There is a certain cross-over between the
-
Who are you, and how do you spend your days?
- -I'm a South-African free software geek who lives in Cape Town. My -days vary quite a bit since I'm involved in too many things. As I'm -getting older I'm learning how to focus a bit more :)
- -I'm also an Edubuntu contributor and I love when there are -opportunities for the Edubuntu and Debian Edu projects to benefit from -each other.
- -How did you get in contact with the Skolelinux / Debian Edu -project?
- -I've been somewhat familiar with the project before, but I think my -first direct exposure to the project was when I met Petter -[Reinholdtsen] and Knut [Yrvin] at the Edubuntu summit in 2005 in -London. They provided great feedback that helped the bootstrapping of -Edubuntu. Back then Edubuntu (and even Ubuntu) was still very new and -it was great getting input from people who have been around longer. I -was also still very excitable and said yes to everything and to this -day I have a big todo list backlog that I'm catching up with. I think -over the years the relationship between Edubuntu and Debian-Edu has -been gradually improving, although I think there's a lot that we could -still improve on in terms of working together on packages. I'm sure -we'll get there one day.
- -What do you see as the advantages of Skolelinux / Debian -Edu?
- -Debian itself already has so many advantages. I could go on about -it for pages, but in essence I love that it's a very honest project -that puts its users first with no hidden agendas and also produces -very high quality work.
- -I think the advantage of Debian Edu is that it makes many common -set-up tasks simpler so that administrators can get up and running -with a lot less effort and frustration. At the same time I think it -helps to standardise installations in schools so that it's easier for -community members and commercial suppliers to support.
- -What do you see as the disadvantages of Skolelinux / Debian -Edu?
- -I had to re-type this one a few times because I'm trying to -separate "disadvantages" from "areas that need improvement" (which is -what I originally rambled on about)
- -The biggest disadvantage I can think of is lack of manpower. The -project could do so much more if there were more good contributors. I -think some of the problems are external too. Free software and free -content in education is a no-brainer but it takes some time to catch -on. When you've been working with the same proprietary eco-system for -years and have gotten used to it, it can be hard to adjust to some -concepts in the free software world. It would be nice if there were -more Debian Edu consultants across the world. I'd love to be one -myself but I'm already so over-committed that it's just not possible -currently.
- -I think the best short-term solution to that large-scale problem is -for schools to be pro-active and share their experiences and grow -their skills in-house. I'm often saddened to see how much money -educational institutions spend on 3rd party solutions that they don't -have access to after the service has ended and they could've gotten so -much more value otherwise by being more self-sustainable and -autonomous.
- -Which free software do you use daily?
- -My main laptop dual-boots between Debian and Windows 7. I was -Windows free for years but started dual-booting again last year for -some games which help me focus and relax (Starcraft II in -particular). Gaming support on Linux is improving in leaps and bounds -so I suppose I'll soon be able to regain that disk space :)
- -Besides that I rely on Icedove, Chromium, Terminator, Byobu, irssi, -git, Tomboy, KVM, VLC and LibreOffice. Recently I've been torn on -which desktop environment I like and I'm taking some refuge in Xfce -while I figure that out. I like tools that keep things simple. I enjoy -Python and shell scripting. I went to an Arduino workshop recently and -it was awesome seeing how easy and simple the IDE software was to get -up and running in Debian compared to the users running Windows and OS -X.
- -I also use mc which some people frown upon slightly. I got used to -using Norton Commander in the early 90's and it stuck (I think the -people who sneer at it is just jealous that they don't know how to use -it :p) - -
Which strategy do you believe is the right one to use to -get schools to use free software?
- -I think trying to force it is unproductive. I also think that in -many cases it's appropriate for schools to use non-free systems and I -don't think that there's any particular moral or ethical problem with -that.
- -I do think though that free software can already solve so so many -problems in educational institutions and it's just a shame not taking -advantage of that.
- -I also think that some curricula need serious review. For example, -some areas of the world rely heavily on very specific versions of MS -Office, teaching students to parrot menu items instead of learning the -general concepts. I think that's very unproductive because firstly, MS -Office's interface changes drastically every few years and on top of -that it also locks in a generation to a product that might not be the -best solution for them.
- -To answer your question, I believe that the right strategy is to -educate and inform, giving someone the information they require to -make a decision that would work for them.
+ +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.
When installing RedHat, Fedora, Debian and Ubuntu on some machines, -the screen just turn black when Linux boot, either during installation -or on first boot from the hard disk. I've seen it once in a while the -last few years, but only recently understood the cause. I've seen it -on HP laptops, and on my latest acquaintance the Packard Bell laptop. -The reason seem to be in the wiring of some laptops. The system to -control the screen background light is inverted, so when Linux try to -turn the brightness fully on, it end up turning it off instead. I do -not know which Linux drivers are affected, but this post is about the -i915 driver used by the -Packard Bell -EasyNote LV, Thinkpad X40 and many other laptops.
- -The problem can be worked around two ways. Either by adding -i915.invert_brightness=1 as a kernel option, or by adding a file in -/etc/modprobe.d/ to tell modprobe to add the invert_brightness=1 -option when it load the i915 kernel module. On Debian and Ubuntu, it -can be done by running these commands as root:
- --echo options i915 invert_brightness=1 | tee /etc/modprobe.d/i915.conf -update-initramfs -u -k all -- -
Since March 2012 there is -a -mechanism in the Linux kernel to tell the i915 driver which -hardware have this problem, and get the driver to invert the -brightness setting automatically. To use it, one need to add a row in -the -intel_quirks array in the driver source -drivers/gpu/drm/i915/intel_display.c (look for "static -struct intel_quirk intel_quirks"), specifying the PCI device -number (vendor number 8086 is assumed) and subdevice vendor and device -number.
- -My Packard Bell EasyNote LV got this output from lspci --vvnn for the video card in question:
+ +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:
-00:02.0 VGA compatible controller [0300]: Intel Corporation \ - 3rd Gen Core processor Graphics Controller [8086:0156] \ - (rev 09) (prog-if 00 [VGA controller]) - Subsystem: Acer Incorporated [ALI] Device [1025:0688] - Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- \ - ParErr- Stepping- SE RR- FastB2B- DisINTx+ - Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- \ --SERR- [disabled] - Capabilities: - Kernel driver in use: i915 +#!/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
The resulting intel_quirks entry would then look like this:
+Next, fetch the latest vmdebootstrap script and call it like this +to build the image:
--struct intel_quirk intel_quirks[] = { - ... - /* Packard Bell EasyNote LV11HC needs invert brightness quirk */ - { 0x0156, 0x1025, 0x0688, quirk_invert_brightness }, - ... -} ++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-According to the kernel module instructions (as seen using -modinfo i915), information about hardware needing the -invert_brightness flag should be sent to the -dri-devel -(at) lists.freedesktop.org mailing list to reach the kernel -developers. But my email about the laptop sent 2013-06-03 have not -yet shown up in -the -web archive for the mailing list, so I suspect they do not accept -emails from non-subscribers. Because of this, I sent my patch also to -the Debian bug tracking system instead as -BTS report #710938, to make -sure the patch is not lost.
- -Unfortunately, it is not enough to fix the kernel to get Laptops -with this problem working properly with Linux. If you use Gnome, your -worries should be over at this point. But if you use KDE, there is -something in KDE ignoring the invert_brightness setting and turning on -the screen during login. I've reported it to Debian as -BTS report #711237, and -have no idea yet how to figure out exactly what subsystem is doing -this. Perhaps you can help? Perhaps you know what the Gnome -developers did to handle this, and this can give a clue to the KDE -developers? Or you know where in KDE the screen brightness is changed -during login? If so, please update the BTS report (or get in touch if -you do not know how to update BTS).
+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.
The third wheezy based alpha release of Debian Edu was wrapped up -today. This is the release announcement:
- -New features for Debian Edu 7.0.0 alpha2 released -2013-06-10
- -This is the release notes for for Debian Edu / Skolelinux 7.0.0 edu -alpha2, 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. Immediately after installation a school server running all -services needed for a school network is set up just waiting for users -and machines being added via GOsa², a comfortable Web-UI. A netbooting -environment is prepared using PXE, so after initial installation of -the main server from CD, DVD or USB stick all other machines can be -installed via the network. The provided school server provides LDAP -database and Kerberos authentication service, centralized home -directories, DHCP server, web proxy and many other services. The -desktop contains -more -than 60 educational software packages and more are available from -the Debian archive, and schools can choose between KDE, Gnome, LXDE -and Xfce desktop environment.
- -This is the third test release based on Debian Wheezy. Basically -this is an updated and slightly improved version compared to the -Squeeze release.
- -Software updates
- --
-
-
- Iceweasel was updated from 10 to 17. (DSA 2699-1) -
- Updated libxv (DSA-2674), libxvmc (DSA-2675), libxfixes (DSA-2676), libxrender (DSA-2677), mesa (DSA-2678), xserver-xorg-video-openchrome (DSA-2679), libxt (DSA-2680), libxcursor (DSA-2681), libxext (DSA-2682), libxi (DSA-2683), libxrandr (DSA-2684), libxp (DSA-2685), libxcb (DSA-2686), libfs (DSA-2687), libxres (DSA-2688), libxtst (DSA-2689), libxxf86dga (DSA-2690), libxinerama (DSA-2691), libxxf86vm (DSA-2692), libx11 (DSA-2693), chromium-browser (DSA-2695), gnutls26 (DSA-2697), wireshark (DSA-2700), krb5 (DSA-2701), telepathy-gabble (DSA-2702) and subversion (DSA-2703). -
- Switched xrdp on thin client servers to use tightvncserver instead of xvnc4. -
- Now install software oscilloscope xoscope by default. -
- Now install music tools gtick, lingot and pianobooster by default. - -
Other changes
- --
-
-
- The subnet-change script is now able to change all files needing a change on the main-server when changing the IP network used. -
- Updated translation of the installation. -
- New Romanian translation. -
- Fix security problem causing root and first user password to no longer show up in /var/cache/debconf/templates.dat. -
- Fix roaming workstation setup (Closed in libpam-mklocaluser/0.8, libpam-mklocaluser/0.8~deb7u1: #706753: libpam-mklocaluser: Fail to create local user during first login). -
- Made roaming workstation setup more robust in non-Debian Edu environments. -
- New script debian-edu-bless to transform a Debian installation to a Debian Edu profile. -
- Adjust Iceweasel setup to improve performance when $HOME is on NFS. -
- More testsuite tests. -
- Make automatic proxy configuration more robust. -
- Adjust GOsa² GUI configuration. - -
- Update thin client and diskless workstation setup to work with -LTSP in Wheezy. - -
- Diskless workstations now run out of the box -- no need to set -them up with GOsa². - -
- Update IMAP server setup. - -
- Fix login into Skolelinux Backup Tool (Closed in -slbackup-php/0.4.4-1: #700257: slbackup-php: Fails to submit correctly -entered password). - -
Known issues
- --
-
-
- DVD binary and source images are not yet ready. - -
- No mass import of user account data in GOsa (ldif or csv) -available yet (Open in gosa/2.7.4-4: #698840: gosa-plugin-ldapmanager: -missing import feature). - -
- Missing artwork for the KDE desktop (and probably a few others). - -
- KDE Debian submenu lacks icons (Closed: #502192: menu-xdg: invents -own icon names instead of using existing). This will remain -unfixed. - -
Where to get it
- -To download the multiarch netinstall CD release you can use
- --
-
-
- ftp://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.0+edu0~a2-CD.iso - -
- http://ftp.skolelinux.org/skolelinux-cd/wheezy/debian-edu-7.0+edu0~a2-CD.iso - -
- rsync -avzP ftp.skolelinux.org::skolelinux-cd/wheezy/debian-edu-7.0+edu0~a2-CD.iso . - -
The MD5SUM of this image is: 27bbcace407743382f3c42c08dbe8178
-
The SHA1SUM of this image is: e35f7d7908566cd3075375b3721fa10ee420d419
How to report bugs
- -http://wiki.debian.org/DebianEdu/HowTo/ReportBugs +
+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.
Here is a call for help from the Debian Edu / Skolelinux project. -We have two problems blocking the release of the Wheezy version we -hope to get released soon. The two problems require some with PHP -skills, and we seem to lack anyone with both time and PHP skills in -the project: - -
-
-
-
- It is impossible to log into the slbackup web interface - (slbackup-php) using the root user and password. This is - BTS report #700257. - This used to work, but stopped working some time since Squeeze. - Perhaps some obsolete PHP feature was used? - -
- It is not possible to "mass import" user lists in Gosa, neither - using ldif nor using CSV files. The feature was disabled after a - major rewrite of Gosa, and need to be ported to the new system. - This is BTS report - #698840. - -
If you can help us, please join us on IRC -(#debian-edu on -irc.debian.org) and provide patches via the BTS.
+ +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:
+ +Supplier | Model | NOK |
---|---|---|
Teknikkmagasinet | Raspberry Pi model B | 349.90 |
Teknikkmagasinet | Raspberry Pi type B case | 99.90 |
Lefdal | Jensen Air:Link 25150 | 295.- |
Clas Ohlson | Kingston 16 GB SD card | 199.- |
Total cost | 943.80 |
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. :)
It has been a while since my last English -Debian Edu and Skolelinux -interview last November. But the developers and translators are still -pulling along to get the Wheezy based release out the door, and this -time I managed to get an interview from one of the French translators -in the project, Cédric Boutillier.
- -Who are you, and how do you spend your days?
- -I am 34 year old. I live near Paris, France. I am an assistant -professor in probability theory. I spend my daytime teaching -mathematics at the university and doing fundamental research in -probability in connexion with combinatorics and statistical physics.
- -I have been involved in the Debian project for a couple of years -and became Debian Developer a few months ago. I am working on Ruby -packaging, publicity and translation.
- -How did you get in contact with the Skolelinux / Debian Edu -project?
- -I came to the Debian Edu project after a call for translation of -the -Debian Edu manual for the release of Debian Edu Squeeze. Since -then, I have been working on updating the French translation of the -manual. - -
I had the opportunity to make an installation of Debian Edu in a -virtual machine when I was preparing localised version of some screen -shots for the manual. I was amazed to see it worked out of the box and -how comprehensive the list of software installed by default was.
- -What amazed me was the complete network infrastructure directly -ready to use, which can and the nice administration interface provided -by GOsa². What pleased -me also was the fact that among the software installed by default, -there were many "traditional" educative software to learn languages, -to count, to program... but also software to develop creativity and -artistic skills with music (Ardour, -Audacity) and -movies/animation (I was especially thinking of -Stopmotion).
- -I am following the development of Debian Edu and am hanging out on -#debian-edu. -Unfortunately, I don't much time to get more involved in this -beautiful project.
- -What do you see as the advantages of Skolelinux / Debian -Edu?
- -For me, the main advantages of Skolelinux/Debian Edu are its -community of experts and its precise documentation, as well as the -fact that it provides a solution ready to use.
- -I would add also the fact that it is based on the rock solid Debian -distribution, which ensures stability and provides a huge collection -of educational free software.
- -What do you see as the disadvantages of Skolelinux / Debian -Edu?
- -Maybe the lack of manpower to do lobbying on the -project. Sometimes, people who need to take decisions concerning IT do -not have all the elements to evaluate properly free software -solutions. The fact that support by a company may be difficult to find -is probably a problem if the school does not have IT personnel.
- -One can find support from a company by looking at -the -wiki dokumentation, where some countries already have a number of -companies providing support for Debian Edu, like Germany or -Norway. This list is easy to find readily from the manual. However, -for other countries, like France, the list is empty. I guess that -consultants proposing support for Debian would be able to provide some -support for Debian Edu as well.
- -Which free software do you use daily?
- -I am using the KDE Plasma Desktop. But the pieces of software I use -most runs in a terminal: Mutt and OfflineIMAP for emails, latex for -scientific documents, mpd for music. VIM is my editor of choice. I am -also using the mathematical software -Scilab and -Sage (built from -source as not completely packaged for Debian, yet). - -
Do you have any suggestions for teachers interested in -using the free software in Debian to teach mathematics and -statistics?
- -I do not have any "nice" recommendations for statistics. At our -university, we use both R and -Scilab to teach statistics and probabilistic simulations. For -geometry, there are nice programs:
- --
-
-
- drgeo and -kig to do -constructions in planar geometry - -
- kali -to discover symmetry groups (the so-called wallpapers and frieze -groups), although the interface looks a bit old. - -
I like also -cantor, which -provides a uniform interface to SciLab, Sage, -Octave, etc...
- -Which strategy do you believe is the right one to use to -get schools to use free software?
- -My suggestions would be to
- --
-
-
- advertise the reduction of costs when free software is used. - -
- communicate about the quality of free software projects, using - well known examples like Firefox, ThunderBird and - OpenOffice.org/LibreOffice. - -
- advertise the living and strong community around the project. - -
- show that it is not more difficult to use than any other - system. - -
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.
Jeg jobber til daglig ved Universitetet -i Oslo, en institusjon som lenge har vektlagt verdien av åpne -standarder og fri programvare. Men noe har endret seg, og for en -liten stund tilbake annonserte USIT at dagens fungerende e-postsystemet -basert på fri programvare skulle byttes ut med Microsoft Exchange og -at Microsoft Outlook skulle bli den best fungerende men antagelig ikke -eneste støttede e-postklienten. Annonseringen har ført til flere -protester og en -underskriftskampanje, initiert av Diana Santos, der så langt 253 -personer har signert. Prosjektet -NIKE (Ny integrert -kalender/e-post) ble initiert for å se på mulige løsninger med -utgangspunkt i at en kombinert epost/kalenderløsning var påkrevd, og -prosjektet -NIKE-implementasjon -er igang med å rulle ut MS Exchange ved Universitetet i Oslo.
- -For kun kort tid siden ble det annonsert at det blir et åpent møte -med ledelsen hos universitetet i Oslo med disse planene som tema:
- -Tid: Onsdag 2013-06-05 kl. 10:00
-
Sted: 9. etasje i Lucy Smiths hus (admin-bygget)
Det kan være en god plass å stille opp hvis en som meg ikke tror -valget av Microsoft Exchange som sentral epostinfrastruktur er et -heldig valg for Norges ledende forskningsuniversitet, men at en er mer -tjent med å selv -beholde -kontrollen over egen infrastruktur.
- -Saken har ført til endel presseoppslag så langt. Her er de jeg har -fått med meg:
- --
-
-
- 2013-05-29 - Forsvarer - nytt IT-system - Universitas - -
- 2013-05-23 - UiO - innfører nytt epost- og kalenderverktøy - Uniforum - - -
- 2013-05-22 - Protestgruppe - vil stanse IT-system - Universitas - - -
- 2013-05-15 - UiO - må ha kontroll over sitt eget epostsystem - Uniforum - -
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.
Included in Debian Edu / -Skolelinux, there are quite a lot of educational software. -Created to help teachers teach, and pupils learn. We have tried to -tag them all using debtags use::learning and role::program, and using -the debtags I was happy to be able to create a collage of the -educational software packages installed by default, sorted by the -debtag field. Here it is. Click on a image to learn more about the -program.
- - - -field::arts
- - -field::astronomy
- - -field::biology:structural
- - -field::chemistry
-
-
-
-
-
-
-
-
-
-
-[viewmol]
-
-
field::electronics
-
-
-[gpsim]
-
field::geography
- - -field::linguistics
- - -field::mathematics
-
-
-
-
-
-[geomview]
-
-
-
-
-
-
-
-
-
-
-
-
-
field::physics
- - -field::TODO
- - -In total, 61 applications. 3 of them lacked screen shots on -screenshot.debian.net. If -you know of some packages we should install by default, please let us -know on IRC, #debian-edu -on irc.debian.org, or our -mailing list -debian-edu@.
+ +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:
+ +Setting | Value |
---|---|
Protocol / kernel module | batman-adv |
ESSID | meshfx@hackeriet | Channel / Frequency | 11 / 2462 | +Cell ID | 02:BA:00:00:00:01 | +
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.
Two days ago, I asked -how -I could install Linux on a Packard Bell EasyNote LV computer -preinstalled with Windows 8. I found a solution, but am horrified -with the obstacles put in the way of Linux users on a laptop with UEFI -and Windows 8.
- -I never found out if the cause of my problems were the use of UEFI -secure booting or fast boot. I suspect fast boot was the problem, -causing the firmware to boot directly from HD without considering any -key presses and alternative devices, but do not know UEFI settings -enough to tell.
- -There is no way to install Linux on the machine in question without -opening the box and disconnecting the hard drive! This is as far as I -can tell, the only way to get access to the firmware setup menu -without accepting the Windows 8 license agreement. I am told (and -found description on how to) that it is possible to configure the -firmware setup once booted into Windows 8. But as I believe the terms -of that agreement are completely unacceptable, accepting the license -was never an alternative. I do not enter agreements I do not intend -to follow.
- -I feared I had to return the laptops and ask for a refund, and -waste many hours on this, but luckily there was a way to get it to -work. But I would not recommend it to anyone planning to run Linux on -it, and I have become sceptical to Windows 8 certified laptops. Is -this the way Linux will be forced out of the market place, by making -it close to impossible for "normal" users to install Linux without -accepting the Microsoft Windows license terms? Or at least not -without risking to loose the warranty?
- -I've updated the -Linux Laptop -wiki page for Packard Bell EasyNote LV, to ensure the next person -do not have to struggle as much as I did to get Linux into the -machine.
- -Thanks to Bob Rosbag, Florian Weimer, Philipp Kern, Ben Hutching, -Michael Tokarev and others for feedback and ideas.
+ +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. :)
I've run into quite a problem the last few days. I bought three -new laptops for my parents and a few others. I bought Packard Bell -Easynote LV to run Kubuntu on and use as their home computer. But I -am completely unable to figure out how to install Linux on it. The -computer is preinstalled with Windows 8, and I suspect it uses UEFI -instead of a BIOS to boot.
- -The problem is that I am unable to get it to PXE boot, and unable -to get it to boot the Linux installer from my USB stick. I have yet -to try the DVD install, and still hope it will work. when I turn on -the computer, there is no information on what buttons to press to get -the normal boot menu. I expect to get some boot menu to select PXE or -USB stick booting. When booting, it first ask for the language to -use, then for some regional settings, and finally if I will accept the -Windows 8 terms of use. As these terms are completely unacceptable to -me, I have no other choice but to turn off the computer and try again -to get it to boot the Linux installer.
- -I have gathered my findings so far on a Linlap page about the -Packard Bell -EasyNote LV model. If you have any idea how to get Linux -installed on this machine, please get in touch or update that wiki -page. If I can't find a way to install Linux, I will have to return -the laptop to the seller and find another machine for my parents.
- -I wonder, is this the way Linux will be forced out of the market -using UEFI and "secure boot" by making it impossible to install Linux -on new Laptops?
+ +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 +the Debian News +section, translated to several languages. Please check it out.
+ +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).
En ting -Skolelinux-prosjektet har -hatt mye glede av er studentprosjekter. F.eks. er -stillbildeanimasjonssystemet -Stopmotion resultat av et studentprosjekt i Skolelinux. De siste -månedene har en ivrig student veiledet av Marius Kotsbak i -FRiSK testet hva en -kan få til med en datamaskin til NOK 400,- (antagelig 1700,- med -skjerm, tastatur og mus) når det brukes i Skolelinux. Jeg spurte han -om et intervju.
- -Hvem er du, og hva driver du med til daglig?
- -Jeg heter Nirosan Thiyagalingam. Jeg er 24 år og studerer -dataingeniør studiet ved Høgskolen i Sør Trøndelag. Interessen for -data har siden ung alder vært tilstede og jeg har i tillegg alltid -vært glad i å lære nye ting. Med teknologi som endres svært hurtig er -det alltid noe nytt å lære. Noe som igjen har gjort det svært -interessant å følge med på utviklingen. Jeg valgte dataingeniør -studiet grunnet ønske om å lære enda mer om programmering og utvikling -av store systemer.
- -Hvordan kom du i kontakt med Skolelinux-prosjektet?
- -Skolelinux prosjektet hørte jeg først om i media. Men det var først -når jeg skulle velge bacheloroppgave at jeg fattet mer interesse for -prosjektet. Et enkelt søk på nettet førte meg til skolelinux sine -hjemmesider. Informasjonen jeg fant der gjorde meg enda nysgjerrig og -jeg valgte derfor en oppgave som gikk ut på å få en -Raspberry PI. Altså en -ultra-billig datamaskin til å kjøre Debian Edu på lik linje med -vanlige datamaskiner. I løpet av prosjektet ble det gjort mye -forskning på nettet. Det var mye jeg måtte forstå rundt hvordan -operativsystemet Linux fungerte før jeg kunne angripe -problemet. Prøvde først å finne ut hvordan man kunne transformere en -vanlig installasjon av Skolelinux til Raspberry PI, men dette var -altfor vanskelig å jeg endte opp med mer spørsmål enn svar. Det ble -videre opprettet kontakt med Skolelinux utviklere på IRC der jeg fikk -diskutert hvilken retning jeg burde gå for å få til en fullverdig -løsning. Det ble bestemt at jeg skulle gå for å først installere -Raspian. Dette er et -operativsystem basert på Debian spesiallaget for Raspberry Pi sin -maskinvare. Nå som Debian var installert på datamaskinen gjenstod det -å installere de nødvendige Skolelinux pakkene for å få til et -fullverdig system. Disse pakkene ble installert manuelt i første -omgang, men ble senere installert automatisk via et script som Petter -Reinholdtsen laget. Dette scriptet er så enkel å bruke at man er i -gang med installasjonen i løpet av bare 5 minutter. Ikke nok med det, -alt skjer helt automatisk. Alt i alt er jeg veldig fornøyd med -resultatet av installasjonsprosessen. Raspberry Pi er en veldig svak -maskin og det merkes godt når man har installert Skolelinux på -den. Video og 3D-rendering fungerer utrolig dårlig, men nettsurfing og -kontorprogrammer fungerer godt. Det kan derfor konkluderes med at -datamaskinen er egnet for enkle oppgaver. - -
Jeg syns det er viktig påpeke at dette kun er startfasen av en slik -løsning. På markedet finnes det nå maskiner som har bedre hardware enn -Raspberry Pi. Det er store muligheter for at man kan klare å -installere Skolelinux på disse også, og da forsvinner nok mest -sannsynlig ytelsesproblemene med Video og 3D rendering også.
- -Det ble også prøvd med en løsning som gjorde at Raspberry Pi -fungerte som en tynnklient. Denne løsningen hadde langt bedre ytelse -med tanke på hastighet og brukeropplevelse. Men også her var video og -3D rendering dårlig. Det ble brukt en liten Linux distribusjon kalt -BerryTerminal for å få til -dette.
- -Hva er fordelene med Skolelinux slik du ser det?
- -Fordelen med Skolelinux er mange. At det er gratis er en stor -fordel, men at det er så mange som er med på å utvikle det og -vedlikeholde det er en enda større fordel. Allerede før jeg startet -med prosjektet så jeg mange fordeler, og når jeg nærmet meg sluttfasen -så jeg langt flere. At prosjektet skulle inneha en så høy kvalitet -hadde jeg aldri trodd. En vanlig Skolelinux installasjon har de -nødvendige programmene og funksjonen som både små og store skoler i -tillegg til organisasjoner kan klare seg med. At prosjektet tilbyr en -så komplett løsning er en kjempefordel. Installasjonen er knirkefri -og det er svært enkelt å installere og komme i gang.
- -Hva er ulempene med Skolelinux slik du ser det?
- -Ulempene jeg ser med prosjektet er ryddigheten av websidene. Selv -om websidene er enkle og konsise er det allikevel ikke appellerende i -like stor grad som for eksempel -Ubuntu sine sider. Deres side -tilbyr, i tillegg til godt design og presentasjon, en nettbasert -emulator av deres operativsystem. Dette er en stor fordel slik jeg ser -det. Bortsett fra dette ser jeg absolutt ingen ulemper med -Skolelinux-prosjektet.
- -Hvilken fri programvare bruker du til daglig?
- -Til daglig er jeg en flittig bruker av det åpne media -sentersystemet XBMC. Det enorme -samfunnet rundt dette prosjektet har gjort dette til et program som -dekker alles behov. Man kan tilpasse det akkurat slik man vil både med -tanke på utseende og funksjoner ved installere plug-ins eller -scripts.
- -Hvilken strategi tror du er den rette å bruke for å få -skoler til å ta i bruk fri programvare?
- -Strategien som burde brukes sett fra mine øyne er -markedsføring. Jeg er sikker på at om flere skoler fikk et lite innsyn -i hvor bra Skolelinux er så ville de ikke nølt med å gå over fra noe -annet som koster de store summer. At skolelinux til de grader tilbyr -en så komplett løsning bure komme frem. Enten via reklamekampanjer -eller ved å sende ut folk til skoler for så å la skolenettverk -ansvarlige få teste ut hvordan Skolelinux fungerer i praksis. Om det -i tillegg ble utviklet gode websider og en emulator for å la brukere -prøve operativsystemet ville nok dette ha styrket inntrykket -betraktelig.
+ +The Freedombox +project 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.
+ +-
+
+
- FreedomBox - +2,5 minute marketing film (Youtube) + +
- Eben Moglen +discusses the Freedombox on CBS news 2011 (Youtube) + +
- 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 +(Youtube) + +
- Fosdem 2011 +Keynote by Eben Moglen presenting the Freedombox (Youtube) + +
- Presentation of +the Freedombox by James Vasile at Elevate in Gratz 2011 (Youtube) + +
- Freedombox - +Discovery, Identity, and Trust by Nick Daly at Freedombox Hackfest New +York City in 2012 (Youtube) + +
- Introduction +to the Freedombox at Freedombox Hackfest New York City in 2012 +(Youtube) + +
- Freedom, Out +of the Box! by Bdale Garbee at linux.conf.au Ballarat, 2012 (Youtube) + +
- Freedombox +1.0 by Eben Moglen and Bdale Garbee at Fosdem 2013 (FOSDEM) + +
- What is the +FreedomBox today by Bdale Garbee at Debconf13 in Vaumarcus +2013 (Youtube) + +
A larger list is available from +the +Freedombox Wiki.
+ +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 IRC +(#freedombox on irc.debian.org) and +the +mailing list if you want to help make this vision come true.