as no-one had volunteered so far, I just uploaded it to
+NEW.  I hope it will be available in Debian in a few days.&lt;/p&gt;
+
+&lt;p&gt;The source is now available from
+&lt;a href=&quot;http://anonscm.debian.org/gitweb/?p=collab-maint/spice-xpi.git;a=summary&quot;&gt;http://anonscm.debian.org/gitweb/?p=collab-maint/spice-xpi.git;a=summary&lt;/a&gt;.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>The Thinkpad is dead, long live the Thinkpad X230</title>
-               <link>http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/The_Thinkpad_is_dead__long_live_the_Thinkpad_X230.html</guid>
-                <pubDate>Thu, 4 Jul 2013 09:20:00 +0200</pubDate>
-               <description>&lt;p&gt;Half a year ago, I reported that I had to find a replacement for my
-trusty old Thinkpad X41.  Unfortunately I did not have much time to
-spend on it, but today the replacement finally arrived.  I ended up
-picking a &lt;a href=&quot;http://www.linlap.com/lenovo_thinkpad_x230&quot;&gt;Thinkpad
-X230&lt;/a&gt; with SSD disk (NZDAJMN).  I first test installed Debian Edu
-Wheezy as a roaming workstation, and it worked flawlessly.  As I write
-this, it is installing what I hope will be a more final installation,
-with a encrypted hard drive to ensure any dope head stealing it end up
-with an expencive door stop.&lt;/p&gt;
-
-&lt;p&gt;I had a hard time trying to track down a good laptop, as my most
-important requirements (robust and with a good keyboard) are never
-listed in the feature list.  But I did get good help from the search
-feature at &lt;ahref=&quot;http://www.prisjakt.no/&quot;&gt;Prisjakt&lt;/a&gt;, which
-allowed me to limit the list of interesting laptops based on my other
-requirements.  A bit surprising that SSD disk are not disks, so I had
-to drop number of disks from my search parameters.&lt;/p&gt;
-
-&lt;p&gt;I am not quite convinced about the keyboard, as it is significantly
-wider than my old keyboard, and I have to stretch my hand a lot more
-to reach the edges.  But the key response is fairly good and the
-individual key shape is fairly easy to handle, so I hope I will get
-used to it.  My old X40 was starting to fail, and I really needed a
-new laptop now. :)&lt;/p&gt;
-
-&lt;p&gt;I look forward to figuring out how to turn off the touch pad.&lt;/p&gt;
+               <title>Teaching vmdebootstrap to create Raspberry Pi SD card images</title>
+               <link>http://people.skolelinux.org/pere/blog/Teaching_vmdebootstrap_to_create_Raspberry_Pi_SD_card_images.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Teaching_vmdebootstrap_to_create_Raspberry_Pi_SD_card_images.html</guid>
+                <pubDate>Sun, 27 Oct 2013 17:00:00 +0100</pubDate>
+               <description>&lt;p&gt;The
+&lt;a href=&quot;http://packages.qa.debian.org/v/vmdebootstrap.html&quot;&gt;vmdebootstrap&lt;/a&gt;
+program is a a very nice system to create virtual machine images.  It
+create a image file, add a partition table, mount it and run
+debootstrap in the mounted directory to create a Debian system on a
+stick.  Yesterday, I decided to try to teach it how to make images for
+&lt;a href=&quot;https://wiki.debian.org/RaspberryPi&quot;&gt;Raspberry Pi&lt;/a&gt;, as part
+of a plan to simplify the build system for
+&lt;a href=&quot;https://wiki.debian.org/FreedomBox&quot;&gt;the FreedomBox
+project&lt;/a&gt;.  The FreedomBox project already uses vmdebootstrap for
+the virtualbox images, but its current build system made multistrap
+based system for Dreamplug images, and it is lacking support for
+Raspberry Pi.&lt;/p&gt;
+
+&lt;p&gt;Armed with the knowledge on how to build &quot;foreign&quot; (aka non-native
+architecture) chroots for Raspberry Pi, I dived into the vmdebootstrap
+code and adjusted it to be able to build armel images on my amd64
+Debian laptop.  I ended up giving vmdebootstrap five new options,
+allowing me to replicate the image creation process I use to make
+&lt;a href=&quot;http://people.skolelinux.org/pere/blog/A_Raspberry_Pi_based_batman_adv_Mesh_network_node.html&quot;&gt;Debian
+Jessie based mesh node images for the Raspberry Pi&lt;/a&gt;.  First, the
+&lt;tt&gt;--foreign /path/to/binfm_handler&lt;/tt&gt; option tell vmdebootstrap to
+call debootstrap with --foreign and to copy the handler into the
+generated chroot before running the second stage.  This allow
+vmdebootstrap to create armel images on an amd64 host.  Next I added
+two new options &lt;tt&gt;--bootsize size&lt;/tt&gt; and &lt;tt&gt;--boottype
+fstype&lt;/tt&gt; to teach it to create a separate /boot/ partition with the
+given file system type, allowing me to create an image with a vfat
+partition for the /boot/ stuff.  I also added a &lt;tt&gt;--variant
+variant&lt;/tt&gt; option to allow me to create smaller images without the
+Debian base system packages installed.  Finally, I added an option
+&lt;tt&gt;--no-extlinux&lt;/tt&gt; to tell vmdebootstrap to not install extlinux
+as a boot loader.  It is not needed on the Raspberry Pi and probably
+most other non-x86 architectures.  The changes were accepted by the
+upstream author of vmdebootstrap yesterday and today, and is now
+available from
+&lt;a href=&quot;http://git.liw.fi/cgi-bin/cgit/cgit.cgi/vmdebootstrap/&quot;&gt;the
+upstream project page&lt;/a&gt;.&lt;/p&gt;
+
+&lt;p&gt;To use it to build a Raspberry Pi image using Debian Jessie, first
+create a small script (the customize script) to add the non-free
+binary blob needed to boot the Raspberry Pi and the APT source
+list:&lt;/p&gt;
+
+&lt;p&gt;&lt;pre&gt;
+#!/bin/sh
+set -e # Exit on first error
+rootdir=&quot;$1&quot;
+cd &quot;$rootdir&quot;
+cat &amp;lt;&amp;lt;EOF &gt; etc/apt/sources.list
+deb http://http.debian.net/debian/ jessie main contrib non-free
+EOF
+# Install non-free binary blob needed to boot Raspberry Pi.  This
+# install a kernel somewhere too.
+wget https://raw.github.com/Hexxeh/rpi-update/master/rpi-update \
+    -O $rootdir/usr/bin/rpi-update
+chmod a+x $rootdir/usr/bin/rpi-update
+mkdir -p $rootdir/lib/modules
+touch $rootdir/boot/start.elf
+chroot $rootdir rpi-update
+&lt;/pre&gt;&lt;/p&gt;
+
+&lt;p&gt;Next, fetch the latest vmdebootstrap script and call it like this
+to build the image:&lt;/p&gt;
+
+&lt;pre&gt;
+sudo ./vmdebootstrap \
+    --variant minbase \
+    --arch armel \
+    --distribution jessie \
+    --mirror http://http.debian.net/debian \
+    --image test.img \
+    --size 600M \
+    --bootsize 64M \
+    --boottype vfat \
+    --log-level debug \
+    --verbose \
+    --no-kernel \
+    --no-extlinux \
+    --root-password raspberry \
+    --hostname raspberrypi \
+    --foreign /usr/bin/qemu-arm-static \
+    --customize `pwd`/customize \
+    --package netbase \
+    --package git-core \
+    --package binutils \
+    --package ca-certificates \
+    --package wget \
+    --package kmod
+&lt;/pre&gt;&lt;/p&gt;
+
+&lt;p&gt;The list of packages being installed are the ones needed by
+rpi-update to make the image bootable on the Raspberry Pi, with the
+exception of netbase, which is needed by debootstrap to find
+/etc/hosts with the minbase variant.  I really wish there was a way to
+set up an Raspberry Pi using only packages in the Debian archive, but
+that is not possible as far as I know, because it boots from the GPU
+using a non-free binary blob.&lt;/p&gt;
+
+&lt;p&gt;The build host need debootstrap, kpartx and qemu-user-static and
+probably a few others installed.  I have not checked the complete
+build dependency list.&lt;/p&gt;
+
+&lt;p&gt;The resulting image will not use the hardware floating point unit
+on the Raspberry PI, because the armel architecture in Debian is not
+optimized for that use.  So the images created will be a bit slower
+than &lt;a href=&quot;http://www.raspbian.org/&quot;&gt;Raspbian&lt;/a&gt; based images.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>Fourth alpha release of Debian Edu/Skolelinux based on Debian Wheezy</title>
-               <link>http://people.skolelinux.org/pere/blog/Fourth_alpha_release_of_Debian_Edu_Skolelinux_based_on_Debian_Wheezy.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Fourth_alpha_release_of_Debian_Edu_Skolelinux_based_on_Debian_Wheezy.html</guid>
-                <pubDate>Wed, 3 Jul 2013 14:00:00 +0200</pubDate>
-               <description>&lt;p&gt;The fourth wheezy based alpha release of Debian Edu was wrapped up
-today.  This is the release announcement:&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;New features for Debian Edu 7.1+edu0~alpha3 released
-2013-07-03&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;These are the release notes for for Debian Edu / Skolelinux
-7.1+edu0~alpha3, based on Debian with codename &quot;Wheezy&quot;.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;About Debian Edu and Skolelinux&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu, also known as
-Skolelinux&lt;/a&gt;, is a Linux distribution based on Debian providing an
-out-of-the box environment of a completely configured school
-network. Immediately after installation a school server running all
-services needed for a school network is set up just waiting for users
-and machines being added via GOsa², a comfortable Web-UI. A netbooting
-environment is prepared using PXE, so after initial installation of
-the main server from CD, DVD or USB stick all other machines can be
-installed via the network. The provided school server provides LDAP
-database and Kerberos authentication service, centralized home
-directories, DHCP server, web proxy and many other services. The
-desktop contains
-&lt;a href=&quot;http://people.skolelinux.org/pere/blog/Educational_applications_included_in_Debian_Edu___Skolelinux__the_screenshot_collection____.html&quot;&gt;more
-than 60 educational software packages&lt;/a&gt; and more are available from
-the Debian archive, and schools can choose between KDE, Gnome, LXDE
-and Xfce desktop environment.&lt;/p&gt;
-
-&lt;p&gt;This is the fourth test release based on Debian Wheezy. Basically
-this is an updated and slightly improved version compared to the
-Squeeze release.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;Software updates&lt;/strong&gt;&lt;/p&gt;
-&lt;ul&gt;
-  &lt;li&gt;Dropped ispell dictionaries from our default installation.&lt;/li&gt;
-  &lt;li&gt;Dropped menu-xdg from the KDE desktop option, to drop the Debian
-    submenu.  It was not included with Gnome, LXDE or Xfce, so this
-    brings KDE in line with the others.&lt;/li&gt;
-  &lt;li&gt;Dropped xdrawchem, xjig and xsok from our default installation as
-    they don&#39;t have a desktop menu entry and thus won&#39;t show up in the
-    menu now that menu-xdg was removed.&lt;/li&gt;
-  &lt;li&gt;Removed the killer system to kill left behind processes on
-    multi-user machines, as it was no longer able to understand when a
-    X display was in use and killed the processes of the active users
-    too.&lt;/li&gt;
-  &lt;li&gt;Dropped the golearn (from goplay) package as the debtags in wheezy
-    are too few to make the package useful.&lt;/li&gt;
-&lt;/ul&gt;
-&lt;p&gt;&lt;strong&gt;Other changes&lt;/strong&gt;&lt;/p&gt;
-&lt;ul&gt;
-  &lt;li&gt;Updated artwork matching http://wiki.debian.org/DebianArt/Themes/Joy
-  &lt;li&gt;Multi-arch i386/amd64 USB stick ISO available.&lt;/li&gt;
-  &lt;li&gt;Got rid of ispell/wordlist related debconf questions that showed
-    up for some language options.&lt;/li&gt;
-  &lt;li&gt;Switched to using http.debian.net as APT source by default.&lt;/li&gt;
-  &lt;li&gt;Fixed proxy configuration on Main Server installations.&lt;/li&gt;
-  &lt;li&gt;Changed LTSP setup to ask dpkg to use force-unsafe-io the same way
-    d-i is doing it.&lt;/li&gt;
-  &lt;li&gt;Made sure root and user passwords were not left behind in the
-    debconf database after installation on Main Server installations.&lt;/li&gt;
-  &lt;li&gt;Made Roaming Workstation dynamic setup more robust and added draft
-    script setup-ad-client to hook a Roaming Workstation up to a
-    Active Directory server instead of a Debian Edu Main Server.&lt;/li&gt;
-  &lt;li&gt;Update system to install needed firmware packages during
-    installation, to work properly in Wheezy.&lt;/li&gt;
-  &lt;li&gt;Update system to handle hardware quirks (debian-edu-hwsetup).&lt;/li&gt;
-  &lt;li&gt;Corrected PXE installation setup to properly pass selected desktop
-    and keymap settings to PXE installation clients.&lt;/li&gt;
-  &lt;li&gt;LTSP diskless workstations use sshfs by default, allowing them to
-    work without adding them to DNS and NIS netgroups for NFS access.&lt;/li&gt;
-&lt;/ul&gt;
-&lt;p&gt;&lt;strong&gt;Known issues&lt;/strong&gt;&lt;/p&gt;
-&lt;ul&gt;
-  &lt;li&gt;No mass import of user account data in GOsa (ldif or csv)
-    available yet (698840).&lt;/li&gt;
-  &lt;li&gt;Artwork not enabled for all desktops.&lt;/li&gt;
-&lt;/ul&gt;
-&lt;p&gt;&lt;strong&gt;Where to get it&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;To download the multiarch netinstall CD release you can use&lt;/p&gt;
-&lt;ul&gt;
-  &lt;li&gt;&lt;a href=&quot;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&quot;&gt;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&lt;/a&gt;&lt;/li&gt;
-  &lt;li&gt;&lt;a href=&quot;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&quot;&gt;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso&lt;/a&gt;&lt;/li&gt;
-  &lt;li&gt;rsync -avzP ftp.skolelinux.org::skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-CD.iso .&lt;/li&gt;
-&lt;/ul&gt;
-
-&lt;p&gt;The MD5SUM of this image is: 2b161a99d2a848c376d8d04e3854e30c
-&lt;br&gt;The SHA1SUM of this image is: 498922e9c508c0a7ee9dbe1dfe5bf830d779c3c8&lt;/p&gt;
-
-&lt;p&gt;To download the multiarch USB stick ISO release you can use&lt;/p&gt;
-&lt;ul&gt;
-  &lt;li&gt;&lt;a href=&quot;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&quot;&gt;ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&lt;/a&gt;&lt;/li&gt;
-  &lt;li&gt;&lt;a href=&quot;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&quot;&gt;http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso&lt;/a&gt;&lt;/li&gt;
-  &lt;li&gt;rsync -avzP ftp.skolelinux.org::skolelinux-cd/wheezy/debian-edu-7.1+edu0~a3-USB.iso .&lt;/li&gt;
-&lt;/ul&gt;
-
-&lt;p&gt;The MD5SUM of this image is: 25e808e403a4c15dbef1d13c37d572ac
-&lt;br&gt;The SHA1SUM of this image is: 15ecfc93eb6b4f453b7eb0bc04b6a279262d9721&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;How to report bugs&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;&lt;a href=&quot;http://wiki.debian.org/DebianEdu/HowTo/ReportBugs&quot;&gt;http://wiki.debian.org/DebianEdu/HowTo/ReportBugs&lt;/a&gt;&lt;/p&gt;
+               <title>Det er jo makta som er mest sårbar ved massiv overvåkning av Internett</title>
+               <link>http://people.skolelinux.org/pere/blog/Det_er_jo_makta_som_er_mest_s_rbar_ved_massiv_overv_kning_av_Internett.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Det_er_jo_makta_som_er_mest_s_rbar_ved_massiv_overv_kning_av_Internett.html</guid>
+                <pubDate>Sat, 26 Oct 2013 20:30:00 +0200</pubDate>
+               <description>&lt;p&gt;De siste måneders eksponering av
+&lt;a href=&quot;http://www.aftenposten.no/nyheter/uriks/Her-er-Edvard-Snowdens-mest-omtalte-avsloringer-7351734.html&quot;&gt;den
+totale overvåkningen som foregår i den vestlige verden dokumenterer
+hvor sårbare vi er&lt;/a&gt;.  Men det slår meg at de som er mest sårbare
+for dette, myndighetspersoner på alle nivåer, neppe har innsett at de
+selv er de mest interessante personene å lage profiler på, for å kunne
+påvirke dem.&lt;/p&gt;
+
+&lt;p&gt;For å ta et lite eksempel: Stortingets nettsted,
+&lt;a href=&quot;http://www.stortinget.no/&quot;&gt;www.stortinget.no&lt;/a&gt; (og
+forsåvidt også
+&lt;a href=&quot;http://data.stortinget.no/&quot;&gt;data.stortinget.no&lt;/a&gt;),
+inneholder informasjon om det som foregår på Stortinget, og jeg antar
+de største brukerne av informasjonen der er representanter og
+rådgivere på Stortinget.  Intet overraskende med det.  Det som derimot
+er mer skjult er at Stortingets nettsted bruker
+&lt;a href=&quot;http://en.wikipedia.org/wiki/Google_Analytics&quot;&gt;Google
+Analytics&lt;/a&gt;, hvilket gjør at enhver som besøker nettsidene der også
+rapporterer om besøket via Internett-linjer som passerer Sverige,
+England og videre til USA.  Det betyr at informasjon om ethvert besøk
+på stortingets nettsider kan snappes opp av svensk, britisk og USAs
+etterretningsvesen.  De kan dermed holde et øye med hvilke
+Stortingssaker stortingsrepresentantene synes er interessante å sjekke
+ut, og hvilke sider rådgivere og andre på stortinget synes er
+interessant å besøke, når de gjør det og hvilke andre representanter
+som sjekker de samme sidene omtrent samtidig.  Stortingets bruk av
+Google Analytics gjør det dermed enkelt for utenlands etteretning å
+spore representantenes aktivitet og interesse.  Hvis noen av
+representantene bruker Google Mail eller noen andre tjenestene som
+krever innlogging, så vil det være enda enklere å finne ut nøyaktig
+hvilke personer som bruker hvilke nettlesere og dermed knytte
+informasjonen opp til enkeltpersoner på Stortinget.&lt;/p&gt;
+
+&lt;p&gt;Og jo flere nettsteder som bruker Google Analytics, jo bedre
+oversikt over stortingsrepresentantenes lesevaner og interesse blir
+tilgjengelig for svensk, britisk og USAs etterretning.  Hva de kan
+bruke den informasjonen til overlater jeg til leseren å undres
+over.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>Automatically locate and install required firmware packages on Debian (Isenkram 0.4)</title>
-               <link>http://people.skolelinux.org/pere/blog/Automatically_locate_and_install_required_firmware_packages_on_Debian__Isenkram_0_4_.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Automatically_locate_and_install_required_firmware_packages_on_Debian__Isenkram_0_4_.html</guid>
-                <pubDate>Tue, 25 Jun 2013 11:50:00 +0200</pubDate>
-               <description>&lt;p&gt;It annoys me when the computer fail to do automatically what it is
-perfectly capable of, and I have to do it manually to get things
-working.  One such task is to find out what firmware packages are
-needed to get the hardware on my computer working.  Most often this
-affect the wifi card, but some times it even affect the RAID
-controller or the ethernet card.  Today I pushed version 0.4 of the
-&lt;a href=&quot;http://packages.qa.debian.org/isenkram&quot;&gt;Isenkram package&lt;/a&gt;
-including a new script isenkram-autoinstall-firmware handling the
-process of asking all the loaded kernel modules what firmware files
-they want, find debian packages providing these files and install the
-debian packages.  Here is a test run on my laptop:&lt;/p&gt;
-
-&lt;p&gt;&lt;pre&gt;
-# isenkram-autoinstall-firmware 
-info: kernel drivers requested extra firmware: ipw2200-bss.fw ipw2200-ibss.fw ipw2200-sniffer.fw
-info: fetching http://http.debian.net/debian/dists/squeeze/Contents-i386.gz
-info: locating packages with the requested firmware files
-info: Updating APT sources after adding non-free APT source
-info: trying to install firmware-ipw2x00
-firmware-ipw2x00
-firmware-ipw2x00
-Preconfiguring packages ...
-Selecting previously deselected package firmware-ipw2x00.
-(Reading database ... 259727 files and directories currently installed.)
-Unpacking firmware-ipw2x00 (from .../firmware-ipw2x00_0.28+squeeze1_all.deb) ...
-Setting up firmware-ipw2x00 (0.28+squeeze1) ...
-# 
-&lt;/pre&gt;&lt;/p&gt;
-
-&lt;p&gt;When all the requested firmware is present, a simple message is
-printed instead:&lt;/p&gt;
+               <title>A Raspberry Pi based batman-adv Mesh network node</title>
+               <link>http://people.skolelinux.org/pere/blog/A_Raspberry_Pi_based_batman_adv_Mesh_network_node.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/A_Raspberry_Pi_based_batman_adv_Mesh_network_node.html</guid>
+                <pubDate>Mon, 21 Oct 2013 11:40:00 +0200</pubDate>
+               <description>&lt;p&gt;The last few days I have been experimenting with
+&lt;a href=&quot;http://www.open-mesh.org/projects/batman-adv/wiki&quot;&gt;the
+batman-adv mesh technology&lt;/a&gt;.  I want to gain some experience to see
+if it will fit &lt;a href=&quot;https://wiki.debian.org/FreedomBox&quot;&gt;the
+Freedombox project&lt;/a&gt;, and together with my neighbors try to build a
+mesh network around the park where I live.  Batman-adv is a layer 2
+mesh system (&quot;ethernet&quot; in other words), where the mesh network appear
+as if all the mesh clients are connected to the same switch.&lt;/p&gt;
+
+&lt;p&gt;My hardware of choice was the Linksys WRT54GL routers I had lying
+around, but I&#39;ve been unable to get them working with batman-adv.  So
+instead, I started playing with a
+&lt;a href=&quot;http://www.raspberrypi.org/&quot;&gt;Raspberry Pi&lt;/a&gt;, and tried to
+get it working as a mesh node.  My idea is to use it to create a mesh
+node which function as a switch port, where everything connected to
+the Raspberry Pi ethernet plug is connected (bridged) to the mesh
+network.  This allow me to hook a wifi base station like the Linksys
+WRT54GL to the mesh by plugging it into a Raspberry Pi, and allow
+non-mesh clients to hook up to the mesh.  This in turn is useful for
+Android phones using &lt;a href=&quot;http://servalproject.org/&quot;&gt;the Serval
+Project&lt;/a&gt; voip client, allowing every one around the playground to
+phone and message each other for free.  The reason is that Android
+phones do not see ad-hoc wifi networks (they are filtered away from
+the GUI view), and can not join the mesh without being rooted.  But if
+they are connected using a normal wifi base station, they can talk to
+every client on the local network.&lt;/p&gt;
+
+&lt;p&gt;To get this working, I&#39;ve created a debian package
+&lt;a href=&quot;https://github.com/petterreinholdtsen/meshfx-node&quot;&gt;meshfx-node&lt;/a&gt;
+and a script
+&lt;a href=&quot;https://github.com/petterreinholdtsen/meshfx-node/blob/master/build-rpi-mesh-node&quot;&gt;build-rpi-mesh-node&lt;/a&gt;
+to create the Raspberry Pi boot image.  I&#39;m using Debian Jessie (and
+not Raspbian), to get more control over the packages available.
+Unfortunately a huge binary blob need to be inserted into the boot
+image to get it booting, but I&#39;ll ignore that for now.  Also, as
+Debian lack support for the CPU features available in the Raspberry
+Pi, the system do not use the hardware floating point unit.  I hope
+the routing performance isn&#39;t affected by the lack of hardware FPU
+support.&lt;/p&gt;
+
+&lt;p&gt;To create an image, run the following with a sudo enabled user
+after inserting the target SD card into the build machine:&lt;/p&gt;

 
 &lt;p&gt;&lt;pre&gt;
 
 &lt;p&gt;&lt;pre&gt;

-# isenkram-autoinstall-firmware 
-info: did not find any firmware files requested by loaded kernel modules.  exiting
-# 
+% wget -O build-rpi-mesh-node \
+    https://raw.github.com/petterreinholdtsen/meshfx-node/master/build-rpi-mesh-node
+% sudo bash -x ./build-rpi-mesh-node &gt; build.log 2&gt;&amp;1
+% dd if=/root/rpi/rpi_basic_jessie_$(date +%Y%m%d).img of=/dev/mmcblk0 bs=1M
+%

 &lt;/pre&gt;&lt;/p&gt;
 
 &lt;/pre&gt;&lt;/p&gt;
 

-&lt;p&gt;It could use some polish, but it is already working well and saving
-me some time when setting up new machines. :)&lt;/p&gt;
-
-&lt;p&gt;So, how does it work?  It look at the set of currently loaded
-kernel modules, and look up each one of them using modinfo, to find
-the firmware files listed in the module meta-information.  Next, it
-download the Contents file from a nearby APT mirror, and search for
-the firmware files in this file to locate the package with the
-requested firmware file.  If the package is in the non-free section, a
-non-free APT source is added and the package is installed using
-&lt;tt&gt;apt-get install&lt;/tt&gt;.  The end result is a slightly better working
-machine.&lt;/p&gt;
-
-&lt;p&gt;I hope someone find time to implement a more polished version of
-this script as part of the hw-detect debian-installer module, to
-finally fix &lt;a href=&quot;http://bugs.debian.org/655507&quot;&gt;BTS report
-#655507&lt;/a&gt;.  There really is no need to insert USB sticks with
-firmware during a PXE install when the packages already are available
-from the nearby Debian mirror.&lt;/p&gt;
+&lt;p&gt;Booting with the resulting SD card on a Raspberry PI with a USB
+wifi card inserted should give you a mesh node.  At least it does for
+me with a the wifi card I am using. The default mesh settings are the
+ones used by the Oslo mesh project at Hackeriet, as I mentioned in
+&lt;a href=&quot;http://people.skolelinux.org/pere/blog/Oslo_community_mesh_network___with_NUUG_and_Hackeriet_at_Hausmania.html&quot;&gt;an
+earlier blog post about this mesh testing&lt;/a&gt;.&lt;/p&gt;
+
+&lt;p&gt;The mesh node was not horribly expensive either.  I bought
+everything over the counter in shops nearby.  If I had ordered online
+from the lowest bidder, the price should be significantly lower:&lt;/p&gt;
+
+&lt;p&gt;&lt;table&gt;
+
+&lt;tr&gt;&lt;th&gt;Supplier&lt;/th&gt;&lt;th&gt;Model&lt;/th&gt;&lt;th&gt;NOK&lt;/th&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;Teknikkmagasinet&lt;/td&gt;&lt;td&gt;Raspberry Pi model B&lt;/td&gt;&lt;td&gt;349.90&lt;/td&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;Teknikkmagasinet&lt;/td&gt;&lt;td&gt;Raspberry Pi type B case&lt;/td&gt;&lt;td&gt;99.90&lt;/td&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;Lefdal&lt;/td&gt;&lt;td&gt;Jensen Air:Link 25150&lt;/td&gt;&lt;td&gt;295.-&lt;/td&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;Clas Ohlson&lt;/td&gt;&lt;td&gt;Kingston 16 GB SD card&lt;/td&gt;&lt;td&gt;199.-&lt;/td&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;Total cost&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;943.80&lt;/td&gt;&lt;/tr&gt;
+
+&lt;/table&gt;&lt;/p&gt;
+
+&lt;p&gt;Now my mesh network at home consist of one laptop in the basement
+connected to my production network, one Raspberry Pi node on the 1th
+floor that can be seen by my neighbor across the park, and one
+play-node I use to develop the image building script.  And some times
+I hook up my work horse laptop to the mesh to test it.  I look forward
+to figuring out what kind of latency the batman-adv setup will give,
+and how much packet loss we will experience around the park. :)&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>The value of a good distro wide test suite...</title>
-               <link>http://people.skolelinux.org/pere/blog/The_value_of_a_good_distro_wide_test_suite___.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/The_value_of_a_good_distro_wide_test_suite___.html</guid>
-                <pubDate>Sat, 22 Jun 2013 07:00:00 +0200</pubDate>
-               <description>&lt;p&gt;In the &lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu /
-Skolelinux&lt;/a&gt; project, we include a post-installation test suite,
-which check that services are running, working, and return the
-expected results.  It runs automatically just after the first boot on
-test installations (using test ISOs), but not on production
-installations (using non-test ISOs).  It test that the LDAP service is
-operating, Kerberos is responding, DNS is replying, file systems are
-online resizable, etc, etc.  And it check that the PXE service is
-configured, which is the topic of this post.&lt;/p&gt;
-
-&lt;p&gt;The last week I&#39;ve fixed the DVD and USB stick ISOs for our Debian
-Edu Wheezy release.  These ISOs are supposed to be able to install a
-complete system without any Internet connection, but for that to
-happen all the needed packages need to be on them.  Thanks to our test
-suite, I discovered that we had forgotten to adjust our PXE setup to
-cope with the new names and paths used by the netboot d-i packages.
-When Internet connectivity was available, the installer fall back to
-using wget to fetch d-i boot images, but when offline it require
-working packages to get it working.  And ad the packages changed name
-from debian-installer-6.0-netboot-$arch to
-debian-installer-7.0-netboot-$arch, we no longer pulled in the
-packages during installation.  Without our test suite, I suspect we
-would never have discovered this before release.  Now it is fixed
-right after we got the ISOs operational.&lt;/p&gt;
-
-&lt;p&gt;Another by-product of the test suite is that we can ask system
-administrators with problems getting Debian Edu to work, to run the
-test suite using &lt;tt&gt;/usr/sbin/debian-edu-test-install&lt;/tt&gt; and see if
-any errors are detected.  This usually pinpoint the subsystem causing
-the problem.&lt;/p&gt;
-
-&lt;p&gt;If you want to help us help kids learn how to share and create,
-please join us on
-&lt;a href=&quot;irc://irc.debian.org/%23debian-edu&quot;&gt;#debian-edu on
-irc.debian.org&lt;/a&gt; and the
-&lt;a href=&quot;http://lists.debian.org/debian-edu/&quot;&gt;debian-edu@&lt;/a&gt; mailing
-list.&lt;/p&gt;
+               <title>Perl library to control the Spykee robot moved to github</title>
+               <link>http://people.skolelinux.org/pere/blog/Perl_library_to_control_the_Spykee_robot_moved_to_github.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Perl_library_to_control_the_Spykee_robot_moved_to_github.html</guid>
+                <pubDate>Sat, 19 Oct 2013 10:20:00 +0200</pubDate>
+               <description>&lt;p&gt;Back in 2010, I created a Perl library to talk to
+&lt;a href=&quot;http://en.wikipedia.org/wiki/Spykee&quot;&gt;the Spykee robot&lt;/a&gt;
+(with two belts, wifi, USB and Linux) and made it available from my
+web page.  Today I concluded that it should move to a site that is
+easier to use to cooperate with others, and moved it to github.  If
+you got a Spykee robot, you might want to check out
+&lt;a href=&quot;https://github.com/petterreinholdtsen/libspykee-perl&quot;&gt;the
+libspykee-perl github repository&lt;/a&gt;.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>Debian Edu interview: Victor Nițu</title>
-               <link>http://people.skolelinux.org/pere/blog/Debian_Edu_interview__Victor_Ni_u.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Debian_Edu_interview__Victor_Ni_u.html</guid>
-                <pubDate>Mon, 17 Jun 2013 10:50:00 +0200</pubDate>
-               <description>&lt;p&gt;The &lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu and
-Skolelinux&lt;/a&gt; distribution have users and contributors all around the
-globe.  And a while back, an enterprising young man showed up on
-&lt;a href=&quot;irc://irc.debian.org/%23debian-edu&quot;&gt;our IRC channel
-#debian-edu&lt;/a&gt; and started asking questions about how Debian Edu
-worked.  We answered as good as we could, and even convinced him to
-help us with translations.  And today I managed to get an interview
-with him, to learn more about him.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;Who are you, and how do you spend your days?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;I&#39;m a 25 year old free software enthusiast, living in Romania,
-which is also my country of origin. Back in 2009, at a New Year&#39;s Eve
-party, I had a very nice &lt;strike&gt;beer&lt;/strike&gt; discussion with a
-friend, when we realized we have no organised Debian community in our
-country. A few days later, we put together the infrastructure for such
-community and even gathered a nice Debian-ish crowd. Since then, I
-began my quest as a free software hacker and activist and I am
-constantly trying to cover as much ground as possible on that
-field.&lt;/p&gt;
-
-&lt;p&gt;A few years ago I founded a small web development company, which
-provided me the flexible schedule I needed so much for my
-activities. For the last 13 months, I have been the Technical Director
-of &lt;a href=&quot;http://ceata.org/&quot;&gt;Fundația Ceata&lt;/a&gt;, which is a free
-software activist organisation endorsed by the FSF and the FSFE, and
-the only one we have in our country.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;How did you get in contact with the Skolelinux / Debian Edu
-project?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;The idea of participating in the Debian Edu project was a surprise
-even to me, since I never used it before I began getting involved in
-it. This year I had a great opportunity to deliver a talk on
-educational software, and I knew immediately where to look. It was a
-love at first sight, since I was previously involved with some of the
-technologies the project incorporates, and I rapidly found a lot of
-ways to contribute.&lt;/p&gt;
-
-&lt;p&gt;My first contributions consisted in translating the installer and
-configuration dialogs, then I found some bugs to squash (I still
-haven&#39;t fixed them yet though), and I even got my eyes on some other
-areas where I can prove myself helpful. Since the appetite for free
-software in my country is pretty low, I&#39;ll be happy to be the first
-one around here advocating for the project&#39;s adoption in educational
-environments, and maybe even get my hands dirty in creating a flavour
-for our own needs. I am not used to make very advanced plannings, so
-from now on, time will tell what I&#39;ll be doing next, but I think I
-have a pretty consistent starting point.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;What do you see as the advantages of Skolelinux/Debian
-Edu?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;Not a long time ago, I was in the position of configuring and
-maintaining a LDAP server on some Debian derivative, and I must say it
-took me a while. A long time ago, I was maintaining a bigger
-Samba-powered infrastructure, and I must say I spent quite a lot of
-time on it. I have similar stories about many of the services included
-with Skolelinux, and the main advantage I see about it is the
-out-of-the box availability of them, making it quite competitive when
-it comes to managing a school&#39;s network, for example.&lt;/p&gt;
-
-&lt;p&gt;Of course, there is more to say about Skolelinux than the
-availability of the software included, its flexibility in various
-scenarios is something I can&#39;t wait to experiment &quot;into the wild&quot; (I
-only played with virtual machines so far). And I am sure there is a
-lot more I haven&#39;t discovered yet about it, being so new within the
-project.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;What do you see as the disadvantages of Skolelinux / Debian
-Edu?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;As usual, when it comes to Debian Blends, I see as the biggest
-disadvantage the lack of a numerous team dedicated to the
-project. Every day I see the same names in the changelogs, and I have
-a constantly fear of the bus factor in this story.  I&#39;d like to see
-Debian Edu advertised more as an entry point into the Debian
-ecosystem, especially amongst newcomers and students. IMHO there are a
-lot low-hanging fruits in terms of bug squashing, and enough
-opportunities to get the feeling of the Debian Project&#39;s dynamics. Not
-to mention it&#39;s a very fun blend to work on!&lt;/p&gt;
-
-&lt;p&gt;Derived from the previous statement, is the delay in catching up
-with the main Debian release and documentation. This is common though
-to all blends and derivatives, but it&#39;s an issue we can all work
-on.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;Which free software do you use daily?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;I can hardly imagine myself spending a day without Vim, since my
-daily routine covers writing code and hacking configuration files. I
-am a fan of the Awesome window manager (but I also like the
-Enlightenment project a lot!),
-&lt;a href=&quot;http://www.claws-mail.org/‎&quot;&gt;Claws Mail&lt;/a&gt; due to its ease of
-use and very configurable behaviour. Recently I fell in love with
-&lt;a href=&quot;https://launchpad.net/redshift&quot;&gt;Redshift&lt;/a&gt;, which helps me
-get through the night without headaches. Of course, there is much more
-stuff in this bag, but I&#39;ll need a blog on my own for doing this!&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;Which strategy do you believe is the right one to use to
-get schools to use free software?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;Well, on this field, I cannot do much more than experiment right
-now. So, being far from having a recipe for success, I can only assume
-that:&lt;/p&gt;
-
-&lt;ul&gt;
-
-&lt;li&gt;schools would like to get rid of proprietary software&lt;/li&gt;
-
-&lt;li&gt;students will love the openness of the system, and will want to
-    experiment with it - maybe we need to harvest the native curiosity
-    of teenagers more?&lt;/li&gt;
-
-&lt;li&gt;there is no &quot;right one&quot; when it comes to strategies, but it would
-    be useful to have some success stories published somewhere, so
-    other can get some inspiration from them (I know I&#39;d promote
-    them!)&lt;/li&gt;
-
-&lt;li&gt;more active promotion - talks, conferences, even small school
-    lectures can do magical things if they encounter at least one
-    person interested. Who knows who that person might be? ;-)&lt;/li&gt;
-
-&lt;/ul&gt;
-
-&lt;p&gt;I also see some problems in getting Skolelinux into schools; for
-example, in our country we have a great deal of corruption issues, so
-it might be hard(er) to fight against proprietary solutions. Also,
-people who relied on commercial software for all their lives, would be
-very hard to convert against their will.&lt;/p&gt;
+               <title>Good causes: Debian Outreach Program for Women, EFF documenting the spying and Open access in Norway</title>
+               <link>http://people.skolelinux.org/pere/blog/Good_causes__Debian_Outreach_Program_for_Women__EFF_documenting_the_spying_and_Open_access_in_Norway.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Good_causes__Debian_Outreach_Program_for_Women__EFF_documenting_the_spying_and_Open_access_in_Norway.html</guid>
+                <pubDate>Tue, 15 Oct 2013 21:30:00 +0200</pubDate>
+               <description>&lt;p&gt;The last few days I came across a few good causes that should get
+wider attention.  I recommend signing and donating to each one of
+these. :)&lt;/p&gt;
+
+&lt;p&gt;Via &lt;a href=&quot;http://www.debian.org/News/weekly/2013/18/&quot;&gt;Debian
+Project News for 2013-10-14&lt;/a&gt; I came across the Outreach Program for
+Women program which is a Google Summer of Code like initiative to get
+more women involved in free software.  One debian sponsor has offered
+to match &lt;a href=&quot;http://debian.ch/opw2013&quot;&gt;any donation done to Debian
+earmarked&lt;/a&gt; for this initiative.  I donated a few minutes ago, and
+hope you will to. :)&lt;/p&gt;
+
+&lt;p&gt;And the Electronic Frontier Foundation just announced plans to
+create &lt;a href=&quot;https://supporters.eff.org/donate/nsa-videos&quot;&gt;video
+documentaries about the excessive spying&lt;/a&gt; on every Internet user that
+take place these days, and their need to fund the work.  I&#39;ve already
+donated.  Are you next?&lt;/p&gt;
+
+&lt;p&gt;For my Norwegian audience, the organisation Studentenes og
+Akademikernes Internasjonale Hjelpefond is collecting signatures for a
+statement under the heading
+&lt;a href=&quot;http://saih.no/Bloggers_United/&quot;&gt;Bloggers United for Open
+Access&lt;/a&gt; for those of us asking for more focus on open access in the
+Norwegian government.  So far 499 signatures.  I hope you will sign it
+too.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>Debian Edu interview: Jonathan Carter</title>
-               <link>http://people.skolelinux.org/pere/blog/Debian_Edu_interview__Jonathan_Carter.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Debian_Edu_interview__Jonathan_Carter.html</guid>
-                <pubDate>Wed, 12 Jun 2013 09:50:00 +0200</pubDate>
-               <description>&lt;p&gt;There is a certain cross-over between the
-&lt;a href=&quot;http://www.skolelinux.org/&quot;&gt;Debian Edu / Skolelinux
-project&lt;/a&gt; and &lt;a href=&quot;http://www.edubuntu.org/&quot;&gt;the Edubuntu
-project&lt;/a&gt;, and for example the LTSP packages in Debian are a joint
-effort between the projects.  One person with a foot in both camps is
-Jonathan Carter, which I am now happy to present to you.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;Who are you, and how do you spend your days?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;I&#39;m a South-African free software geek who lives in Cape Town. My
-days vary quite a bit since I&#39;m involved in too many things. As I&#39;m
-getting older I&#39;m learning how to focus a bit more :)&lt;/p&gt;
-
-&lt;p&gt;I&#39;m also an Edubuntu contributor and I love when there are
-opportunities for the Edubuntu and Debian Edu projects to benefit from
-each other.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;How did you get in contact with the Skolelinux / Debian Edu
-project?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;I&#39;ve been somewhat familiar with the project before, but I think my
-first direct exposure to the project was when I met Petter
-[Reinholdtsen] and Knut [Yrvin] at the Edubuntu summit in 2005 in
-London. They provided great feedback that helped the bootstrapping of
-Edubuntu. Back then Edubuntu (and even Ubuntu) was still very new and
-it was great getting input from people who have been around longer. I
-was also still very excitable and said yes to everything and to this
-day I have a big todo list backlog that I&#39;m catching up with. I think
-over the years the relationship between Edubuntu and Debian-Edu has
-been gradually improving, although I think there&#39;s a lot that we could
-still improve on in terms of working together on packages. I&#39;m sure
-we&#39;ll get there one day.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;What do you see as the advantages of Skolelinux / Debian
-Edu?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;Debian itself already has so many advantages. I could go on about
-it for pages, but in essence I love that it&#39;s a very honest project
-that puts its users first with no hidden agendas and also produces
-very high quality work.&lt;/p&gt;
-
-&lt;p&gt;I think the advantage of Debian Edu is that it makes many common
-set-up tasks simpler so that administrators can get up and running
-with a lot less effort and frustration. At the same time I think it
-helps to standardise installations in schools so that it&#39;s easier for
-community members and commercial suppliers to support.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;What do you see as the disadvantages of Skolelinux / Debian
-Edu?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;I had to re-type this one a few times because I&#39;m trying to
-separate &quot;disadvantages&quot; from &quot;areas that need improvement&quot; (which is
-what I originally rambled on about)&lt;/p&gt;
-
-&lt;p&gt;The biggest disadvantage I can think of is lack of manpower. The
-project could do so much more if there were more good contributors. I
-think some of the problems are external too. Free software and free
-content in education is a no-brainer but it takes some time to catch
-on. When you&#39;ve been working with the same proprietary eco-system for
-years and have gotten used to it, it can be hard to adjust to some
-concepts in the free software world. It would be nice if there were
-more Debian Edu consultants across the world. I&#39;d love to be one
-myself but I&#39;m already so over-committed that it&#39;s just not possible
-currently.&lt;/p&gt;
-
-&lt;p&gt;I think the best short-term solution to that large-scale problem is
-for schools to be pro-active and share their experiences and grow
-their skills in-house. I&#39;m often saddened to see how much money
-educational institutions spend on 3rd party solutions that they don&#39;t
-have access to after the service has ended and they could&#39;ve gotten so
-much more value otherwise by being more self-sustainable and
-autonomous.&lt;/p&gt;
-
-&lt;p&gt;&lt;strong&gt;Which free software do you use daily?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;My main laptop dual-boots between Debian and Windows 7. I was
-Windows free for years but started dual-booting again last year for
-some games which help me focus and relax (Starcraft II in
-particular). Gaming support on Linux is improving in leaps and bounds
-so I suppose I&#39;ll soon be able to regain that disk space :)&lt;/p&gt;
-
-&lt;p&gt;Besides that I rely on Icedove, Chromium, Terminator, Byobu, irssi,
-git, Tomboy, KVM, VLC and LibreOffice. Recently I&#39;ve been torn on
-which desktop environment I like and I&#39;m taking some refuge in Xfce
-while I figure that out. I like tools that keep things simple. I enjoy
-Python and shell scripting. I went to an Arduino workshop recently and
-it was awesome seeing how easy and simple the IDE software was to get
-up and running in Debian compared to the users running Windows and OS
-X.&lt;/p&gt;
-
-&lt;p&gt;I also use mc which some people frown upon slightly. I got used to
-using Norton Commander in the early 90&#39;s and it stuck (I think the
-people who sneer at it is just jealous that they don&#39;t know how to use
-it :p)
-
-&lt;p&gt;&lt;strong&gt;Which strategy do you believe is the right one to use to
-get schools to use free software?&lt;/strong&gt;&lt;/p&gt;
-
-&lt;p&gt;I think trying to force it is unproductive. I also think that in
-many cases it&#39;s appropriate for schools to use non-free systems and I
-don&#39;t think that there&#39;s any particular moral or ethical problem with
-that.&lt;/p&gt;
-
-&lt;p&gt;I do think though that free software can already solve so so many
-problems in educational institutions and it&#39;s just a shame not taking
-advantage of that.&lt;/p&gt;
-
-&lt;p&gt;I also think that some curricula need serious review. For example,
-some areas of the world rely heavily on very specific versions of MS
-Office, teaching students to parrot menu items instead of learning the
-general concepts. I think that&#39;s very unproductive because firstly, MS
-Office&#39;s interface changes drastically every few years and on top of
-that it also locks in a generation to a product that might not be the
-best solution for them.&lt;/p&gt;
-
-&lt;p&gt;To answer your question, I believe that the right strategy is to
-educate and inform, giving someone the information they require to
-make a decision that would work for them.&lt;/p&gt;
+               <title>Oslo community mesh network - with NUUG and Hackeriet at Hausmania</title>
+               <link>http://people.skolelinux.org/pere/blog/Oslo_community_mesh_network___with_NUUG_and_Hackeriet_at_Hausmania.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Oslo_community_mesh_network___with_NUUG_and_Hackeriet_at_Hausmania.html</guid>
+                <pubDate>Fri, 11 Oct 2013 14:10:00 +0200</pubDate>
+               <description>&lt;p&gt;Wireless mesh networks are self organising and self healing
+networks that can be used to connect computers across small and large
+areas, depending on the radio technology used.  Normal wifi equipment
+can be used to create home made radio networks, and there are several
+successful examples like
+&lt;a href=&quot;http://www.freifunk.net/&quot;&gt;Freifunk&lt;/a&gt; and
+&lt;a href=&quot;http://www.awmn.net/&quot;&gt;Athens Wireless Metropolitan Network&lt;/a&gt;
+(see
+&lt;a href=&quot;http://en.wikipedia.org/wiki/List_of_wireless_community_networks_by_region#Greece&quot;&gt;wikipedia
+for a large list&lt;/a&gt;) around the globe.  To give you an idea how it
+work, check out the nice overview of the Kiel Freifunk community which
+can be seen from their
+&lt;a href=&quot;http://freifunk.in-kiel.de/ffmap/nodes.html&quot;&gt;dynamically
+updated node graph and map&lt;/a&gt;, where one can see how the mesh nodes
+automatically handle routing and recover from nodes disappearing.
+There is also a small community mesh network group in Oslo, Norway,
+and that is the main topic of this blog post.&lt;/p&gt;
+
+&lt;p&gt;I&#39;ve wanted to check out mesh networks for a while now, and hoped
+to do it as part of my involvement with the &lt;a
+href=&quot;http://www.nuug.no/&quot;&gt;NUUG member organisation&lt;/a&gt; community, and
+my recent involvement in
+&lt;a href=&quot;https://wiki.debian.org/FreedomBox&quot;&gt;the Freedombox project&lt;/a&gt;
+finally lead me to give mesh networks some priority, as I suspect a
+Freedombox should use mesh networks to connect neighbours and family
+when possible, given that most communication between people are
+between those nearby (as shown for example by research on Facebook
+communication patterns).  It also allow people to communicate without
+any central hub to tap into for those that want to listen in on the
+private communication of citizens, which have become more and more
+important over the years.&lt;/p&gt;
+
+&lt;p&gt;So far I have only been able to find one group of people in Oslo
+working on community mesh networks, over at the hack space
+&lt;a href=&quot;http://hackeriet.no/&quot;&gt;Hackeriet&lt;/a&gt; at Husmania.  They seem to
+have started with some Freifunk based effort using OLSR, called
+&lt;a href=&quot;http://oslo.freifunk.net/index.php?title=Main_Page&quot;&gt;the Oslo
+Freifunk project&lt;/a&gt;, but that effort is now dead and the people
+behind it have moved on to a batman-adv based system called
+&lt;a href=&quot;http://meshfx.org/trac&quot;&gt;meshfx&lt;/a&gt;.  Unfortunately the wiki
+site for the Oslo Freifunk project is no longer possible to update to
+reflect this fact, so the old project page can&#39;t be updated to point to
+the new project.  A while back, the people at Hackeriet invited people
+from the Freifunk community to Oslo to talk about mesh networks.  I
+came across this video where Hans Jørgen Lysglimt interview the
+speakers about this talk (from
+&lt;a href=&quot;https://www.youtube.com/watch?v=N2Kd7CLkhSY&quot;&gt;youtube&lt;/a&gt;):&lt;/p&gt;
+
+&lt;p&gt;&lt;iframe width=&quot;420&quot; height=&quot;315&quot; src=&quot;https://www.youtube.com/embed/N2Kd7CLkhSY&quot; frameborder=&quot;0&quot; allowfullscreen&gt;&lt;/iframe&gt;&lt;/p&gt;
+
+&lt;p&gt;I mentioned OLSR and batman-adv, which are mesh routing protocols.
+There are heaps of different protocols, and I am still struggling to
+figure out which one would be &quot;best&quot; for some definitions of best, but
+given that the community mesh group in Oslo is so small, I believe it
+is best to hook up with the existing one instead of trying to create a
+completely different setup, and thus I have decided to focus on
+batman-adv for now.  It sure help me to  know that the very cool
+&lt;a href=&quot;http://www.servalproject.org/&quot;&gt;Serval project in Australia&lt;/a&gt;
+is using batman-adv as their meshing technology when it create a self
+organizing and self healing telephony system for disaster areas and
+less industrialized communities.  Check out this cool video presenting
+that project (from
+&lt;a href=&quot;https://www.youtube.com/watch?v=30qNfzJCQOA&quot;&gt;youtube&lt;/a&gt;):&lt;/p&gt;
+
+&lt;p&gt;&lt;iframe width=&quot;560&quot; height=&quot;315&quot; src=&quot;https://www.youtube.com/embed/30qNfzJCQOA&quot; frameborder=&quot;0&quot; allowfullscreen&gt;&lt;/iframe&gt;&lt;/p&gt;
+
+&lt;p&gt;According to the wikipedia page on
+&lt;a href=&quot;http://en.wikipedia.org/wiki/Wireless_mesh_network&quot;&gt;Wireless
+mesh network&lt;/a&gt; there are around 70 competing schemes for routing
+packets across mesh networks, and OLSR, B.A.T.M.A.N. and
+B.A.T.M.A.N. advanced are protocols used by several free software
+based community mesh networks.&lt;/p&gt;
+
+&lt;p&gt;The batman-adv protocol is a bit special, as it provide layer 2
+(as in ethernet ) routing, allowing ipv4 and ipv6 to work on the same
+network.  One way to think about it is that it provide a mesh based
+vlan you can bridge to or handle like any other vlan connected to your
+computer.  The required drivers are already in the Linux kernel at
+least since Debian Wheezy, and it is fairly easy to set up.  A
+&lt;a href=&quot;http://www.open-mesh.org/projects/batman-adv/wiki/Quick-start-guide&quot;&gt;good
+introduction&lt;/a&gt; is available from the Open Mesh project.  These are
+the key settings needed to join the Oslo meshfx network:&lt;/p&gt;
+
+&lt;p&gt;&lt;table&gt;
+&lt;tr&gt;&lt;th&gt;Setting&lt;/th&gt;&lt;th&gt;Value&lt;/th&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;Protocol / kernel module&lt;/td&gt;&lt;td&gt;batman-adv&lt;/td&gt;&lt;/tr&gt;
+&lt;tr&gt;&lt;td&gt;ESSID&lt;/td&gt;&lt;td&gt;meshfx@hackeriet&lt;/td&gt;&lt;/tr&gt;
+&lt;td&gt;Channel / Frequency&lt;/td&gt;&lt;td&gt;11 / 2462&lt;/td&gt;&lt;/tr&gt;
+&lt;td&gt;Cell ID&lt;/td&gt;&lt;td&gt;02:BA:00:00:00:01&lt;/td&gt;
+&lt;/table&gt;&lt;/p&gt;
+
+&lt;p&gt;The reason for setting ad-hoc wifi Cell ID is to work around bugs
+in firmware used in wifi card and wifi drivers.  (See a nice post from
+VillageTelco about
+&quot;&lt;a href=&quot;http://tiebing.blogspot.no/2009/12/ad-hoc-cell-splitting-re-post-original.html&quot;&gt;Information
+about cell-id splitting, stuck beacons, and failed IBSS merges!&lt;/a&gt;
+for details.)  When these settings are activated and you have some
+other mesh node nearby, your computer will be connected to the mesh
+network and can communicate with any mesh node that is connected to
+any of the nodes in your network of nodes. :)&lt;/p&gt;
+
+&lt;p&gt;My initial plan was to reuse my old Linksys WRT54GL as a mesh node,
+but that seem to be very hard, as I have not been able to locate a
+firmware supporting batman-adv.  If anyone know how to use that old
+wifi access point with batman-adv these days, please let me know.&lt;/p&gt;
+
+&lt;p&gt;If you find this project interesting and want to join, please join
+us on IRC, either channel
+&lt;a href=&quot;irc://irc.freenode.net/#oslohackerspace&quot;&gt;#oslohackerspace&lt;/a&gt;
+or &lt;a href=&quot;irc://irc.freenode.net/#nuug&quot;&gt;#nuug&lt;/a&gt; on
+irc.freenode.net.&lt;/p&gt;
+
+&lt;p&gt;While investigating mesh networks in Oslo, I came across an old
+research paper from the university of Stavanger and Telenor Research
+and Innovation called
+&lt;a href=&quot;http://folk.uio.no/paalee/publications/netrel-egeland-iswcs-2008.pdf&quot;&gt;The
+reliability of wireless backhaul mesh networks&lt;/a&gt; and elsewhere
+learned that Telenor have been experimenting with mesh networks at
+Grünerløkka in Oslo.  So mesh networks are also interesting for
+commercial companies, even though Telenor discovered that it was hard
+to figure out a good business plan for mesh networking and as far as I
+know have closed down the experiment.  Perhaps Telenor or others would
+be interested in a cooperation?&lt;/p&gt;
+
+&lt;p&gt;&lt;strong&gt;Update 2013-10-12&lt;/strong&gt;: I was just
+&lt;a href=&quot;http://lists.alioth.debian.org/pipermail/freedombox-discuss/2013-October/005900.html&quot;&gt;told
+by the Serval project developers&lt;/a&gt; that they no longer use
+batman-adv (but are compatible with it), but their own crypto based
+mesh system.&lt;/p&gt;

 </description>
        </item>
        
        <item>
 </description>
        </item>
        
        <item>

-               <title>Fixing the Linux black screen of death on machines with Intel HD video</title>
-               <link>http://people.skolelinux.org/pere/blog/Fixing_the_Linux_black_screen_of_death_on_machines_with_Intel_HD_video.html</link>
-               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Fixing_the_Linux_black_screen_of_death_on_machines_with_Intel_HD_video.html</guid>
-                <pubDate>Tue, 11 Jun 2013 11:00:00 +0200</pubDate>
-               <description>&lt;p&gt;When installing RedHat, Fedora, Debian and Ubuntu on some machines,
-the screen just turn black when Linux boot, either during installation
-or on first boot from the hard disk.  I&#39;ve seen it once in a while the
-last few years, but only recently understood the cause.  I&#39;ve seen it
-on HP laptops, and on my latest acquaintance the Packard Bell laptop.
-The reason seem to be in the wiring of some laptops.  The system to
-control the screen background light is inverted, so when Linux try to
-turn the brightness fully on, it end up turning it off instead.  I do
-not know which Linux drivers are affected, but this post is about the
-i915 driver used by the
-&lt;a href=&quot;http://www.linlap.com/packard_bell_easynote_lv&quot;&gt;Packard Bell
-EasyNote LV&lt;/a&gt;, Thinkpad X40 and many other laptops.&lt;/p&gt;
-
-&lt;p&gt;The problem can be worked around two ways.  Either by adding
-i915.invert_brightness=1 as a kernel option, or by adding a file in
-/etc/modprobe.d/ to tell modprobe to add the invert_brightness=1
-option when it load the i915 kernel module.  On Debian and Ubuntu, it
-can be done by running these commands as root:&lt;/p&gt;
-
-&lt;pre&gt;
-echo options i915 invert_brightness=1 | tee /etc/modprobe.d/i915.conf
-update-initramfs -u -k all
-&lt;/pre&gt;
-
-&lt;p&gt;Since March 2012 there is
-&lt;a href=&quot;http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955&quot;&gt;a
-mechanism in the Linux kernel&lt;/a&gt; to tell the i915 driver which
-hardware have this problem, and get the driver to invert the
-brightness setting automatically.  To use it, one need to add a row in
-&lt;a href=&quot;http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/i915/intel_display.c&quot;&gt;the
-intel_quirks array&lt;/a&gt; in the driver source
-&lt;tt&gt;drivers/gpu/drm/i915/intel_display.c&lt;/tt&gt; (look for &quot;&lt;tt&gt;static
-struct intel_quirk intel_quirks&lt;/tt&gt;&quot;), specifying the PCI device
-number (vendor number 8086 is assumed) and subdevice vendor and device
-number.&lt;/p&gt;
-
-&lt;p&gt;My Packard Bell EasyNote LV got this output from &lt;tt&gt;lspci
--vvnn&lt;/tt&gt; for the video card in question:&lt;/p&gt;
-
-&lt;p&gt;&lt;pre&gt;
-00:02.0 VGA compatible controller [0300]: Intel Corporation \
-    3rd Gen Core processor Graphics Controller [8086:0156] \
-    (rev 09) (prog-if 00 [VGA controller])
- Subsystem: Acer Incorporated [ALI] Device [1025:0688]
- Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- \
-    ParErr- Stepping- SE RR- FastB2B- DisINTx+
- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast &gt;TAbort- \
-    &lt;TAbort- &lt;MAbort-&gt;SERR- &lt;PERR- INTx-
- Latency: 0
- Interrupt: pin A routed to IRQ 42
- Region 0: Memory at c2000000 (64-bit, non-prefetchable) [size=4M]
- Region 2: Memory at b0000000 (64-bit, prefetchable) [size=256M]
- Region 4: I/O ports at 4000 [size=64]
- Expansion ROM at &lt;unassigned&gt; [disabled]
- Capabilities: &lt;access denied&gt;
- Kernel driver in use: i915
-&lt;/pre&gt;&lt;/p&gt;
-
-&lt;p&gt;The resulting intel_quirks entry would then look like this:&lt;/p&gt;
-
-&lt;p&gt;&lt;pre&gt;
-struct intel_quirk intel_quirks[] = {
-       ...
-        /* Packard Bell EasyNote LV11HC needs invert brightness quirk */
-       { 0x0156, 0x1025, 0x0688, quirk_invert_brightness },
-       ...
-}
-&lt;/pre&gt;&lt;/p&gt;
-
-&lt;p&gt;According to the kernel module instructions (as seen using
-&lt;tt&gt;modinfo i915&lt;/tt&gt;), information about hardware needing the
-invert_brightness flag should be sent to the
-&lt;a href=&quot;http://lists.freedesktop.org/mailman/listinfo/dri-devel&quot;&gt;dri-devel
-(at) lists.freedesktop.org&lt;/a&gt; mailing list to reach the kernel
-developers.  But my email about the laptop sent 2013-06-03 have not
-yet shown up in
-&lt;a href=&quot;http://lists.freedesktop.org/archives/dri-devel/2013-June/thread.html&quot;&gt;the
-web archive for the mailing list&lt;/a&gt;, so I suspect they do not accept
-emails from non-subscribers.  Because of this, I sent my patch also to
-the Debian bug tracking system instead as
-&lt;a href=&quot;http://bugs.debian.org/710938&quot;&gt;BTS report #710938&lt;/a&gt;, to make
-sure the patch is not lost.&lt;/p&gt;
-
-&lt;p&gt;Unfortunately, it is not enough to fix the kernel to get Laptops
-with this problem working properly with Linux.  If you use Gnome, your
-worries should be over at this point.  But if you use KDE, there is
-something in KDE ignoring the invert_brightness setting and turning on
-the screen during login.  I&#39;ve reported it to Debian as
-&lt;a href=&quot;http://bugs.debian.org/711237&quot;&gt;BTS report #711237&lt;/a&gt;, and
-have no idea yet how to figure out exactly what subsystem is doing
-this.  Perhaps you can help?  Perhaps you know what the Gnome
-developers did to handle this, and this can give a clue to the KDE
-developers?  Or you know where in KDE the screen brightness is changed
-during login?  If so, please update the BTS report (or get in touch if
-you do not know how to update BTS).&lt;/p&gt;
+               <title>Skolelinux / Debian Edu 7.1 install and overview video from Marcelo Salvador</title>
+               <link>http://people.skolelinux.org/pere/blog/Skolelinux___Debian_Edu_7_1_install_and_overview_video_from_Marcelo_Salvador.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Skolelinux___Debian_Edu_7_1_install_and_overview_video_from_Marcelo_Salvador.html</guid>
+                <pubDate>Tue, 8 Oct 2013 17:10:00 +0200</pubDate>
+               <description>&lt;p&gt;The other day I was pleased and surprised to discover that Marcelo
+Salvador had published a
+&lt;a href=&quot;https://www.youtube.com/watch?v=w-GgpdqgLFc&quot;&gt;video on
+Youtube&lt;/a&gt; showing how to install the standalone Debian Edu /
+Skolelinux profile.  This is the profile intended for use at home or
+on laptops that should not be integrated into the provided network
+services (no central home directory, no Kerberos / LDAP directory etc,
+in other word a single user machine).  The result is 11 minutes long,
+and show some user applications (seem to be rather randomly picked).
+Missed a few of my favorites like celestia, planets and chromium
+showing the &lt;a href=&quot;http://www.zygotebody.com/&quot;&gt;Zygote Body 3D model
+of the human body&lt;/a&gt;, but I guess he did not know about those or find
+other programs more interesting. :) And the video do not show the
+advantages I believe is one of the most valuable featuers in Debian
+Edu, its central school server making it possible to run hundreds of
+computers without hard drives by installing one central
+&lt;a href=&quot;http://www.ltsp.org/&quot;&gt;LTSP server&lt;/a&gt;.&lt;/p&gt;
+
+&lt;p&gt;Anyway, check out the video, embedded below and linked to above:&lt;/p&gt;
+
+&lt;iframe width=&quot;420&quot; height=&quot;315&quot; src=&quot;http://www.youtube.com/embed/w-GgpdqgLFc&quot; frameborder=&quot;0&quot; allowfullscreen&gt;&lt;/iframe&gt;
+
+&lt;p&gt;Are there other nice videos demonstrating Skolelinux?  Please let
+me know. :)&lt;/p&gt;
+</description>
+       </item>
+       
+       <item>
+               <title>Finally, Debian Edu Wheezy is released today!</title>
+               <link>http://people.skolelinux.org/pere/blog/Finally__Debian_Edu_Wheezy_is_released_today_.html</link>
+               <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Finally__Debian_Edu_Wheezy_is_released_today_.html</guid>
+                <pubDate>Sun, 29 Sep 2013 10:20:00 +0200</pubDate>
+               <description>&lt;p&gt;A few hours ago, the announcement for the first stable release of
+Debian Edu Wheezy went out from the Debian publicity team.  The
+complete announcement text can be found at
+&lt;a href=&quot;http://www.debian.org/News/2013/20130928&quot;&gt;the Debian News
+section&lt;/a&gt;, translated to several languages.  Please check it out.&lt;/p&gt;
+
+&lt;p&gt;There is one minor known problem that we will fix very soon.  One
+can not install a amd64 Thin Client Server using PXE, as the /var/
+partition is too small.  A workaround is to extend the partition (use
+lvresize + resize2fs in tty 2 while installing).&lt;/p&gt;

 </description>
        </item>
        
 </description>
        </item>