<atom:link href="http://people.skolelinux.org/pere/blog/index.rss" rel="self" type="application/rss+xml" />
<item>
- <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><p><a href="http://www.spice-space.org/">The SPICE protocol</a> for
-remote display access is the preferred solution with oVirt and RedHat
-Enterprise Visualization, and I was sad to discover the other day
-that the browser plugin needed to use these systems seamlessly was
-missing in Debian. The <a href="http://bugs.debian.org/668284">request
-for a package</a> 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.</p>
-
-<p>The source is now available from
-<a href="http://anonscm.debian.org/gitweb/?p=collab-maint/spice-xpi.git;a=summary">http://anonscm.debian.org/gitweb/?p=collab-maint/spice-xpi.git;a=summary</a>.</p>
-</description>
- </item>
-
- <item>
- <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><p>The
-<a href="http://packages.qa.debian.org/v/vmdebootstrap.html">vmdebootstrap</a>
-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
-<a href="https://wiki.debian.org/RaspberryPi">Raspberry Pi</a>, as part
-of a plan to simplify the build system for
-<a href="https://wiki.debian.org/FreedomBox">the FreedomBox
-project</a>. 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.</p>
-
-<p>Armed with the knowledge on how to build "foreign" (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
-<a href="http://people.skolelinux.org/pere/blog/A_Raspberry_Pi_based_batman_adv_Mesh_network_node.html">Debian
-Jessie based mesh node images for the Raspberry Pi</a>. First, the
-<tt>--foreign /path/to/binfm_handler</tt> 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 <tt>--bootsize size</tt> and <tt>--boottype
-fstype</tt> 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 <tt>--variant
-variant</tt> option to allow me to create smaller images without the
-Debian base system packages installed. Finally, I added an option
-<tt>--no-extlinux</tt> 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
-<a href="http://git.liw.fi/cgi-bin/cgit/cgit.cgi/vmdebootstrap/">the
-upstream project page</a>.</p>
-
-<p>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:</p>
-
-<p><pre>
-#!/bin/sh
-set -e # Exit on first error
-rootdir="$1"
-cd "$rootdir"
-cat &lt;&lt;EOF > 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
-</pre></p>
-
-<p>Next, fetch the latest vmdebootstrap script and call it like this
-to build the image:</p>
+ <title>Språkkoder for POSIX locale i Norge</title>
+ <link>http://people.skolelinux.org/pere/blog/Spr_kkoder_for_POSIX_locale_i_Norge.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Spr_kkoder_for_POSIX_locale_i_Norge.html</guid>
+ <pubDate>Fri, 11 Apr 2014 21:30:00 +0200</pubDate>
+ <description><p>For 12 år siden, skrev jeg et lite notat om
+<a href="http://i18n.skolelinux.no/localekoder.txt">bruk av språkkoder
+i Norge</a>. Jeg ble nettopp minnet på dette da jeg fikk spørsmål om
+notatet fortsatt var aktuelt, og tenkte det var greit å repetere hva
+som fortsatt gjelder. Det jeg skrev da er fortsatt like aktuelt.</p>
+
+<p>Når en velger språk i programmer på unix, så velger en blant mange
+språkkoder. For språk i Norge anbefales følgende språkkoder (anbefalt
+locale i parantes):</p>
+
+<p><dl>
+<dt>nb (nb_NO)</dt><dd>Bokmål i Norge</dd>
+<dt>nn (nn_NO)</dt><dd>Nynorsk i Norge</dd>
+<dt>se (se_NO)</dt><dd>Nordsamisk i Norge</dd>
+</dl></p>
+
+<p>Alle programmer som bruker andre koder bør endres.</p>
+
+<p>Språkkoden bør brukes når .po-filer navngis og installeres. Dette
+er ikke det samme som locale-koden. For Norsk Bokmål, så bør filene
+være navngitt nb.po, mens locale (LANG) bør være nb_NO.</p>
+
+<p>Hvis vi ikke får standardisert de kodene i alle programmene med
+norske oversettelser, så er det umulig å gi LANG-variablen ett innhold
+som fungerer for alle programmer.</p>
+
+<p>Språkkodene er de offisielle kodene fra ISO 639, og bruken av dem i
+forbindelse med POSIX localer er standardisert i RFC 3066 og ISO
+15897. Denne anbefalingen er i tråd med de angitte standardene.</p>
+
+<p>Følgende koder er eller har vært i bruk som locale-verdier for
+"norske" språk. Disse bør unngås, og erstattes når de oppdages:</p>
-<pre>
-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
-</pre></p>
-
-<p>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.</p>
-
-<p>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.</p>
-
-<p>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 <a href="http://www.raspbian.org/">Raspbian</a> based images.</p>
+<p><table>
+<tr><td>norwegian</td><td>-> nb_NO</td></tr>
+<tr><td>bokmål </td><td>-> nb_NO</td></tr>
+<tr><td>bokmal </td><td>-> nb_NO</td></tr>
+<tr><td>nynorsk </td><td>-> nn_NO</td></tr>
+<tr><td>no </td><td>-> nb_NO</td></tr>
+<tr><td>no_NO </td><td>-> nb_NO</td></tr>
+<tr><td>no_NY </td><td>-> nn_NO</td></tr>
+<tr><td>sme_NO </td><td>-> se_NO</td></tr>
+</table></p>
+
+<p>Merk at når det gjelder de samiske språkene, at se_NO i praksis
+henviser til nordsamisk i Norge, mens f.eks. smj_NO henviser til
+lulesamisk. Dette notatet er dog ikke ment å gi råd rundt samiske
+språkkoder, der gjør
+<a href="http://www.divvun.no/">Divvun-prosjektet</a> en bedre
+jobb.</p>
+
+<p><strong>Referanser:</strong></p>
+
+<ul>
+
+ <li><a href="http://www.rfc-base.org/rfc-3066.html">RFC 3066 - Tags
+ for the Identification of Languages</a> (Erstatter RFC 1766)</li>
+
+ <li><a href="http://www.loc.gov/standards/iso639-2/langcodes.html">ISO
+ 639</a> - Codes for the Representation of Names of Languages</li>
+
+ <li><a href="http://std.dkuug.dk/jtc1/sc22/wg20/docs/n897-14652w25.pdf">ISO
+ DTR 14652</a> - locale-standard Specification method for cultural
+ conventions</li>
+
+ <li><a href="http://std.dkuug.dk/jtc1/sc22/wg20/docs/n610.pdf">ISO
+ 15897: Registration procedures for cultural elements (cultural
+ registry)</a>,
+ <a href="http://std.dkuug.dk/jtc1/sc22/wg20/docs/n849-15897wd6.pdf">(nytt
+ draft)</a></li>
+
+ <li><a href="http://std.dkuug.dk/jtc1/sc22/wg20/">ISO/IEC
+ JTC1/SC22/WG20</a> - Gruppen for i18n-standardisering i ISO</li>
+
+<ul>
</description>
</item>
<item>
- <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><p>De siste måneders eksponering av
-<a href="http://www.aftenposten.no/nyheter/uriks/Her-er-Edvard-Snowdens-mest-omtalte-avsloringer-7351734.html">den
-totale overvåkningen som foregår i den vestlige verden dokumenterer
-hvor sårbare vi er</a>. 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.</p>
-
-<p>For å ta et lite eksempel: Stortingets nettsted,
-<a href="http://www.stortinget.no/">www.stortinget.no</a> (og
-forsåvidt også
-<a href="http://data.stortinget.no/">data.stortinget.no</a>),
-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
-<a href="http://en.wikipedia.org/wiki/Google_Analytics">Google
-Analytics</a>, 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.</p>
-
-<p>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.</p>
+ <title>S3QL, a locally mounted cloud file system - nice free software</title>
+ <link>http://people.skolelinux.org/pere/blog/S3QL__a_locally_mounted_cloud_file_system___nice_free_software.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/S3QL__a_locally_mounted_cloud_file_system___nice_free_software.html</guid>
+ <pubDate>Wed, 9 Apr 2014 11:30:00 +0200</pubDate>
+ <description><p>For a while now, I have been looking for a sensible offsite backup
+solution for use at home. My requirements are simple, it must be
+cheap and locally encrypted (in other words, I keep the encryption
+keys, the storage provider do not have access to my private files).
+One idea me and my friends had many years ago, before the cloud
+storage providers showed up, was to use Google mail as storage,
+writing a Linux block device storing blocks as emails in the mail
+service provided by Google, and thus get heaps of free space. On top
+of this one can add encryption, RAID and volume management to have
+lots of (fairly slow, I admit that) cheap and encrypted storage. But
+I never found time to implement such system. But the last few weeks I
+have looked at a system called
+<a href="https://bitbucket.org/nikratio/s3ql/">S3QL</a>, a locally
+mounted network backed file system with the features I need.</p>
+
+<p>S3QL is a fuse file system with a local cache and cloud storage,
+handling several different storage providers, any with Amazon S3,
+Google Drive or OpenStack API. There are heaps of such storage
+providers. S3QL can also use a local directory as storage, which
+combined with sshfs allow for file storage on any ssh server. S3QL
+include support for encryption, compression, de-duplication, snapshots
+and immutable file systems, allowing me to mount the remote storage as
+a local mount point, look at and use the files as if they were local,
+while the content is stored in the cloud as well. This allow me to
+have a backup that should survive fire. The file system can not be
+shared between several machines at the same time, as only one can
+mount it at the time, but any machine with the encryption key and
+access to the storage service can mount it if it is unmounted.</p>
+
+<p>It is simple to use. I'm using it on Debian Wheezy, where the
+package is included already. So to get started, run <tt>apt-get
+install s3ql</tt>. Next, pick a storage provider. I ended up picking
+Greenqloud, after reading their nice recipe on
+<a href="https://greenqloud.zendesk.com/entries/44611757-How-To-Use-S3QL-to-mount-a-StorageQloud-bucket-on-Debian-Wheezy">how
+to use S3QL with their Amazon S3 service</a>, because I trust the laws
+in Iceland more than those in USA when it come to keeping my personal
+data safe and private, and thus would rather spend money on a company
+in Iceland. Another nice recipe is available from the article
+<a href="http://www.admin-magazine.com/HPC/Articles/HPC-Cloud-Storage">S3QL
+Filesystem for HPC Storage</a> by Jeff Layton in the HPC section of
+Admin magazine. When the provider is picked, figure out how to get
+the API key needed to connect to the storage API. With Greencloud,
+the key did not show up until I had added payment details to my
+account.</p>
+
+<p>Armed with the API access details, it is time to create the file
+system. First, create a new bucket in the cloud. This bucket is the
+file system storage area. I picked a bucket name reflecting the
+machine that was going to store data there, but any name will do.
+I'll refer to it as <tt>bucket-name</tt> below. In addition, one need
+the API login and password, and a locally created password. Store it
+all in ~root/.s3ql/authinfo2 like this:
+
+<p><blockquote><pre>
+[s3c]
+storage-url: s3c://s.greenqloud.com:443/bucket-name
+backend-login: API-login
+backend-password: API-password
+fs-passphrase: local-password
+</pre></blockquote></p>
+
+<p>I create my local passphrase using <tt>pwget 50</tt> or similar,
+but any sensible way to create a fairly random password should do it.
+Armed with these details, it is now time to run mkfs, entering the API
+details and password to create it:</p>
+
+<p><blockquote><pre>
+# mkdir -m 700 /var/lib/s3ql-cache
+# mkfs.s3ql --cachedir /var/lib/s3ql-cache --authfile /root/.s3ql/authinfo2 \
+ --ssl s3c://s.greenqloud.com:443/bucket-name
+Enter backend login:
+Enter backend password:
+Before using S3QL, make sure to read the user's guide, especially
+the 'Important Rules to Avoid Loosing Data' section.
+Enter encryption password:
+Confirm encryption password:
+Generating random encryption key...
+Creating metadata tables...
+Dumping metadata...
+..objects..
+..blocks..
+..inodes..
+..inode_blocks..
+..symlink_targets..
+..names..
+..contents..
+..ext_attributes..
+Compressing and uploading metadata...
+Wrote 0.00 MB of compressed metadata.
+# </pre></blockquote></p>
+
+<p>The next step is mounting the file system to make the storage available.
+
+<p><blockquote><pre>
+# mount.s3ql --cachedir /var/lib/s3ql-cache --authfile /root/.s3ql/authinfo2 \
+ --ssl --allow-root s3c://s.greenqloud.com:443/bucket-name /s3ql
+Using 4 upload threads.
+Downloading and decompressing metadata...
+Reading metadata...
+..objects..
+..blocks..
+..inodes..
+..inode_blocks..
+..symlink_targets..
+..names..
+..contents..
+..ext_attributes..
+Mounting filesystem...
+# df -h /s3ql
+Filesystem Size Used Avail Use% Mounted on
+s3c://s.greenqloud.com:443/bucket-name 1.0T 0 1.0T 0% /s3ql
+#
+</pre></blockquote></p>
+
+<p>The file system is now ready for use. I use rsync to store my
+backups in it, and as the metadata used by rsync is downloaded at
+mount time, no network traffic (and storage cost) is triggered by
+running rsync. To unmount, one should not use the normal umount
+command, as this will not flush the cache to the cloud storage, but
+instead running the umount.s3ql command like this:
+
+<p><blockquote><pre>
+# umount.s3ql /s3ql
+#
+</pre></blockquote></p>
+
+<p>There is a fsck command available to check the file system and
+correct any problems detected. This can be used if the local server
+crashes while the file system is mounted, to reset the "already
+mounted" flag. This is what it look like when processing a working
+file system:</p>
+
+<p><blockquote><pre>
+# fsck.s3ql --force --ssl s3c://s.greenqloud.com:443/bucket-name
+Using cached metadata.
+File system seems clean, checking anyway.
+Checking DB integrity...
+Creating temporary extra indices...
+Checking lost+found...
+Checking cached objects...
+Checking names (refcounts)...
+Checking contents (names)...
+Checking contents (inodes)...
+Checking contents (parent inodes)...
+Checking objects (reference counts)...
+Checking objects (backend)...
+..processed 5000 objects so far..
+..processed 10000 objects so far..
+..processed 15000 objects so far..
+Checking objects (sizes)...
+Checking blocks (referenced objects)...
+Checking blocks (refcounts)...
+Checking inode-block mapping (blocks)...
+Checking inode-block mapping (inodes)...
+Checking inodes (refcounts)...
+Checking inodes (sizes)...
+Checking extended attributes (names)...
+Checking extended attributes (inodes)...
+Checking symlinks (inodes)...
+Checking directory reachability...
+Checking unix conventions...
+Checking referential integrity...
+Dropping temporary indices...
+Backing up old metadata...
+Dumping metadata...
+..objects..
+..blocks..
+..inodes..
+..inode_blocks..
+..symlink_targets..
+..names..
+..contents..
+..ext_attributes..
+Compressing and uploading metadata...
+Wrote 0.89 MB of compressed metadata.
+#
+</pre></blockquote></p>
+
+<p>Thanks to the cache, working on files that fit in the cache is very
+quick, about the same speed as local file access. Uploading large
+amount of data is to me limited by the bandwidth out of and into my
+house. Uploading 685 MiB with a 100 MiB cache gave me 305 kiB/s,
+which is very close to my upload speed, and downloading the same
+Debian installation ISO gave me 610 kiB/s, close to my download speed.
+Both were measured using <tt>dd</tt>. So for me, the bottleneck is my
+network, not the file system code. I do not know what a good cache
+size would be, but suspect that the cache should e larger than your
+working set.</p>
+
+<p>I mentioned that only one machine can mount the file system at the
+time. If another machine try, it is told that the file system is
+busy:</p>
+
+<p><blockquote><pre>
+# mount.s3ql --cachedir /var/lib/s3ql-cache --authfile /root/.s3ql/authinfo2 \
+ --ssl --allow-root s3c://s.greenqloud.com:443/bucket-name /s3ql
+Using 8 upload threads.
+Backend reports that fs is still mounted elsewhere, aborting.
+#
+</pre></blockquote></p>
+
+<p>The file content is uploaded when the cache is full, while the
+metadata is uploaded once every 24 hour by default. To ensure the
+file system content is flushed to the cloud, one can either umount the
+file system, or ask S3QL to flush the cache and metadata using
+s3qlctrl:
+
+<p><blockquote><pre>
+# s3qlctrl upload-meta /s3ql
+# s3qlctrl flushcache /s3ql
+#
+</pre></blockquote></p>
+
+<p>If you are curious about how much space your data uses in the
+cloud, and how much compression and deduplication cut down on the
+storage usage, you can use s3qlstat on the mounted file system to get
+a report:</p>
+
+<p><blockquote><pre>
+# s3qlstat /s3ql
+Directory entries: 9141
+Inodes: 9143
+Data blocks: 8851
+Total data size: 22049.38 MB
+After de-duplication: 21955.46 MB (99.57% of total)
+After compression: 21877.28 MB (99.22% of total, 99.64% of de-duplicated)
+Database size: 2.39 MB (uncompressed)
+(some values do not take into account not-yet-uploaded dirty blocks in cache)
+#
+</pre></blockquote></p>
+
+<p>I mentioned earlier that there are several possible suppliers of
+storage. I did not try to locate them all, but am aware of at least
+<a href="https://www.greenqloud.com/">Greenqloud</a>,
+<a href="http://drive.google.com/">Google Drive</a>,
+<a href="http://aws.amazon.com/s3/">Amazon S3 web serivces</a>,
+<a href="http://www.rackspace.com/">Rackspace</a> and
+<a href="http://crowncloud.net/">Crowncloud</A>. The latter even
+accept payment in Bitcoin. Pick one that suit your need. Some of
+them provide several GiB of free storage, but the prize models are
+quite different and you will have to figure out what suits you
+best.</p>
+
+<p>While researching this blog post, I had a look at research papers
+and posters discussing the S3QL file system. There are several, which
+told me that the file system is getting a critical check by the
+science community and increased my confidence in using it. One nice
+poster is titled
+"<a href="http://www.lanl.gov/orgs/adtsc/publications/science_highlights_2013/docs/pg68_69.pdf">An
+Innovative Parallel Cloud Storage System using OpenStack’s SwiftObject
+Store and Transformative Parallel I/O Approach</a>" by Hsing-Bung
+Chen, Benjamin McClelland, David Sherrill, Alfred Torrez, Parks Fields
+and Pamela Smith. Please have a look.</p>
+
+<p>Given my problems with different file systems earlier, I decided to
+check out the mounted S3QL file system to see if it would be usable as
+a home directory (in other word, that it provided POSIX semantics when
+it come to locking and umask handling etc). Running
+<a href="http://people.skolelinux.org/pere/blog/Testing_if_a_file_system_can_be_used_for_home_directories___.html">my
+test code to check file system semantics</a>, I was happy to discover that
+no error was found. So the file system can be used for home
+directories, if one chooses to do so.</p>
+
+<p>If you do not want a locally file system, and want something that
+work without the Linux fuse file system, I would like to mention the
+<a href="http://www.tarsnap.com/">Tarsnap service</a>, which also
+provide locally encrypted backup using a command line client. It have
+a nicer access control system, where one can split out read and write
+access, allowing some systems to write to the backup and others to
+only read from it.</p>
+
+<p>As usual, if you use Bitcoin and want to show your support of my
+activities, please send Bitcoin donations to my address
+<b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b&label=PetterReinholdtsenBlog">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
</description>
</item>
<item>
- <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><p>The last few days I have been experimenting with
-<a href="http://www.open-mesh.org/projects/batman-adv/wiki">the
-batman-adv mesh technology</a>. I want to gain some experience to see
-if it will fit <a href="https://wiki.debian.org/FreedomBox">the
-Freedombox project</a>, 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 ("ethernet" in other words), where the mesh network appear
-as if all the mesh clients are connected to the same switch.</p>
-
-<p>My hardware of choice was the Linksys WRT54GL routers I had lying
-around, but I've been unable to get them working with batman-adv. So
-instead, I started playing with a
-<a href="http://www.raspberrypi.org/">Raspberry Pi</a>, 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 <a href="http://servalproject.org/">the Serval
-Project</a> 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.</p>
-
-<p>To get this working, I've created a debian package
-<a href="https://github.com/petterreinholdtsen/meshfx-node">meshfx-node</a>
-and a script
-<a href="https://github.com/petterreinholdtsen/meshfx-node/blob/master/build-rpi-mesh-node">build-rpi-mesh-node</a>
-to create the Raspberry Pi boot image. I'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'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't affected by the lack of hardware FPU
-support.</p>
-
-<p>To create an image, run the following with a sudo enabled user
-after inserting the target SD card into the build machine:</p>
-
-<p><pre>
-% 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 > build.log 2>&1
-% dd if=/root/rpi/rpi_basic_jessie_$(date +%Y%m%d).img of=/dev/mmcblk0 bs=1M
-%
-</pre></p>
-
-<p>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
-<a href="http://people.skolelinux.org/pere/blog/Oslo_community_mesh_network___with_NUUG_and_Hackeriet_at_Hausmania.html">an
-earlier blog post about this mesh testing</a>.</p>
-
-<p>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:</p>
+ <title>EU-domstolen bekreftet i dag at datalagringsdirektivet er ulovlig</title>
+ <link>http://people.skolelinux.org/pere/blog/EU_domstolen_bekreftet_i_dag_at_datalagringsdirektivet_er_ulovlig.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/EU_domstolen_bekreftet_i_dag_at_datalagringsdirektivet_er_ulovlig.html</guid>
+ <pubDate>Tue, 8 Apr 2014 11:30:00 +0200</pubDate>
+ <description><p>I dag kom endelig avgjørelsen fra EU-domstolen om
+datalagringsdirektivet, som ikke overraskende ble dømt ulovlig og i
+strid med borgernes grunnleggende rettigheter. Hvis du lurer på hva
+datalagringsdirektivet er for noe, så er det
+<a href="http://tv.nrk.no/program/koid75005313/tema-dine-digitale-spor-datalagringsdirektivet">en
+flott dokumentar tilgjengelig hos NRK</a> som jeg tidligere
+<a href="http://people.skolelinux.org/pere/blog/Dokumentaren_om_Datalagringsdirektivet_sendes_endelig_p__NRK.html">har
+anbefalt</a> alle å se.</p>
-<p><table>
+<p>Her er et liten knippe nyhetsoppslag om saken, og jeg regner med at
+det kommer flere ut over dagen. Flere kan finnes
+<a href="http://www.mylder.no/?drill=datalagringsdirektivet&intern=1">via
+mylder</a>.</p>
-<tr><th>Supplier</th><th>Model</th><th>NOK</th></tr>
-<tr><td>Teknikkmagasinet</td><td>Raspberry Pi model B</td><td>349.90</td></tr>
-<tr><td>Teknikkmagasinet</td><td>Raspberry Pi type B case</td><td>99.90</td></tr>
-<tr><td>Lefdal</td><td>Jensen Air:Link 25150</td><td>295.-</td></tr>
-<tr><td>Clas Ohlson</td><td>Kingston 16 GB SD card</td><td>199.-</td></tr>
-<tr><td>Total cost</td><td></td><td>943.80</td></tr>
+<p><ul>
-</table></p>
+<li><a href="http://e24.no/digital/eu-domstolen-datalagringsdirektivet-er-ugyldig/22879592">EU-domstolen:
+Datalagringsdirektivet er ugyldig</a> - e24.no 2014-04-08
+
+<li><a href="http://www.aftenposten.no/nyheter/iriks/EU-domstolen-Datalagringsdirektivet-er-ulovlig-7529032.html">EU-domstolen:
+Datalagringsdirektivet er ulovlig</a> - aftenposten.no 2014-04-08
+
+<li><a href="http://www.aftenposten.no/nyheter/iriks/politikk/Krever-DLD-stopp-i-Norge-7530086.html">Krever
+DLD-stopp i Norge</a> - aftenposten.no 2014-04-08
+
+<li><a href="http://www.p4.no/story.aspx?id=566431">Apenes: - En
+gledens dag</a> - p4.no 2014-04-08
+
+<li><a href="http://www.nrk.no/norge/_-datalagringsdirektivet-er-ugyldig-1.11655929">EU-domstolen:
+– Datalagringsdirektivet er ugyldig</a> - nrk.no 2014-04-08</li>
+
+<li><a href="http://www.vg.no/nyheter/utenriks/data-og-nett/eu-domstolen-datalagringsdirektivet-er-ugyldig/a/10130280/">EU-domstolen:
+Datalagringsdirektivet er ugyldig</a> - vg.no 2014-04-08</li>
+
+<li><a href="http://www.dagbladet.no/2014/04/08/nyheter/innenriks/datalagringsdirektivet/personvern/32711646/">-
+Vi bør skrote hele datalagringsdirektivet</a> - dagbladet.no
+2014-04-08</li>
+
+<li><a href="http://www.digi.no/928137/eu-domstolen-dld-er-ugyldig">EU-domstolen:
+DLD er ugyldig</a> - digi.no 2014-04-08</li>
+
+<li><a href="http://www.irishtimes.com/business/sectors/technology/european-court-declares-data-retention-directive-invalid-1.1754150">European
+court declares data retention directive invalid</a> - irishtimes.com
+2014-04-08</li>
+
+<li><a href="http://www.reuters.com/article/2014/04/08/us-eu-data-ruling-idUSBREA370F020140408?feedType=RSS">EU
+court rules against requirement to keep data of telecom users</a> -
+reuters.com 2014-04-08</li>
-<p>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. :)</p>
+</ul>
+</p>
+
+<p>Jeg synes det er veldig fint at nok en stemme slår fast at
+totalitær overvåkning av befolkningen er uakseptabelt, men det er
+fortsatt like viktig å beskytte privatsfæren som før, da de
+teknologiske mulighetene fortsatt finnes og utnyttes, og jeg tror
+innsats i prosjekter som
+<a href="https://wiki.debian.org/FreedomBox">Freedombox</a> og
+<a href="http://www.dugnadsnett.no/">Dugnadsnett</a> er viktigere enn
+noen gang.</p>
+
+<p><strong>Update 2014-04-08 12:10</strong>: Kronerullingen for å
+stoppe datalagringsdirektivet i Norge gjøres hos foreningen
+<a href="http://www.digitaltpersonvern.no/">Digitalt Personvern</a>,
+som har samlet inn 843 215,- så langt men trenger nok mye mer hvis
+
+ikke Høyre og Arbeiderpartiet bytter mening i saken. Det var
+<a href="http://www.holderdeord.no/parliament-issues/48650">kun
+partinene Høyre og Arbeiderpartiet</a> som stemte for
+Datalagringsdirektivet, og en av dem må bytte mening for at det skal
+bli flertall mot i Stortinget. Se mer om saken
+<a href="http://www.holderdeord.no/issues/69-innfore-datalagringsdirektivet">Holder
+de ord</a>.</p>
</description>
</item>
<item>
- <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><p>Back in 2010, I created a Perl library to talk to
-<a href="http://en.wikipedia.org/wiki/Spykee">the Spykee robot</a>
-(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
-<a href="https://github.com/petterreinholdtsen/libspykee-perl">the
-libspykee-perl github repository</a>.</p>
+ <title>ReactOS Windows clone - nice free software</title>
+ <link>http://people.skolelinux.org/pere/blog/ReactOS_Windows_clone___nice_free_software.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/ReactOS_Windows_clone___nice_free_software.html</guid>
+ <pubDate>Tue, 1 Apr 2014 12:10:00 +0200</pubDate>
+ <description><p>Microsoft have announced that Windows XP reaches its end of life
+2014-04-08, in 7 days. But there are heaps of machines still running
+Windows XP, and depending on Windows XP to run their applications, and
+upgrading will be expensive, both when it comes to money and when it
+comes to the amount of effort needed to migrate from Windows XP to a
+new operating system. Some obvious options (buy new a Windows
+machine, buy a MacOSX machine, install Linux on the existing machine)
+are already well known and covered elsewhere. Most of them involve
+leaving the user applications installed on Windows XP behind and
+trying out replacements or updated versions. In this blog post I want
+to mention one strange bird that allow people to keep the hardware and
+the existing Windows XP applications and run them on a free software
+operating system that is Windows XP compatible.</p>
+
+<p><a href="http://www.reactos.org/">ReactOS</a> is a free software
+operating system (GNU GPL licensed) working on providing a operating
+system that is binary compatible with Windows, able to run windows
+programs directly and to use Windows drivers for hardware directly.
+The project goal is for Windows user to keep their existing machines,
+drivers and software, and gain the advantages from user a operating
+system without usage limitations caused by non-free licensing. It is
+a Windows clone running directly on the hardware, so quite different
+from the approach taken by <a href="http://www.winehq.org/">the Wine
+project</a>, which make it possible to run Windows binaries on
+Linux.</p>
+
+<p>The ReactOS project share code with the Wine project, so most
+shared libraries available on Windows are already implemented already.
+There is also a software manager like the one we are used to on Linux,
+allowing the user to install free software applications with a simple
+click directly from the Internet. Check out the
+<a href="http://www.reactos.org/screenshots">screen shots on the
+project web site</a> for an idea what it look like (it looks just like
+Windows before metro).</p>
+
+<p>I do not use ReactOS myself, preferring Linux and Unix like
+operating systems. I've tested it, and it work fine in a virt-manager
+virtual machine. The browser, minesweeper, notepad etc is working
+fine as far as I can tell. Unfortunately, my main test application
+is the software included on a CD with the Lego Mindstorms NXT, which
+seem to install just fine from CD but fail to leave any binaries on
+the disk after the installation. So no luck with that test software.
+No idea why, but hope someone else figure out and fix the problem.
+I've tried the ReactOS Live ISO on a physical machine, and it seemed
+to work just fine. If you like Windows and want to keep running your
+old Windows binaries, check it out by
+<a href="http://www.reactos.org/download">downloading</a> the
+installation CD, the live CD or the preinstalled virtual machine
+image.</p>
</description>
</item>
<item>
- <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><p>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. :)</p>
-
-<p>Via <a href="http://www.debian.org/News/weekly/2013/18/">Debian
-Project News for 2013-10-14</a> 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 <a href="http://debian.ch/opw2013">any donation done to Debian
-earmarked</a> for this initiative. I donated a few minutes ago, and
-hope you will to. :)</p>
-
-<p>And the Electronic Frontier Foundation just announced plans to
-create <a href="https://supporters.eff.org/donate/nsa-videos">video
-documentaries about the excessive spying</a> on every Internet user that
-take place these days, and their need to fund the work. I've already
-donated. Are you next?</p>
-
-<p>For my Norwegian audience, the organisation Studentenes og
-Akademikernes Internasjonale Hjelpefond is collecting signatures for a
-statement under the heading
-<a href="http://saih.no/Bloggers_United/">Bloggers United for Open
-Access</a> 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.</p>
+ <title>Debian Edu interview: Roger Marsal</title>
+ <link>http://people.skolelinux.org/pere/blog/Debian_Edu_interview__Roger_Marsal.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Debian_Edu_interview__Roger_Marsal.html</guid>
+ <pubDate>Sun, 30 Mar 2014 11:40:00 +0200</pubDate>
+ <description><p><a href="http://www.skolelinux.org/">Debian Edu / Skolelinux</a>
+keep gaining new users. Some weeks ago, a person showed up on IRC,
+<a href="irc://irc.debian.org/#debian-edu">#debian-edu</a>, with a
+wish to contribute, and I managed to get a interview with this great
+contributor Roger Marsal to learn more about his background.</p>
+
+<p><strong>Who are you, and how do you spend your days?</strong></p>
+
+<p>My name is Roger Marsal, I'm 27 years old (1986 generation) and I
+live in Barcelona, Spain. I've got a strong business background and I
+work as a patrimony manager and as a real estate agent. Additionally,
+I've co-founded a British based tech company that is nowadays on the
+last development phase of a new social networking concept.</p>
+
+<p>I'm a Linux enthusiast that started its journey with Ubuntu four years
+ago and have recently switched to Debian seeking rock solid stability
+and as a necessary step to gain expertise.</p>
+
+<p>In a nutshell, I spend my days working and learning as much as I
+can to face both my job, entrepreneur project and feed my Linux
+hunger.</p>
+
+<p><strong>How did you get in contact with the Skolelinux / Debian Edu
+project?</strong></p>
+
+<p>I discovered the <a href="http://www.ltsp.org/">LTSP</a> advantages
+with "Ubuntu 12.04 alternate install" and after a year of use I
+started looking for an alternative. Even though I highly value and
+respect the Ubuntu project, I thought it was necessary for me to
+change to a more robust and stable alternative. As far as I was using
+Debian on my personal laptop I thought it would be fine to install
+Debian and configure an LTSP server myself. Surprised, I discovered
+that the Debian project also supported a kind of Edubuntu equivalent,
+and after having some pain I obtained a Debian Edu network up and
+running. I just loved it.</p>
+
+<p><strong>What do you see as the advantages of Skolelinux / Debian
+Edu?</strong></p>
+
+<p>I found a main advantage in that, once you know "the tips and
+tricks", a new installation just works out of the box. It's the most
+complete alternative I've found to create an LTSP network. All the
+other distributions seems to be made of plastic, Debian Edu seems to
+be made of steel.</p>
+
+<p><strong>What do you see as the disadvantages of Skolelinux / Debian
+Edu?</strong></p>
+
+<p>I found two main disadvantages.</p>
+
+<p>I'm not an expert but I've got notions and I had to spent a considerable
+amount of time trying to bring up a standard network topology. I'm quite
+stubborn and I just worked until I did but I'm sure many people with few
+resources (not big schools, but academies for example) would have switched
+or dropped.</p>
+
+<p>It's amazing how such a complex system like Debian Edu has achieved
+this out-of-the-box state. Even though tweaking without breaking gets
+more difficult, as more factors have to be considered. This can
+discourage many people too.</p>
+
+<p><strong>Which free software do you use daily?</strong></p>
+
+<p>I use Debian, Firefox, Okular, Inkscape, LibreOffice and
+Virtualbox.</p>
+
+
+<p><strong>Which strategy do you believe is the right one to use to
+get schools to use free software?</strong></p>
+
+<p>I don't think there is a need for a particular strategy. The free
+attribute in both "freedom" and "no price" meanings is what will
+really bring free software to schools. In my experience I can think of
+the <a href="http://www.r-project.org/">"R" statistical language</a>; a
+few years a ago was an extremely nerd tool for university people.
+Today it's being increasingly used to teach statistics at many
+different level of studies. I believe free and open software will
+increasingly gain popularity, but I'm sure schools will be one of the
+first scenarios where this will happen.</p>
</description>
</item>
<item>
- <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><p>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
-<a href="http://www.freifunk.net/">Freifunk</a> and
-<a href="http://www.awmn.net/">Athens Wireless Metropolitan Network</a>
-(see
-<a href="http://en.wikipedia.org/wiki/List_of_wireless_community_networks_by_region#Greece">wikipedia
-for a large list</a>) 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
-<a href="http://freifunk.in-kiel.de/ffmap/nodes.html">dynamically
-updated node graph and map</a>, 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.</p>
-
-<p>I've wanted to check out mesh networks for a while now, and hoped
-to do it as part of my involvement with the <a
-href="http://www.nuug.no/">NUUG member organisation</a> community, and
-my recent involvement in
-<a href="https://wiki.debian.org/FreedomBox">the Freedombox project</a>
-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.</p>
-
-<p>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
-<a href="http://hackeriet.no/">Hackeriet</a> at Husmania. They seem to
-have started with some Freifunk based effort using OLSR, called
-<a href="http://oslo.freifunk.net/index.php?title=Main_Page">the Oslo
-Freifunk project</a>, but that effort is now dead and the people
-behind it have moved on to a batman-adv based system called
-<a href="http://meshfx.org/trac">meshfx</a>. 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'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
-<a href="https://www.youtube.com/watch?v=N2Kd7CLkhSY">youtube</a>):</p>
-
-<p><iframe width="420" height="315" src="https://www.youtube.com/embed/N2Kd7CLkhSY" frameborder="0" allowfullscreen></iframe></p>
-
-<p>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 "best" 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
-<a href="http://www.servalproject.org/">Serval project in Australia</a>
-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
-<a href="https://www.youtube.com/watch?v=30qNfzJCQOA">youtube</a>):</p>
-
-<p><iframe width="560" height="315" src="https://www.youtube.com/embed/30qNfzJCQOA" frameborder="0" allowfullscreen></iframe></p>
-
-<p>According to the wikipedia page on
-<a href="http://en.wikipedia.org/wiki/Wireless_mesh_network">Wireless
-mesh network</a> 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.</p>
-
-<p>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
-<a href="http://www.open-mesh.org/projects/batman-adv/wiki/Quick-start-guide">good
-introduction</a> is available from the Open Mesh project. These are
-the key settings needed to join the Oslo meshfx network:</p>
-
-<p><table>
-<tr><th>Setting</th><th>Value</th></tr>
-<tr><td>Protocol / kernel module</td><td>batman-adv</td></tr>
-<tr><td>ESSID</td><td>meshfx@hackeriet</td></tr>
-<td>Channel / Frequency</td><td>11 / 2462</td></tr>
-<td>Cell ID</td><td>02:BA:00:00:00:01</td>
-</table></p>
-
-<p>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
-"<a href="http://tiebing.blogspot.no/2009/12/ad-hoc-cell-splitting-re-post-original.html">Information
-about cell-id splitting, stuck beacons, and failed IBSS merges!</a>
-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. :)</p>
-
-<p>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.</p>
-
-<p>If you find this project interesting and want to join, please join
-us on IRC, either channel
-<a href="irc://irc.freenode.net/#oslohackerspace">#oslohackerspace</a>
-or <a href="irc://irc.freenode.net/#nuug">#nuug</a> on
-irc.freenode.net.</p>
-
-<p>While investigating mesh networks in Oslo, I came across an old
-research paper from the university of Stavanger and Telenor Research
-and Innovation called
-<a href="http://folk.uio.no/paalee/publications/netrel-egeland-iswcs-2008.pdf">The
-reliability of wireless backhaul mesh networks</a> 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?</p>
-
-<p><strong>Update 2013-10-12</strong>: I was just
-<a href="http://lists.alioth.debian.org/pipermail/freedombox-discuss/2013-October/005900.html">told
-by the Serval project developers</a> that they no longer use
-batman-adv (but are compatible with it), but their own crypto based
-mesh system.</p>
+ <title>Dokumentaren om Datalagringsdirektivet sendes endelig på NRK</title>
+ <link>http://people.skolelinux.org/pere/blog/Dokumentaren_om_Datalagringsdirektivet_sendes_endelig_p__NRK.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Dokumentaren_om_Datalagringsdirektivet_sendes_endelig_p__NRK.html</guid>
+ <pubDate>Wed, 26 Mar 2014 09:50:00 +0100</pubDate>
+ <description><p><a href="http://www.nuug.no/">Foreningen NUUG</a> melder i natt at
+NRK nå har bestemt seg for
+<a href="http://www.nuug.no/news/NRK_viser_filmen_om_Datalagringsdirektivet_f_rste_gang_2014_03_31.shtml">når
+den norske dokumentarfilmen om datalagringsdirektivet skal
+sendes</a> (se <a href="http://www.imdb.com/title/tt2832844/">IMDB</a>
+for detaljer om filmen) . Første visning blir på NRK2 mandag
+2014-03-31 kl. 19:50, og deretter visninger onsdag 2014-04-02
+kl. 12:30, fredag 2014-04-04 kl. 19:40 og søndag 2014-04-06 kl. 15:10.
+Jeg har sett dokumentaren, og jeg anbefaler enhver å se den selv. Som
+oppvarming mens vi venter anbefaler jeg Bjørn Stærks kronikk i
+Aftenposten fra i går,
+<a href="http://www.aftenposten.no/meninger/kronikker/Autoritar-gjokunge-7514915.html">Autoritær
+gjøkunge</a>, der han gir en grei skisse av hvor ille det står til med
+retten til privatliv og beskyttelsen av demokrati i Norge og resten
+verden, og helt riktig slår fast at det er vi i databransjen som
+sitter med nøkkelen til å gjøre noe med dette. Jeg har involvert meg
+i prosjektene <a href="http://www.dugnadsnett.no/">dugnadsnett.no</a>
+og <a href="https://wiki.debian.org/FreedomBox">FreedomBox</a> for å
+forsøke å gjøre litt selv for å bedre situasjonen, men det er mye
+hardt arbeid fra mange flere enn meg som gjenstår før vi kan sies å ha
+gjenopprettet balansen.</p>
+
+<p>Jeg regner med at nettutgaven dukker opp på
+<a href="http://tv.nrk.no/program/koid75005313/tema-dine-digitale-spor-datalagringsdirektivet">NRKs
+side om filmen om datalagringsdirektivet</a> om fem dager. Hold et
+øye med siden, og tips venner og slekt om at de også bør se den.</p>
</description>
</item>
<item>
- <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><p>The other day I was pleased and surprised to discover that Marcelo
-Salvador had published a
-<a href="https://www.youtube.com/watch?v=w-GgpdqgLFc">video on
-Youtube</a> 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 <a href="http://www.zygotebody.com/">Zygote Body 3D model
-of the human body</a>, 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
-<a href="http://www.ltsp.org/">LTSP server</a>.</p>
-
-<p>Anyway, check out the video, embedded below and linked to above:</p>
-
-<iframe width="420" height="315" src="http://www.youtube.com/embed/w-GgpdqgLFc" frameborder="0" allowfullscreen></iframe>
-
-<p>Are there other nice videos demonstrating Skolelinux? Please let
-me know. :)</p>
+ <title>Public Trusted Timestamping services for everyone</title>
+ <link>http://people.skolelinux.org/pere/blog/Public_Trusted_Timestamping_services_for_everyone.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Public_Trusted_Timestamping_services_for_everyone.html</guid>
+ <pubDate>Tue, 25 Mar 2014 12:50:00 +0100</pubDate>
+ <description><p>Did you ever need to store logs or other files in a way that would
+allow it to be used as evidence in court, and needed a way to
+demonstrate without reasonable doubt that the file had not been
+changed since it was created? Or, did you ever need to document that
+a given document was received at some point in time, like some
+archived document or the answer to an exam, and not changed after it
+was received? The problem in these settings is to remove the need to
+trust yourself and your computers, while still being able to prove
+that a file is the same as it was at some given time in the past.</p>
+
+<p>A solution to these problems is to have a trusted third party
+"stamp" the document and verify that at some given time the document
+looked a given way. Such
+<a href="https://en.wikipedia.org/wiki/Notarius">notarius</a> service
+have been around for thousands of years, and its digital equivalent is
+called a
+<a href="http://en.wikipedia.org/wiki/Trusted_timestamping">trusted
+timestamping service</a>. <a href="http://www.ietf.org/">The Internet
+Engineering Task Force</a> standardised how such service could work a
+few years ago as <a href="http://tools.ietf.org/html/rfc3161">RFC
+3161</a>. The mechanism is simple. Create a hash of the file in
+question, send it to a trusted third party which add a time stamp to
+the hash and sign the result with its private key, and send back the
+signed hash + timestamp. Both email, FTP and HTTP can be used to
+request such signature, depending on what is provided by the service
+used. Anyone with the document and the signature can then verify that
+the document matches the signature by creating their own hash and
+checking the signature using the trusted third party public key.
+There are several commercial services around providing such
+timestamping. A quick search for
+"<a href="https://duckduckgo.com/?q=rfc+3161+service">rfc 3161
+service</a>" pointed me to at least
+<a href="https://www.digistamp.com/technical/how-a-digital-time-stamp-works/">DigiStamp</a>,
+<a href="http://www.quovadisglobal.co.uk/CertificateServices/SigningServices/TimeStamp.aspx">Quo
+Vadis</a>,
+<a href="https://www.globalsign.com/timestamp-service/">Global Sign</a>
+and <a href="http://www.globaltrustfinder.com/TSADefault.aspx">Global
+Trust Finder</a>. The system work as long as the private key of the
+trusted third party is not compromised.</p>
+
+<p>But as far as I can tell, there are very few public trusted
+timestamp services available for everyone. I've been looking for one
+for a while now. But yesterday I found one over at
+<a href="https://www.pki.dfn.de/zeitstempeldienst/">Deutches
+Forschungsnetz</a> mentioned in
+<a href="http://www.d-mueller.de/blog/dealing-with-trusted-timestamps-in-php-rfc-3161/">a
+blog by David Müller</a>. I then found
+<a href="http://www.rz.uni-greifswald.de/support/dfn-pki-zertifikate/zeitstempeldienst.html">a
+good recipe on how to use the service</a> over at the University of
+Greifswald.</p>
+
+<p><a href="http://www.openssl.org/">The OpenSSL library</a> contain
+both server and tools to use and set up your own signing service. See
+the ts(1SSL), tsget(1SSL) manual pages for more details. The
+following shell script demonstrate how to extract a signed timestamp
+for any file on the disk in a Debian environment:</p>
+
+<p><blockquote><pre>
+#!/bin/sh
+set -e
+url="http://zeitstempel.dfn.de"
+caurl="https://pki.pca.dfn.de/global-services-ca/pub/cacert/chain.txt"
+reqfile=$(mktemp -t tmp.XXXXXXXXXX.tsq)
+resfile=$(mktemp -t tmp.XXXXXXXXXX.tsr)
+cafile=chain.txt
+if [ ! -f $cafile ] ; then
+ wget -O $cafile "$caurl"
+fi
+openssl ts -query -data "$1" -cert | tee "$reqfile" \
+ | /usr/lib/ssl/misc/tsget -h "$url" -o "$resfile"
+openssl ts -reply -in "$resfile" -text 1>&2
+openssl ts -verify -data "$1" -in "$resfile" -CAfile "$cafile" 1>&2
+base64 < "$resfile"
+rm "$reqfile" "$resfile"
+</pre></blockquote></p>
+
+<p>The argument to the script is the file to timestamp, and the output
+is a base64 encoded version of the signature to STDOUT and details
+about the signature to STDERR. Note that due to
+<a href="http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742553">a bug
+in the tsget script</a>, you might need to modify the included script
+and remove the last line. Or just write your own HTTP uploader using
+curl. :) Now you too can prove and verify that files have not been
+changed.</p>
+
+<p>But the Internet need more public trusted timestamp services.
+Perhaps something for <a href="http://www.uninett.no/">Uninett</a> or
+my work place the <a href="http://www.uio.no/">University of Oslo</a>
+to set up?</p>
</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><p>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
-<a href="http://www.debian.org/News/2013/20130928">the Debian News
-section</a>, translated to several languages. Please check it out.</p>
-
-<p>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).</p>
+ <title>Video DVD reader library / python-dvdvideo - nice free software</title>
+ <link>http://people.skolelinux.org/pere/blog/Video_DVD_reader_library___python_dvdvideo___nice_free_software.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Video_DVD_reader_library___python_dvdvideo___nice_free_software.html</guid>
+ <pubDate>Fri, 21 Mar 2014 15:25:00 +0100</pubDate>
+ <description><p>Keeping your DVD collection safe from scratches and curious
+children fingers while still having it available when you want to see a
+movie is not straight forward. My preferred method at the moment is
+to store a full copy of the ISO on a hard drive, and use VLC, Popcorn
+Hour or other useful players to view the resulting file. This way the
+subtitles and bonus material are still available and using the ISO is
+just like inserting the original DVD record in the DVD player.</p>
+
+<p>Earlier I used dd for taking security copies, but it do not handle
+DVDs giving read errors (which are quite a few of them). I've also
+tried using
+<a href="http://people.skolelinux.org/pere/blog/Ripping_problematic_DVDs_using_dvdbackup_and_genisoimage.html">dvdbackup
+and genisoimage</a>, but these days I use the marvellous python library
+and program
+<a href="http://bblank.thinkmo.de/blog/new-software-python-dvdvideo">python-dvdvideo</a>
+written by Bastian Blank. It is
+<a href="http://packages.qa.debian.org/p/python-dvdvideo.html">in Debian
+already</a> and the binary package name is python3-dvdvideo. Instead
+of trying to read every block from the DVD, it parses the file
+structure and figure out which block on the DVD is actually in used,
+and only read those blocks from the DVD. This work surprisingly well,
+and I have been able to almost backup my entire DVD collection using
+this method.</p>
+
+<p>So far, python-dvdvideo have failed on between 10 and
+20 DVDs, which is a small fraction of my collection. The most common
+problem is
+<a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=720831">DVDs
+using UTF-16 instead of UTF-8 characters</a>, which according to
+Bastian is against the DVD specification (and seem to cause some
+players to fail too). A rarer problem is what seem to be inconsistent
+DVD structures, as the python library
+<a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=723079">claim
+there is a overlap between objects</a>. An equally rare problem claim
+<a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=741878">some
+value is out of range</a>. No idea what is going on there. I wish I
+knew enough about the DVD format to fix these, to ensure my movie
+collection will stay with me in the future.</p>
+
+<p>So, if you need to keep your DVDs safe, back them up using
+python-dvdvideo. :)</p>
</description>
</item>
<item>
- <title>Videos about the Freedombox project - for inspiration and learning</title>
- <link>http://people.skolelinux.org/pere/blog/Videos_about_the_Freedombox_project___for_inspiration_and_learning.html</link>
- <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Videos_about_the_Freedombox_project___for_inspiration_and_learning.html</guid>
- <pubDate>Fri, 27 Sep 2013 14:10:00 +0200</pubDate>
- <description><p>The <a href="http://www.freedomboxfoundation.org/">Freedombox
-project</a> have been going on for a while, and have presented the
-vision, ideas and solution several places. Here is a little
-collection of videos of talks and presentation of the project.</p>
-
-<ul>
-
-<li><a href="http://www.youtube.com/watch?v=ukvUz5taxvA">FreedomBox -
-2,5 minute marketing film</a> (Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=SzW25QTVWsE">Eben Moglen
-discusses the Freedombox on CBS news 2011</a> (Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=Ae8SZbxfE0g">Eben Moglen -
-Freedom in the Cloud - Software Freedom, Privacy and and Security for
-Web 2.0 and Cloud computing at ISOC-NY Public Meeting 2010</a>
-(Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=vNaIji_3xBE">Fosdem 2011
-Keynote by Eben Moglen presenting the Freedombox</a> (Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=9bDDUyJSQ9s">Presentation of
-the Freedombox by James Vasile at Elevate in Gratz 2011</a> (Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=zQTmnk27g9s"> Freedombox -
-Discovery, Identity, and Trust by Nick Daly at Freedombox Hackfest New
-York City in 2012</a> (Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=tkbSB4Ba7Ck">Introduction
-to the Freedombox at Freedombox Hackfest New York City in 2012</a>
-(Youtube)</li>
-
-<li><a href="http://www.youtube.com/watch?v=z-P2Jaeg0aQ">Freedom, Out
-of the Box! by Bdale Garbee at linux.conf.au Ballarat, 2012</a> (Youtube) </li>
-
-<li><a href="https://archive.fosdem.org/2013/schedule/event/freedombox/">Freedombox
-1.0 by Eben Moglen and Bdale Garbee at Fosdem 2013</a> (FOSDEM) </li>
-
-<li><a href="http://www.youtube.com/watch?v=e1LpYX2zVYg">What is the
-FreedomBox today by Bdale Garbee at Debconf13 in Vaumarcus
-2013</a> (Youtube)</li>
+ <title>Norsk utgave av Alaveteli / WhatDoTheyKnow på trappene</title>
+ <link>http://people.skolelinux.org/pere/blog/Norsk_utgave_av_Alaveteli___WhatDoTheyKnow_p__trappene.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Norsk_utgave_av_Alaveteli___WhatDoTheyKnow_p__trappene.html</guid>
+ <pubDate>Sun, 16 Mar 2014 09:30:00 +0100</pubDate>
+ <description><p>Det offentlige Norge har mye kunnskap og informasjon. Men hvordan
+kan en få tilgang til den på en enkel måte? Takket være et lite
+knippe lover og tilhørende forskrifter, blant annet
+<a href="http://lovdata.no/dokument/NL/lov/2006-05-19-16">offentlighetsloven</a>,
+<a href="http://lovdata.no/dokument/NL/lov/2003-05-09-31">miljøinformasjonsloven</a>
+og
+<a href="http://lovdata.no/dokument/NL/lov/1967-02-10/">forvaltningsloven</a>
+har en rett til å spørre det offentlige og få svar. Men det finnes
+intet offentlig arkiv over hva andre har spurt om, og dermed risikerer en
+å måtte forstyrre myndighetene gang på gang for å få tak i samme
+informasjonen på nytt. <a href="http://www.mysociety.org/">Britiske
+mySociety</a> har laget tjenesten
+<a href="http://www.whatdotheyknow.com/">WhatDoTheyKnow</a> som gjør
+noe med dette. I Storbritannia blir WhatdoTheyKnow brukt i
+<a href="http://www.mysociety.org/2011/07/01/whatdotheyknows-share-of-central-government-foi-requests-q2-2011/">ca
+15% av alle innsynsforespørsler mot sentraladministrasjonen</a>.
+Prosjektet heter <a href="http://www.alaveteli.org/">Alaveteli</A>, og
+er takk i bruk en rekke steder etter at løsningen ble generalisert og
+gjort mulig å oversette. Den hjelper borgerne med å be om innsyn,
+rådgir ved purringer og klager og lar alle se hvilke henvendelser som
+er sendt til det offentlige og hvilke svar som er kommet inn, i et
+søkpart arkiv. Her i Norge holder vi i foreningen NUUG på å få opp en
+norsk utgave av Alaveteli, og her trenger vi din hjelp med
+oversettelsen.</p>
+
+<p>Så langt er 76 % av Alaveteli oversatt til norsk bokmål, men vi
+skulle gjerne vært oppe i 100 % før lansering. Oversettelsen gjøres
+på <a href="https://www.transifex.com/projects/p/alaveteli/">Transifex,
+der enhver som registrerer seg</a> og ber om tilgang til
+bokmålsoversettelsen får bidra. Vi har satt opp en test av tjenesten
+(som ikke sender epost til det offentlige, kun til oss som holder på å
+sette opp tjenesten) på maskinen
+<a href="http://alaveteli-dev.nuug.no/">alaveteli-dev.nuug.no</a>, der
+en kan se hvordan de oversatte meldingen blir seende ut på nettsiden.
+Når tjenesten lanseres vil den hete
+<a href="https://www.mimesbrønn.no/">Mimes brønn</a>, etter
+visdomskilden som Odin måtte gi øyet sitt for å få drikke i. Den
+nettsiden er er ennå ikke klar til bruk.</p>
+
+<p>Hvis noen vil oversette til nynorsk også, så skal vi finne ut
+hvordan vi lager en flerspråklig tjeneste. Men i første omgang er
+fokus på bokmålsoversettelsen, der vi selv har nok peiling til å ha
+fått oversatt 76%, men trenger hjelp for å komme helt i mål. :)</p>
+</description>
+ </item>
+
+ <item>
+ <title>Freedombox on Dreamplug, Raspberry Pi and virtual x86 machine</title>
+ <link>http://people.skolelinux.org/pere/blog/Freedombox_on_Dreamplug__Raspberry_Pi_and_virtual_x86_machine.html</link>
+ <guid isPermaLink="true">http://people.skolelinux.org/pere/blog/Freedombox_on_Dreamplug__Raspberry_Pi_and_virtual_x86_machine.html</guid>
+ <pubDate>Fri, 14 Mar 2014 11:00:00 +0100</pubDate>
+ <description><p>The <a href="https://wiki.debian.org/FreedomBox">Freedombox
+project</a> is working on providing the software and hardware for
+making it easy for non-technical people to host their data and
+communication at home, and being able to communicate with their
+friends and family encrypted and away from prying eyes. It has been
+going on for a while, and is slowly progressing towards a new test
+release (0.2).</p>
+
+<p>And what day could be better than the Pi day to announce that the
+new version will provide "hard drive" / SD card / USB stick images for
+Dreamplug, Raspberry Pi and VirtualBox (or any other virtualization
+system), and can also be installed using a Debian installer preseed
+file. The Debian based Freedombox is now based on Debian Jessie,
+where most of the needed packages used are already present. Only one,
+the freedombox-setup package, is missing. To try to build your own
+boot image to test the current status, fetch the freedom-maker scripts
+and build using
+<a href="http://packages.qa.debian.org/vmdebootstrap">vmdebootstrap</a>
+with a user with sudo access to become root:
-</ul>
+<pre>
+git clone http://anonscm.debian.org/git/freedombox/freedom-maker.git \
+ freedom-maker
+sudo apt-get install git vmdebootstrap mercurial python-docutils \
+ mktorrent extlinux virtualbox qemu-user-static binfmt-support \
+ u-boot-tools
+make -C freedom-maker dreamplug-image raspberry-image virtualbox-image
+</pre>
+
+<p>Root access is needed to run debootstrap and mount loopback
+devices. See the README for more details on the build. If you do not
+want all three images, trim the make line. But note that thanks to <a
+href="https://bugs.debian.org/741407">a race condition in
+vmdebootstrap</a>, the build might fail without the patch to the
+kpartx call.</p>
+
+<p>If you instead want to install using a Debian CD and the preseed
+method, boot a Debian Wheezy ISO and use this boot argument to load
+the preseed values:</p>
-<p>A larger list is available from
-<a href="https://wiki.debian.org/FreedomBox/TalksAndPresentations">the
-Freedombox Wiki</a>.</p>
-
-<p>On other news, I am happy to report that Freedombox based on Debian
-Jessie is coming along quite well, and soon both Owncloud and using
-Tor should be available for testers of the Freedombox solution. :) In
-a few weeks I hope everything needed to test it is included in Debian.
-The withsqlite package is already in Debian, and the plinth package is
-pending in NEW. The third and vital part of that puzzle is the
-metapackage/setup framework, which is still pending an upload. Join
-us on <a href="irc://irc.debian.org:6667/%23freedombox">IRC
-(#freedombox on irc.debian.org)</a> and
+<pre>
+url=<a href="http://www.reinholdtsen.name/freedombox/preseed-jessie.dat">http://www.reinholdtsen.name/freedombox/preseed-jessie.dat</a>
+</pre>
+
+<p>But note that due to <a href="https://bugs.debian.org/740673">a
+recently introduced bug in apt in Jessie</a>, the installer will
+currently hang while setting up APT sources. Killing the
+'<tt>apt-cdrom ident</tt>' process when it hang a few times during the
+installation will get the installation going. This affect all
+installations in Jessie, and I expect it will be fixed soon.</p>
+
+<p>Give it a go and let us know how it goes on the mailing list, and help
+us get the new release published. :) Please join us on
+<a href="irc://irc.debian.org:6667/%23freedombox">IRC (#freedombox on
+irc.debian.org)</a> and
<a href="http://lists.alioth.debian.org/mailman/listinfo/freedombox-discuss">the
mailing list</a> if you want to help make this vision come true.</p>
</description>
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