X-Git-Url: http://pere.pagekite.me/gitweb/homepage.git/blobdiff_plain/48b5c78ca0efb7f492647c870cc7b883060b36d1..36333ec27f47ab5d2ab684508b3b51beb95daf78:/blog/archive/2013/07/index.html diff --git a/blog/archive/2013/07/index.html b/blog/archive/2013/07/index.html index 7c5e0095e6..99f10d641f 100644 --- a/blog/archive/2013/07/index.html +++ b/blog/archive/2013/07/index.html @@ -23,58 +23,609 @@
- Mer innsyn i bakgrunnen for fjerning av ODF fra statens standardkatalog + First beta release of Debian Edu/Skolelinux based on Debian Wheezy
- 9th July 2013 + 27th July 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:

+

The first wheezy based beta release of Debian Edu was wrapped up +today. This is the release announcement:

+ +

New features for Debian Edu 7.1+edu0~b0 released +2013-07-27

+ +

These are the release notes for for Debian Edu / Skolelinux +7.1+edu0~b0, 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 fifth test release based on Debian Wheezy. Basically +this is an updated and slightly improved version compared to the +Squeeze release.

+ +

ALERT: Alpha based installations should reinstall or downgrade the +versions of gosa and libpam-mklocaluser to the ones used in this beta +release.

+ +

Software updates

+ + + +

Other changes

+ +

Known issues

-
  • vedlegg 1, Oppsummering og anbefalinger etter høring av endringer i forskrift om IT-standarer i offentlig forvaltning, datert 2012-11-23
    • + -

    Det bør nevnes at da jeg ble nektet innsyn hos mottaker Fornyingsdepartementet på -høringsdokumentene 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. :) Her er de -tilsvarende dokumentene jeg fikk innsyn i fra DIFI:

    +

    Where to get it

    + +

    To download the multiarch netinstall CD release you can use

    + +

    The MD5SUM of this image is: 55d5de9765b6dccd5d9ec33cf1a07109 +
    The SHA1SUM of this image is: 996a1d9517740e4d627d100de2d12b23dd545a3f

    + +

    To download the multiarch USB stick ISO release you can use

    + + -

    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 MD5SUM of this image is: d8f0818c51a78d357de794066f289f69 +
    The SHA1SUM of this image is: 49185ca354e8d0543240423746924f76a6cee733

    + + +

    How to report bugs

    + +

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

    - Tags: norsk, standard. + Tags: debian edu, english. + + +
    +
    +
    + +
    +
    + How to fix a Thinkpad X230 with a broken 180 GB SSD disk +
    +
    + 17th July 2013 +
    +
    +

    Today I switched to +my +new laptop. I've previously written about the problems I had with +my new Thinkpad X230, which was delivered with an +180 +GB Intel SSD disk with Lenovo firmware that did not handle +sustained writes. My hardware supplier have been very forthcoming in +trying to find a solution, and after first trying with another +identical 180 GB disks they decided to send me a 256 GB Samsung SSD +disk instead to fix it once and for all. The Samsung disk survived +the installation of Debian with encrypted disks (filling the disk with +random data during installation killed the first two), and I thus +decided to trust it with my data. I have installed it as a Debian Edu +Wheezy roaming workstation hooked up with my Debian Edu Squeeze main +server at home using Kerberos and LDAP, and will use it as my work +station from now on.

    + +

    As this is a solid state disk with no moving parts, I believe the +Debian Wheezy default installation need to be tuned a bit to increase +performance and increase life time of the disk. The Linux kernel and +user space applications do not yet adjust automatically to such +environment. To make it easier for my self, I created a draft Debian +package ssd-setup to handle this tuning. The +source +for the ssd-setup package is available from collab-maint, and it +is set up to adjust the setup of the machine by just installing the +package. If there is any non-SSD disk in the machine, the package +will refuse to install, as I did not try to write any logic to sort +file systems in SSD and non-SSD file systems.

    + +

    I consider the package a draft, as I am a bit unsure how to best +set up Debian Wheezy with an SSD. It is adjusted to my use case, +where I set up the machine with one large encrypted partition (in +addition to /boot), put LVM on top of this and set up partitions on +top of this again. See the README file in the package source for the +references I used to pick the settings. At the moment these +parameters are tuned:

    + + + +

    During installation, I cancelled the part where the installer fill +the disk with random data, as this would kill the SSD performance for +little gain. My goal with the encrypted file system is to ensure +those stealing my laptop end up with a brick and not a working +computer. I have no hope in keeping the really resourceful people +from getting the data on the disk (see +XKCD #538 for an explanation why). +Thus I concluded that adding the discard option to crypttab is the +right thing to do.

    + +

    I considered using the noop I/O scheduler, as several recommended +it for SSD, but others recommended deadline and a benchmark I found +indicated that deadline might be better for interactive use.

    + +

    I also considered using the 'discard' file system option for ext3 +and ext4, but read that it would give a performance hit ever time a +file is removed, and thought it best to that that slowdown once a day +instead of during my work.

    + +

    My package do not set up tmpfs on /var/run, /var/lock and /tmp, as +this is already done by Debian Edu.

    + +

    I have not yet started on the user space tuning. I expect +iceweasel need some tuning, and perhaps other applications too, but +have not yet had time to investigate those parts.

    + +

    The package should work on Ubuntu too, but I have not yet tested it +there.

    + +

    As for the answer to the question in the title of this blog post, +as far as I know, the only solution I know about is to replace the +disk. It might be possible to flash it with Intel firmware instead of +the Lenovo firmware. But I have not tried and did not want to do so +without approval from Lenovo as I wanted to keep the warranty on the +disk until a solution was found and they wanted the broken disks +back.

    + +
    +
    + + + Tags: debian, english. + + +
    +
    +
    + +
    +
    + Intel SSD 520 Series 180 GB with Lenovo firmware still lock up from sustained writes +
    +
    + 10th July 2013 +
    +
    +

    A few days ago, I wrote about +the +problems I experienced with my new X230 and its SSD disk, which +was dying during installation because it is unable to cope with +sustained write. My supplier is in contact with +Lenovo, and they wanted to send a +replacement disk to try to fix the problem. They decided to send an +identical model, so my hopes for a permanent fix was slim.

    + +

    Anyway, today I got the replacement disk and tried to install +Debian Edu Wheezy with encrypted disk on it. The new disk have the +same firmware version as the original. This time my hope raised +slightly as the installation progressed, as the original disk used to +die after 4-7% of the disk was written to, while this time it kept +going past 10%, 20%, 40% and even past 50%. But around 60%, the disk +died again and I was back on square one. I still do not have a new +laptop with a disk I can trust. I can not live with a disk that might +lock up when I download a new +Debian Edu / Skolelinux ISO or +other large files. I look forward to hearing from my supplier with +the next proposal from Lenovo.

    + +

    The original disk is marked Intel SSD 520 Series 180 GB, +11S0C38722Z1ZNME35X1TR, ISN: CVCV321407HB180EGN, SA: G57560302, FW: +LF1i, 29MAY2013, PBA: G39779-300, LBA 351,651,888, LI P/N: 0C38722, +Pb-free 2LI, LC P/N: 16-200366, WWN: 55CD2E40002756C4, Model: +SSDSC2BW180A3L 2.5" 6Gb/s SATA SSD 180G 5V 1A, ASM P/N 0C38732, FRU +P/N 45N8295, P0C38732.

    + +

    The replacement disk is marked Intel SSD 520 Series 180 GB, +11S0C38722Z1ZNDE34N0L0, ISN: CVCV315306RK180EGN, SA: G57560-302, FW: +LF1i, 22APR2013, PBA: G39779-300, LBA 351,651,888, LI P/N: 0C38722, +Pb-free 2LI, LC P/N: 16-200366, WWN: 55CD2E40000AB69E, Model: +SSDSC2BW180A3L 2.5" 6Gb/s SATA SSD 180G 5V 1A, ASM P/N 0C38732, FRU +P/N 45N8295, P0C38732.

    + +

    The only difference is in the first number (serial number?), ISN, +SA, date and WNPP values. Mentioning all the details here in case +someone is able to use the information to find a way to identify the +failing disk among working ones (if any such working disk actually +exist).

    + +
    +
    + + + Tags: debian, english. + + +
    +
    +
    + +
    +
    + July 13th: Debian/Ubuntu BSP and Skolelinux/Debian Edu developer gathering in Oslo +
    +
    + 9th July 2013 +
    +
    +

    The upcoming Saturday, 2013-07-13, we are organising a combined +Debian Edu developer gathering and Debian and Ubuntu bug squashing +party in Oslo. It is organised by the +member assosiation NUUG and +the Debian Edu / Skolelinux +project together with the hack space +Bitraf.

    + +

    It starts 10:00 and continue until late evening. Everyone is +welcome, and there is no fee to participate. There is on the other +hand limited space, and only room for 30 people. Please put your name +on the event +wiki page if you plan to join us.

    + +
    +
    + + + Tags: debian, debian edu, english, nuug. + + +
    +
    +
    + +
    +
    + The Thinkpad is dead, long live the Thinkpad X230? +
    +
    + 5th July 2013 +
    +
    +

    Half a year ago, I reported that I had to find a +replacement +for my trusty old Thinkpad X41. Unfortunately I did not have much +time to spend on it, and it took a while to find a model I believe +will do the job, but two days ago the replacement finally arrived. I +ended up picking a +Thinkpad X230 +with SSD disk (NZDAJMN). I first test installed Debian Edu Wheezy as +a roaming workstation, and it seemed to work flawlessly. But my +second installation with encrypted disk was not as successful. More +on that below.

    + +

    I had a hard time trying to track down a good laptop, as my most +important requirements (robust and with a good keyboard) are never +listed in the feature list. But I did get good help from the search +feature at Prisjakt, which +allowed me to limit the list of interesting laptops based on my other +requirements. A bit surprising that SSD disk are not disks according +to that search interface, so I had to drop specifying the number of +disks from my search parameters. I also asked around among friends to +get their impression on keyboards and robustness.

    + +

    So the new laptop arrived, and it is quite a lot wider than the +X41. I am not quite convinced about the keyboard, as it is +significantly wider than my old keyboard, and I have to stretch my +hand a lot more to reach the edges. But the key response is fairly +good and the individual key shape is fairly easy to handle, so I hope +I will get used to it. My old X40 was starting to fail, and I really +needed a new laptop now. :)

    + +

    Turning off the touch pad was simple. All it took was a quick +visit to the BIOS during boot it disable it.

    + +

    But there is a fatal problem with the laptop. The 180 GB SSD disk +lock up during load. And this happen when installing Debian Wheezy +with encrypted disk, while the disk is being filled with random data. +I also tested to install Ubuntu Raring, and it happen there too if I +reenable the code to fill the disk with random data (it is disabled by +default in Ubuntu). And the bug with is already known. It was +reported to Debian as BTS +report #691427 2012-10-25 (journal commit I/O error on brand-new +Thinkpad T430s ext4 on lvm on SSD). It is also reported to the Linux +kernel developers as +Kernel bugzilla +report #51861 2012-12-20 (Intel SSD 520 stops working under load +(SSDSC2BW180A3L in Lenovo ThinkPad T430s)). It is also reported on the +Lenovo forums, both for +T430 +2012-11-10 and for +X230 +03-20-2013. The problem do not only affect installation. The +reports state that the disk lock up during use if many writes are done +on the disk, so it is much no use to work around the installation +problem and end up with a computer that can lock up at any moment. +There is even a +small C program +available that will lock up the hard drive after running a few +minutes by writing to a file.

    + +

    I've contacted my supplier and asked how to handle this, and after +contacting PCHELP Norway (request 01D1FDP) which handle support +requests for Lenovo, his first suggestion was to upgrade the disk +firmware. Unfortunately there is no newer firmware available from +Lenovo, as my disk already have the most recent one (version LF1i). I +hope to hear more from him today and hope the problem can be +fixed. :)

    + +
    +
    + + + Tags: debian, english. + + +
    +
    +
    + +
    +
    + The Thinkpad is dead, long live the Thinkpad X230 +
    +
    + 4th July 2013 +
    +
    +

    Half a year ago, I reported that I had to find a replacement for my +trusty old Thinkpad X41. Unfortunately I did not have much time to +spend on it, but today the replacement finally arrived. I ended up +picking a Thinkpad +X230 with SSD disk (NZDAJMN). I first test installed Debian Edu +Wheezy as a roaming workstation, and it worked flawlessly. As I write +this, it is installing what I hope will be a more final installation, +with a encrypted hard drive to ensure any dope head stealing it end up +with an expencive door stop.

    + +

    I had a hard time trying to track down a good laptop, as my most +important requirements (robust and with a good keyboard) are never +listed in the feature list. But I did get good help from the search +feature at Prisjakt, which +allowed me to limit the list of interesting laptops based on my other +requirements. A bit surprising that SSD disk are not disks, so I had +to drop number of disks from my search parameters.

    + +

    I am not quite convinced about the keyboard, as it is significantly +wider than my old keyboard, and I have to stretch my hand a lot more +to reach the edges. But the key response is fairly good and the +individual key shape is fairly easy to handle, so I hope I will get +used to it. My old X40 was starting to fail, and I really needed a +new laptop now. :)

    + +

    I look forward to figuring out how to turn off the touch pad.

    + +
    +
    + + + Tags: debian, english. + + +
    +
    +
    + +
    +
    + Fourth alpha release of Debian Edu/Skolelinux based on Debian Wheezy +
    +
    + 3rd July 2013 +
    +
    +

    The fourth wheezy based alpha release of Debian Edu was wrapped up +today. This is the release announcement:

    + +

    New features for Debian Edu 7.1+edu0~alpha3 released +2013-07-03

    + +

    These are the release notes for for Debian Edu / Skolelinux +7.1+edu0~alpha3, 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 fourth test release based on Debian Wheezy. 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: 2b161a99d2a848c376d8d04e3854e30c +
    The SHA1SUM of this image is: 498922e9c508c0a7ee9dbe1dfe5bf830d779c3c8

    + +

    To download the multiarch USB stick ISO release you can use

    + + +

    The MD5SUM of this image is: 25e808e403a4c15dbef1d13c37d572ac +
    The SHA1SUM of this image is: 15ecfc93eb6b4f453b7eb0bc04b6a279262d9721

    + +

    How to report bugs

    + +

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

    + +
    +
    + + + Tags: debian edu, english.
    @@ -89,6 +640,46 @@ fra katalogen.

    Archive