X-Git-Url: http://pere.pagekite.me/gitweb/homepage.git/blobdiff_plain/bda84efc36d29da8a824fb60b59377554d38a64f..f7a78b2d915249c9f6ef506461e2c90a47d6beba:/blog/index.html diff --git a/blog/index.html b/blog/index.html index 5d9c50d519..eff43f464c 100644 --- a/blog/index.html +++ b/blog/index.html @@ -20,105 +20,131 @@
-
Second alpha release of Debian Edu / Skolelinux based on Debian Wheezy
-
14th May 2013
-

The Debian Edu / Skolelinux -project is making great progress and made its second Wheezy based -release today. This is the release announcement:

- -

New features for Debian Edu 7.0.0 alpha1 released -2013-05-14

- -

This is the release notes for for Debian Edu / Skolelinux 7.0.0 edu -alpha1, based on Debian with codename "Wheezy".

- -

About Debian Edu and Skolelinux

- -

Debian Edu, also known as Skolelinux, is a Linux distribution based -on Debian providing an out-of-the box environment of a completely -configured school network. Immediatly 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.

- -

This is the first test release based on Wheezy (which currently is -not released yet). Basically this is an updated and slightly improved -version compared to the Squeeze release.

- -

Software updates

- - -

Other changes

- - -

Known issues

- - -

Where to get it

- -

To download the multiarch netinstall CD release you can use

- - -

The MD5SUM of this image is: 685ed76c1aa8e44b12d3fde21faf450b

- -

The SHA1SUM of this image is: 6c874de157024da13e115bab29c068080a11ec4c

- -

How to report bugs

- -

http://wiki.debian.org/DebianEdu/HowTo/ReportBugs

+
Running TP-Link MR3040 as a batman-adv mesh node using openwrt
+
10th November 2013
+

Continuing my research into mesh networking, I was recommended to +use TP-Link 3040 and 3600 access points as mesh nodes, and the pair I +bought arrived on Friday. Here are my notes on how to set up the +MR3040 as a mesh node using +OpenWrt.

+ +

I started by following the instructions on the OpenWRT wiki for +TL-MR3040, +and downloaded +the +recommended firmware image +(openwrt-ar71xx-generic-tl-mr3040-v2-squashfs-factory.bin) and +uploaded it into the original web interface. The flashing went fine, +and the machine was available via telnet on the ethernet port. After +logging in and setting the root password, ssh was available and I +could start to set it up as a batman-adv mesh node.

+ +

I started off by reading the instructions from +Wireless +Africa, which had quite a lot of useful information, but +eventually I followed the recipe from the Open Mesh wiki for +using +batman-adv on OpenWrt. A small snag was the fact that the +opkg install kmod-batman-adv command did not work as it +should. The batman-adv kernel module would fail to load because its +dependency crc16 was not already loaded. I +reported the bug to +the openwrt project and hope it will be fixed soon. But the problem +only seem to affect initial testing of batman-adv, as configuration +seem to work when booting from scratch.

+ +

The setup is done using files in /etc/config/. I did not bridge +the Ethernet and mesh interfaces this time, to be able to hook up the +box on my local network and log into it for configuration updates. +The following files were changed and look like this after modifying +them:

+ +

/etc/config/network

+ +
+
+config interface 'loopback'
+        option ifname 'lo'
+        option proto 'static'
+        option ipaddr '127.0.0.1'
+        option netmask '255.0.0.0'
+
+config globals 'globals'
+        option ula_prefix 'fdbf:4c12:3fed::/48'
+
+config interface 'lan'
+        option ifname 'eth0'
+        option type 'bridge'
+        option proto 'dhcp'
+        option ipaddr '192.168.1.1'
+        option netmask '255.255.255.0'
+        option hostname 'tl-mr3040'
+        option ip6assign '60'
+
+config interface 'mesh'
+        option ifname 'adhoc0'
+        option mtu '1528'
+        option proto 'batadv'
+        option mesh 'bat0'
+
+ +

/etc/config/wireless

+
+
+config wifi-device 'radio0'
+        option type 'mac80211'
+        option channel '11'
+        option hwmode '11ng'
+        option path 'platform/ar933x_wmac'
+        option htmode 'HT20'
+        list ht_capab 'SHORT-GI-20'
+        list ht_capab 'SHORT-GI-40'
+        list ht_capab 'RX-STBC1'
+        list ht_capab 'DSSS_CCK-40'
+        option disabled '0'
+
+config wifi-iface 'wmesh'
+        option device 'radio0'
+        option ifname 'adhoc0'
+        option network 'mesh'
+        option encryption 'none'
+        option mode 'adhoc'
+        option bssid '02:BA:00:00:00:01'
+        option ssid 'meshfx@hackeriet'
+
+

/etc/config/batman-adv

+
+
+config 'mesh' 'bat0'
+        option interfaces 'adhoc0'
+        option 'aggregated_ogms'
+        option 'ap_isolation'
+        option 'bonding'
+        option 'fragmentation'
+        option 'gw_bandwidth'
+        option 'gw_mode'
+        option 'gw_sel_class'
+        option 'log_level'
+        option 'orig_interval'
+        option 'vis_mode'
+        option 'bridge_loop_avoidance'
+        option 'distributed_arp_table'
+        option 'network_coding'
+        option 'hop_penalty'
+
+# yet another batX instance
+# config 'mesh' 'bat5'
+#       option 'interfaces' 'second_mesh'
+
+ +

The mesh node is now operational. I have yet to test its range, +but I hope it is good. I have not yet tested the TP-Link 3600 box +still wrapped up in plastic.

- Tags: debian edu, english. + Tags: english, mesh network, nuug.
@@ -126,47 +152,204 @@ version compared to the Squeeze release.

-
Debian, the Linux distribution of choice for LEGO designers?
-
11th May 2013
-

In January, -I -announced a new IRC -channel #debian-lego, for those of us in the Debian and Linux -community interested in LEGO, the -marvellous construction system from Denmark. We also created -a wiki page to have -a place to take notes and write down our plans and hopes. And several -people showed up to help. I was very happy to see the effect of my -call. Since the small start, we have a debtags tag -hardware::hobby:lego -tag for LEGO related packages, and now count 10 packages related to -LEGO and Mindstorms:

- -

- - - - - - - - - - -
brickosalternative OS for LEGO Mindstorms RCX. Supports development in C/C++
leocadvirtual brick CAD software
libnxtutility library for talking to the LEGO Mindstorms NX
lnpddaemon for LNP communication with BrickOS
nbccompiler for LEGO Mindstorms NXT bricks
nqcNot Quite C compiler for LEGO Mindstorms RCX
python-nxtpython driver/interface/wrapper for the Lego Mindstorms NXT robot
python-nxt-filersimple GUI to manage files on a LEGO Mindstorms NXT
scratcheasy to use programming environment for ages 8 and up
t2nsimple command-line tool for Lego NXT

- -

Some of these are available in Wheezy, and all but one are -currently available in Jessie/testing. leocad is so far only -available in experimental.

- -

If you care about LEGO in Debian, please join us on IRC and help -adding the rest of the great free software tools available on Linux -for LEGO designers.

+
Debian init.d boot script example for rsyslog
+
2nd November 2013
+

If one of the points of switching to a new init system in Debian is +to get rid of huge +init.d scripts, 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:

+ +

+#!/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="enhanced syslogd"
+DAEMON=/usr/sbin/rsyslogd
+

+ +

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.

+ +

How to do this, you ask? Well, one create a new script +/lib/init/init-d-script looking something like this: + +

+#!/bin/sh
+
+# Define LSB log_* functions.
+# Depend on lsb-base (>= 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 > /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 $NAME
+	RETVAL="$?"
+	[ "$RETVAL" = 2 ] && 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 $DAEMON
+	[ "$?" = 2 ] && return 2
+	# Many daemons don't delete their pidfiles when they exit.
+	rm -f $PIDFILE
+	return "$RETVAL"
+}
+
+#
+# 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=$1
+scriptbasename="$(basename $1)"
+echo "SN: $scriptbasename"
+if [ "$scriptbasename" != "init-d-library" ] ; then
+    script="$1"
+    shift
+    . $script
+else
+    exit 0
+fi
+
+NAME=$(basename $DAEMON)
+PIDFILE=/var/run/$NAME.pid
+
+# Exit if the package is not installed
+#[ -x "$DAEMON" ] || exit 0
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+case "$1" in
+  start)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
+	do_start
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  stop)
+	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
+	do_stop
+	case "$?" in
+		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+	esac
+	;;
+  status)
+	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
+	;;
+  #reload|force-reload)
+	#
+	# If do_reload() is not implemented then leave this commented out
+	# and leave 'force-reload' as an alias for 'restart'.
+	#
+	#log_daemon_msg "Reloading $DESC" "$NAME"
+	#do_reload
+	#log_end_msg $?
+	#;;
+  restart|force-reload)
+	#
+	# If the "reload" option is implemented then remove the
+	# 'force-reload' alias
+	#
+	log_daemon_msg "Restarting $DESC" "$NAME"
+	do_stop
+	case "$?" in
+	  0|1)
+		do_start
+		case "$?" 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 "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
+	exit 3
+	;;
+esac
+
+:
+

+ +

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.

+ +

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.

- Tags: debian, english, robot. + Tags: bootsystem, debian, english.
@@ -174,33 +357,28 @@ for LEGO designers.

-
Narvik sparer minst 9 millioner på å bruke Skolelinux
-
10th May 2013
-

I fjor sommer ble jeg -gledelig -overrasket over et oppslag i avisen Fremover om Narvik kommunes -bruk av Skolelinux. Oppslaget -var basert på et notat som besvarte spørsmål fra ordfører Tor Nysæter -og rådgiver for skolesektoren, Petter Falkbu, om bruken av Skolelinux -i Narvikskolene og konstnaden ved å gå over til Windows. For litt -over en uke siden siden fikk jeg endelig bedt kommunen om å få innsyn -i dette notatet, og det ble oversendt på epost tirsdag. Jeg fikk -lagt -ut notatet samme dag, og fikk i dag sjekket postlista til Narvik, -der jeg fant notatet som -sak -2013/1023.

- -

Notatet forteller at Narvik ville måtte betalt minst 9 millioner -for å gå over til Windows på skolene. I tillegg dokumenterer notatet -at læreplanens krav oppfylles uten problemer ved bruk av Skolelinux. -Jeg anbefaler alle å lese de 10 sidene med gode argumenter for å kutte -unødige utgifter på IT i skoleverket. :)

+
Browser plugin for SPICE (spice-xpi) uploaded to Debian
+
1st November 2013
+

The SPICE protocol 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 request +for a package 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.

+ +

The source is now available from +http://anonscm.debian.org/gitweb/?p=collab-maint/spice-xpi.git;a=summary.

- Tags: debian edu, norsk. + Tags: debian, english.
@@ -208,36 +386,120 @@ unødige utgifter på IT i skoleverket. :)

-
Debian Wheezy is out - and Debian Edu / Skolelinux should soon follow! #newinwheezy
-
5th May 2013
-

When I woke up this morning, I was very happy to see that the -release announcement -for Debian Wheezy was waiting in my mail box. This is a great -Debian release, and I expect to move my machines at home over to it fairly -soon.

- -

The new debian release contain heaps of new stuff, and one program -in particular make me very happy to see included. The -Scratch program, made famous by -the Teach kids code movement, is -included for the first time. Alongside similar programs like -kturtle and -turtleart, -it allow for visual programming where syntax errors can not happen, -and a friendly programming environment for learning to control the -computer. Scratch will also be included in the next release of Debian -Edu. - -

And now that Wheezy is wrapped up, we can wrap up the next Debian -Edu/Skolelinux release too. The -first -alpha release went out last week, and the next should soon -follow.

+

Teaching vmdebootstrap to create Raspberry Pi SD card images
+
27th October 2013
+

The +vmdebootstrap +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 +Raspberry Pi, as part +of a plan to simplify the build system for +the FreedomBox +project. 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.

+ +

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 +Debian +Jessie based mesh node images for the Raspberry Pi. First, the +--foreign /path/to/binfm_handler 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 --bootsize size and --boottype +fstype 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 --variant +variant option to allow me to create smaller images without the +Debian base system packages installed. Finally, I added an option +--no-extlinux 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 +the +upstream project page.

+ +

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:

+ +

+#!/bin/sh
+set -e # Exit on first error
+rootdir="$1"
+cd "$rootdir"
+cat <<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
+

+ +

Next, fetch the latest vmdebootstrap script and call it like this +to build the image:

+ +
+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
+

+ +

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.

+ +

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.

+ +

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 Raspbian based images.

- Tags: debian, debian edu, english. + Tags: debian, english, freedombox, mesh network.
@@ -245,166 +507,51 @@ follow.

-
VÃ¥rt konkurransebidrag til #apps4norge bruker @opnedata
-
1st May 2013
-

For noen uker siden, innen fristen 2013-04-15, leverte jeg og -Morten Kjelkenes vårt bidrag til -DIFIs apps4norge-konkurranse -under lagnavnet NUUGs tannlegeteam. -Vi leverte følgende i idé-kategorien:

- -
- -

Tittel: Stikk innom tannlegen

- -

- -

Beskrivelse:

- -

Idéen - -

Gjøre det enklere å finne en tannlege som er praktisk for deg, der -pris og reisetid med kollektivt, til fots eller med bil er tatt med i -beregningen, ved å oppgi hvor en bor og jobber, og få forslag til -tannleger både i nærheten og på veien mellom disse stedene.

- -

Brukeren oppgir hjemmeadresse og jobbadresse, og kanskje også -barnehage. Så kan en også oppgi egen timelønn (for å beregne taps -arbeidsfortjeneste) og om en reiser med kollektivt, til fots eller -kjører bil. Så trykker en søk, og får opp en todelt side med kart og -tekstliste. I kartdelen vises aktuelle tannleger (for eksempel maks -7), og i tekstdelen er de samme tannlegene listet opp, med pris og -reisetid for kollektivtransport, og pris pluss reisekostnad hvis en -reiser med bil. En kan endre sorteringsrekkefølge for listen ved å -trykke på aktuell kolonne, og velge om en skal sortere på pris, -reisetid eller totalkostnad. Kun tannleger som tar imot nye kunder tas -i utganspunktet med i listen. Når brukeren trykker med musa en -tannlegemarkør på kartet kommer det en popup med detaljer om -tannlegen, den samme informasjonen som finnes i listen under kartet, -og lenke til mer informasjon om tannlegen.

- -

For hvert enkelt tannlegekontor er det tilgjengelig en -informasjonsside med adresse, hjemmesideurl, telefonnummer, lenke til -side for å finne reisebeskrivelse, åpningstider, etc.

- -

Nytteverdi for brukeren

- -
    -
  • sparer tid pÃ¥ tannlegebesøk
    • -
  • kan utnytte normal reisevei mellom hjem/jobb/barnehage
    • -
  • kan finne aktuell tannlege basert pÃ¥ flere kriterier
    • -
  • sile bort tannleger som ikke tar imot flere kunder
    • -
  • fÃ¥r kart som viser tannleger i nærheten, pÃ¥ tvers av kommunegrenser
    • -
- -

Grad av innovasjon, nytenkning og kreativitet

- -

Enkel tjeneste som fokuserer på det vi selv mener er relevant ved valg -av tannlege.

- -

Tjenestekonseptet kan også brukes til andre næringer, f.eks. lege, -butikk, leiebiler, hvis en har aktuell datakilde å koble med.

- -

Skulle gjerne hatt med vurdering av tannlegene tilgjengelig, slik -at en kunne finne "flinke" tannleger basert på et eller annet -kriterium.

- -

Markedspotensiale - potensiale for å slå gjennom hos mange -brukere

- -
    -
  • Alle som ønsker eller vurderer Ã¥ skaffe seg ny tannlege, f.eks. nyinnflyttede og studenter
    • -
  • Familier med en travel hverdag
    • -
- -

Felles er at den gjør tannlegen lettere tilgjengelig for de som vil spare tid eller penger.

- -

Samfunnsøkonomisk nytte - bidrar til å løse -samfunnsutfordringer

- -

Kutter tid brukt på tannlegebesøk, og penger frigjøres som kan brukes på andre områder. Oppfordrer til bedre bruk av kollektivtransport ved å gi tips om tannleger i nærheten av allerede brukt reisevei mellom hjemme og jobb når en reiser kollektivt.

- -

X-faktor - “Det lille ekstra...”

- -

Denne tjenesten gir det lille ekstra ved at den ikke slår opp -avstand til tannlege fra et enkelt punkt men avstand fra en reisevei, -slik at en får flere tannleger å velge imellom og kanskje kan spare -enda mer tid og penger enn en ville gjort ved å sjekke kun de nærmest -hjemme eller jobb.

- -

Tjenesten gir informasjonen både som kart og som tekstlig oversikt, for å sikre at blinde og svaksynte kan få tilgang til informasjonen selv om de ikke får brukt kartvisningen.

- -

Datasett brukt

- - - -

Åpne offentlige datasett brukt i applikasjonen:

- -
    -
  • Reisetid med kollektivtrafikk pÃ¥ Østlandet
    • -
- -

Øvrige datasett brukt i appen/tjenesten:

-
    -
  • Fakta om tannleger, priser etc (upublisert JSON-API)
    • -
  • Data om statens satser for biltransport
    • -
  • Kartbilder, kartdata
    • -
  • Kommunegrenser, nabokommuner, postnummer
    • -
  • Bilveiruting med OpenStreetmap-data
    • -
  • Kollektivtrafikkkart
    • -
  • Routing med OpenStreetmap-data
    • -
  • Kollektivtrafikkruting for Norge med uviss dataopphav
    • -
- -

Kategori:

-
    -
  • Arbeid og velferd
    • -
  • Forbruker
    • -
  • Økonomi
    • -
- -

Geografi (dekningsområde for app):

- -

Hele landet

- -
- -

Vinneren annonseres 2013-05-08 ved -prisutdelingen -hos DIFI 09:00 til 12:00. Konkurransen blir hard. Det meldes at -38 apper og 50 ideer er registrert som kandidater. Jeg frykter at jeg -ikke rekker innom selv, på grunn av jobb og forpliktelser på -hjemmebanen.

+
Det er jo makta som er mest sårbar ved massiv overvåkning av Internett
+
26th October 2013
+

De siste måneders eksponering av +den +totale overvåkningen som foregår i den vestlige verden dokumenterer +hvor sårbare vi er. 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.

+ +

For å ta et lite eksempel: Stortingets nettsted, +www.stortinget.no (og +forsåvidt også +data.stortinget.no), +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 +Google +Analytics, 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.

+ +

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.

- Tags: norsk, nuug, offentlig innsyn. + Tags: norsk, personvern, sikkerhet, stortinget, surveillance.
@@ -412,123 +559,93 @@ hjemmebanen.

-
First alpha release of Debian Edu / Skolelinux based on Debian Wheezy
-
26th April 2013
-

The Debian Edu / Skolelinux project is still going strong and made -its first Wheezy based release today. This is the release -announcement:

+
A Raspberry Pi based batman-adv Mesh network node
+
21st October 2013
+

The last few days I have been experimenting with +the +batman-adv mesh technology. I want to gain some experience to see +if it will fit the +Freedombox project, 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.

+ +

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 +Raspberry Pi, 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 the Serval +Project 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.

+ +

To get this working, I've created a debian package +meshfx-node +and a script +build-rpi-mesh-node +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.

+ +

To create an image, run the following with a sudo enabled user +after inserting the target SD card into the build machine:

+ +

+% 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
+%
+

+ +

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 +an +earlier blog post about this mesh testing.

+ +

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:

-

New features for Debian Edu ~7.0.0 alpha0 released -2013-04-26

- -

This is the release notes for for Debian Edu / Skolelinux ~7.0.0 -edu alpha0, based on Debian with codename "Wheezy".

- -

About Debian Edu and Skolelinux

- -

Debian Edu, also known as -Skolelinux, is a Linux distribution based on Debian providing an -out-of-the box environment of a completely configured school -network. Immediatly 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.

- -

This is the first test release based on Wheezy (which currently is -not released yet). Basically this is an updated and slightly improved -version compared to the Squeeze release.

- -

Software updates

- -
    -
  • Everything which is new in Debian Wheezy, eg: -
      -
    • Linux kernel 3.2.x
      • -
    • Desktop environments KDE "Plasma" 4.8.4, GNOME 3.4, and LXDE 4 - (KDE is installed by default; to choose GNOME or LXDE: see - manual.)
      • -
    • Web browser Iceweasel 10 ESR
      • -
    • LibreOffice 3.5.4
      • -
    • LTSP 5.4.2
      • -
    • GOsa 2.7.4
      • -
    • CUPS print system 1.5.3
      • -
    • Educational toolbox GCompris 12.01
      • -
    • Music creator Rosegarden 12.04
      • -
    • Image editor Gimp 2.8.2
      • -
    • Virtual universe Celestia 1.6.1
      • -
    • Virtual stargazer Stellarium 0.11.3
      • -
    • Scratch visual programming environment 1.4.0.6
      • -
    • New version of debian-installer from Debian Wheezy, see - installation - manual for more details.
      • -
    • Debian Wheezy includes about 37000 packages available for - installation.
      • -
    • More information about Debian Wheezy 7.0 is provided in the - release notes and the installation manual.
      • -
    • -
+

-

Documentation

-
    -
  • The (English) Debian Edu Wheezy Manual is fully translated to - German, French, Italian and Danish. Partly translated versions exist - for Norwegian Bokmal and Spanish.
    • -
- -

LDAP related changes

-
    -
  • Slight changes to some objects and acls to have more types to - choose from when adding systems in GOsa. Now systems can be of type - server, workstation, printer, terminal or netdevice.
    • -
- -

Other changes

-
    -
  • LTSP clients start as diskless workstation / thin client can be - configured via command line argument -- or individually adding an - entry in lts.conf or LDAP.
  • -
  • GOsa gui: Now some options that seemed to be available, but are non - functional, are greyed out (or are not clickable). Some tabs are - completely hidden to the end user, others even to the GOsa admin.
    • -
- -

Regressions

-
    -
  • No mass import of user account data in GOsa (ldif or csv) available - yet.
    • -
- -

No updated artwork

+ + + + + + -
    -
  • Updated artwork which is visible during installation, in the login - screen and as desktop wallpaper is still missing or the same as we - had for our Squeeze based release.
    • -
- -

Where to get it

+
SupplierModelNOK
TeknikkmagasinetRaspberry Pi model B349.90
TeknikkmagasinetRaspberry Pi type B case99.90
LefdalJensen Air:Link 25150295.-
Clas OhlsonKingston 16 GB SD card199.-
Total cost943.80

-To download the multiarch netinstall CD release you can use - - -

The MD5SUM of this image is: c5e773ddafdaa4f48c409c682f598b6c

- -

The SHA1SUM of this image is: 25934fabb9b7d20235499a0a51f08ce6c54215f2

- -

How to report bugs

- -

http://wiki.debian.org/DebianEdu/HowTo/ReportBugs

+

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. :)

- Tags: debian edu, english. + Tags: english, freedombox, mesh network, nuug.
@@ -536,66 +653,21 @@ To download the multiarch netinstall CD release you can use
-
Bitcoin er ikke anonymt - føres Stortinget bak lyset av finansministeren?
-
22nd April 2013
-

Bitcoin er mye i mediene for -tiden. Jeg følger med via Mylder for å finne -artikler som omtaler -temaet, og takket være dette oppdaget jeg at stortingsrepresentant -Ketil Solvik-Olsen fra FrP nylig har spurt finansminister Sigbjørn -Johnsen om hans syn på Bitcoin, og -fått -svar for noen dager siden. Jeg bet meg spesielt merke til -følgende formulering fra finansministeren:

- -

-«Det er også utfordringer ved at handel med Bitcoins er uregulert og -at transaksjonene er anonyme.» -

- -

At Bitcoin er anonymt er en myte som spres av både journalister og -andre, så det er ikke veldig overraskende at også finansministeren har -gått på limpinnen. Det er dog litt rart, da jeg håper at -finansdepartementet ikke baserer seg på rykter og myter når de -besvarer Stortinget. Men du trenger ikke bare tro på meg som kilde -til påstanden om at Bitcoin ikke er anonymt. Sondre Rønjom har -via Sikkerhetsbloggen -hos Nasjonal Sikkerhetsmyndighet uttalt følgende:

- -

-«At [bitcoin] i utgangspunktet -ikke er anonymt, -kommer kanskje som en overraskelse på mange.» -

- -

Enhver bevegelse av Bitcoin er offentlig tilgjengelig for alle på -Internet, og en må legge svært mye innsats inn hvis en skal hindre at -nettverksanalyse av transaksjonsloggene kan brukes til å identifisere -brukerne. F.eks. kan en enkelt se hva jeg har mottatt til min -offentliggjorte mottaksadresse ved å besøke blockexplorer og slå opp -adressen -15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b. -Det virker dermed på meg ganske klart at å påstå at -Bitcoin-transaksjoner er anonyme strengt tatt er å føre Stortinget bak -lyset.

- -

Finansministeren er ikke den eneste som har latt seg forlede av -medieomtalen. I spørsmålet fra Hr. Solvik-Olsen skriver han at «For -noen dager siden kom den første bitcoin-minibanken på Kypros», hvilket -så vidt jeg har klart å finne ut ikke er riktig. Det er annonsert -planer om en slik minibank (fra -BitcoinATM), men jeg finner -intet tegn til at en slik minibank er utplassert noe sted.

- -

Som vanlig, hvis du bruker Bitcoin og ønsker å vise din støtte til -mine aktiviteter, så setter jeg pris på Bitcoin-donasjoner til min -adresse -15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b.

+
Perl library to control the Spykee robot moved to github
+
19th October 2013
+

Back in 2010, I created a Perl library to talk to +the Spykee robot +(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 +the +libspykee-perl github repository.

- Tags: bitcoin, norsk, stortinget. + Tags: english, nuug, robot.
@@ -603,27 +675,38 @@ adresse
-
First Debian Edu / Skolelinux developer gathering in 2013 take place in Trondheim
-
16th April 2013
-

This years first Skolelinux / -Debian Edu developer gathering take place the coming weekend in Trondheim. -Details about the gathering can be found -on -the FRiSK wiki. The dates are 19-21th of April 2013, and online -participation for those unable to make it in person is very welcome, -and I plan to participate online myself as I could not leave Oslo this -weekend.

- -

The focus of the gathering is to work on the web pages and project -infrastructure, and to continue the work on the Wheezy based Debian -Edu release.

- -

See you on IRC, #debian-edu on irc.debian.org, then?

+
Good causes: Debian Outreach Program for Women, EFF documenting the spying and Open access in Norway
+
15th October 2013
+

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. :)

+ +

Via Debian +Project News for 2013-10-14 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 any donation done to Debian +earmarked for this initiative. I donated a few minutes ago, and +hope you will to. :)

+ +

And the Electronic Frontier Foundation just announced plans to +create video +documentaries about the excessive spying on every Internet user that +take place these days, and their need to fund the work. I've already +donated. Are you next?

+ +

For my Norwegian audience, the organisation Studentenes og +Akademikernes Internasjonale Hjelpefond is collecting signatures for a +statement under the heading +Bloggers United for Open +Access 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.

- Tags: debian edu, english. + Tags: debian, english, opphavsrett, surveillance.
@@ -631,55 +714,142 @@ Edu release.

-
Mer innsyn i bakgrunnen for fjerning av ODF fra statens standardkatalog
-
9th April 2013
-

For cirka en måned siden -ba -jeg om begrunnelse på nektet innsyn i dokumenter om -standardkatalogen fra Fornyingsdepartementet. I dag fikk jeg svar fra -Fornyingsdepartementet, og tilgang til dokumentene. Jeg fikk både -innsyn i vedlegg sendt fra DIFI, og også innsyn i et notat brukt -internt i Fornyingsdepartementet:

- - - -

Det bør nevnes at da jeg ble nektet innsyn hos mottaker -Fornyingsdepartementet på høringsoppsummeringen som DIFI hadde sendt -ut, spurte jeg DIFI om innsyn i stedet. Det fikk jeg i løpet av et -par dager. Moralen er at hvis ikke mottaker ikke vil gi innsyn, spør -avsender i stedet. Kanskje de har forskjellig forståelse av hva som -bør holdes skjult for folket. Her er de tilsvarende dokumentene jeg -fikk innsyn i fra DIFI:

- -
    - -
  • Epost fra DIFI til Fornyingsdepartementet, datert 2012-11-23
    • +
    Oslo community mesh network - with NUUG and Hackeriet at Hausmania
    +
    11th October 2013
    +

    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 +Freifunk and +Athens Wireless Metropolitan Network +(see +wikipedia +for a large list) 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 +dynamically +updated node graph and map, 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.

    + +

    I've wanted to check out mesh networks for a while now, and hoped +to do it as part of my involvement with the NUUG member organisation community, and +my recent involvement in +the Freedombox project +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.

    + +

    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 +Hackeriet at Husmania. They seem to +have started with some Freifunk based effort using OLSR, called +the Oslo +Freifunk project, but that effort is now dead and the people +behind it have moved on to a batman-adv based system called +meshfx. 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 +youtube):

    + +

    + +

    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 +Serval project in Australia +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 +youtube):

    + +

    + +

    According to the wikipedia page on +Wireless +mesh network 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.

    + +

    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 +good +introduction is available from the Open Mesh project. These are +the key settings needed to join the Oslo meshfx network:

    -
  • vedlegg 1, Oppsummering og anbefalinger etter høring av endringer i forskrift om IT-standarer i offentlig forvaltning, datert 2012-11-23
    • - -
  • Vedlegg 2, Forslag til endringsforskrift, udatert
    • - -
  • Vedlegg 3, Forskrift om IT-standarder i offentlig forvaltning, udatert
    • - -
+

+ + + + + +
SettingValue
Protocol / kernel modulebatman-adv
ESSIDmeshfx@hackeriet
Channel / Frequency11 / 2462
Cell ID02:BA:00:00:00:01

-

Det jeg synes er mest interessant er endel av aktørene som -protesterte på fjerningen (Kartverket, Drammen kommune), og hvordan -høringsoppsummeringen ikke tar stilling til effekten av å fjerne ODF -fra katalogen.

+

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 +"Information +about cell-id splitting, stuck beacons, and failed IBSS merges! +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. :)

+ +

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.

+ +

If you find this project interesting and want to join, please join +us on IRC, either channel +#oslohackerspace +or #nuug on +irc.freenode.net.

+ +

While investigating mesh networks in Oslo, I came across an old +research paper from the university of Stavanger and Telenor Research +and Innovation called +The +reliability of wireless backhaul mesh networks 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?

+ +

Update 2013-10-12: I was just +told +by the Serval project developers that they no longer use +batman-adv (but are compatible with it), but their own crypto based +mesh system.

- Tags: norsk, standard. + Tags: english, freedombox, mesh network, nuug.
@@ -687,48 +857,37 @@ fra katalogen.

-
Sandy Island - øya som er synlig hver tirsdag og fredag?
-
7th April 2013
-

For en stund tilbake gikk nyheten om -Sandy -Island, en øy som var dukket opp på noen kart, men som ikke var -synlig når en sjekket den på satellittbilder. Dagbladet meldte for -eksempel at -«denne -øya finnes på kart, men ikke i virkeligheten». Noe senere begynte -jeg å lese -historier -om Ruffen til mine barn. Dette er historier om sjøormen Ruffen -skapt av Tor Åge Bringsværd, som starter med følgende beskrivelse:

- -

-«Langt ute i havet ligger en mystisk øy. Den er bare synlig hver -tirsdag og fredag. Derfor står den ikke på noe kart. På denne øya -ligger et slott, og i slottet bor en gammel, fin sjøormfamilie.» -

- -

Det virker åpenbart at Hr. Bringsværd tok feil når han trodde den -ikke var på noe kart, og at noen tydeligvis har vært i nærheten en -tirsdag eller en fredag og fått den med på et kart, mens -satellittbildene er tatt på noen av de fem andre dagene i uka og -dermed ikke ser øya. :)

- -

I følge -en -senere artikkel i Dagbladet hevder Shaun Higgins, en forsker fra -New Zealand, at et hvalfangstskip fra 1876 er opprinnelsen til at -spøkelsesøya i det hele tatt havnet på kartet. Det fremgår ikke fra -historien hvilken ukedag de var innom.

- -

Jeg har stor sans for Tor Åge Bringsværd. Og han viste nylig en -svært fin side av seg selv da han sa ja til EFNs forespørsel om å gi -ut novellen Kodémus med -Creative Commons-lisens.

+
Skolelinux / Debian Edu 7.1 install and overview video from Marcelo Salvador
+
8th October 2013
+

The other day I was pleased and surprised to discover that Marcelo +Salvador had published a +video on +Youtube 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 Zygote Body 3D model +of the human body, 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 +LTSP server.

+ +

Anyway, check out the video, embedded below and linked to above:

+ + + +

Are there other nice videos demonstrating Skolelinux? Please let +me know. :)

- Tags: norsk. + Tags: debian edu, english, video.
@@ -754,7 +913,19 @@ Creative Commons-lisens.

  • April (6)
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