Main page

Welcome to my homepage ! The official url is: http://xkr47.outerspace.dyndns.org/. The older url http://outerspace.dyndns.org/html/personal_pages/xkr47/ still works too. The url http://xkr47.dyndns.org/ also works, redirects to the official url.

News

07.09.2000: I redesigned my homepages. Less blabber and more stuff. Hope you enjoy it. (designed for 800x600)

31.10.2000: According to the news agency Nezz Corp, "simpanssit ulisee afrikan sademetsissä". The author of this page doesn't take any responsibility of the above statement. ;-)

17.11.2000: I fixed the configurations to go to separate pages and added the irclog page. Unfortunately, I still haven't had time to fill the configuration pages ;-(

02.01.2001: For all those Conan friends out there, I made this nice 8210-related logo suited for nokia mobile phones: . Use freely. Also, for Gfx2Nokia owners, grab this database file containing the logo. Note: uploading the database file overwrites the original database so make sure you backup the old one first.

05.03.2001: I finally got an 1024/384 ADSL connection installed at home so now it costs me only half of what my phone bills used to be.. ;-)

24.06.2001: I discovered a very interesting Linux distribution: Gentoo Linux. Kindof a combination of Linux from scratch + BSD ports + debian's aptget. I even got involved and started making packaging scripts..

01.07.2001: I moved my homepage to my home server. Long live the new url ;-)

02.11.2001: I added a list of patches I have made.

17.04.2002: I made a Euro character in HTML HOWTO page based on studies I have made.

09.03.2003: I started a Minihelp page where I aim to collect solutions to problems I encounter in daily computing..

15.04.2003: I started using the IMQ device for ingress traffic shaping, on which I threw the exact same rules that I used previously on egress traffic shaping. I hope to someday write a nice manual on the whole traffic control stuff. Until then, here's the current traffic control script I use: tc16. Older versions: tc15 and tc7. Also here is the traffic control script I use on the local LAN: tcint3

14.03.2004: Added a HOWTO page.

14.10.2004: Added a page with funny variations of swedish sayings.. "stekta ordspråk".

26.06.2005: Drew a graph showing the failure probabilities of various raid setups in png and svg formats. Say the probability of a single disk failing in 5 years is 50% on average and you want to know what the probability of a raid-5 disk setup (with 4 disks) failing. You then look up 50% on the x-axis and look up the y-axis value for the correct curve and you get approx 69% probability of the raid-5 disk setup failing.

26.06.2005: Added a page with the tools I use.

01.11.2005: Found a nice online scrabble game called Internet Scrabble Club.

10.03.2006: Added my spare-time project Plot to the list of programs.

23.03.2006: Added a howto for setting up boxbackup.

10.02.2007: I BOUGHT MY FIRST HOUSE! 47m², suitably matching my nick :)

19.02.2007: I discovered a great nerdy comic: http://xkcd.com/. The following comits represent me particularly well: 208 and 324. :)

30.10.2007: I subscribed to the LWN online magazine.

08.02.2008: I subscribed to the great Everyday Practical Electronics online magazine for $18.99 a year! What a bargain! Excellent articles about PIC programming and whatnot..

20.03.2008: After many years of senseless reasoning why I don't need a laser printer, I finally bought one - Konica Minolta magicolor 2550 EN.

Happenings & stuff

Tell the world you are against software patents, too.

My stuff

I spend quite some time on configuring my (computer) working environment. Here are the most useful ones I've configured (and had time to put up on the web):

Sometimes I even happen to make something useful. Here will be some of the software I've got done through the years:

Bus timetable for Palm Pilot (sorry not yet available)
IRC logger - logs traffic on irc channels like normal talk, /me lines, joins, leaves, etc.. into a (hopefully) easily parseable log file.
IRC Print - prints data from standard input into the selected channel with the selected nick.
Piggyback Data Transfer Protocol - transfer files & other data over terminal sessions (telnet, ssh).
Plot - for plotting time-based data without hassle and with rapid navigation controls with an average learning curve.
VGA graphics without bios - Some code I put together in 1998 to switch vga modes without the help of BIOS. Modes ranging from 256x200 to 400x600.

I have also put together some patches for various software.. Some of them have been submitted, some not:

Linux kernel
BTTV videograbber driver SMP fix
Etherteam 16 network card driver fix
lmsensors patches for Abit BP6
Gentoo ebuilds
automake lexer/parser support bugfix
fvwm 2.2 additional functionality
Sawfish keyboard modifier bugfix
pilot-link buffer overflow fix
cdparanoia new "tempfile" option
linpopup scandinavian character translation

I have other hobbies than computers too. (whoaa)

Electronics - low-voltage (<30V), mostly digital but occasionally some analog stuff. Latest production was a timelapse thing for my friend for triggering a camera to shoot still pictures at 1..2048 second intervals. The main requirements were low power usage, high timing precision and outdoor usability, possibly even in wintertime. So far he's been happy with it :) Generally I'm interested in building power supplies with unlimited short-circuit tolerance, connecting remote controls and other electronic equiment to my computer through usb, temperature measurement using 1-wire technology, trying out different kinds of led lamps, and all kinds of small projects. I'm also interested in studying behaviour of various transistor models in the hope to learn some more about analog circuits. Lately I've also tried PIC programming, encouraged by my good friend Janne, and we got some leds blinking already(!)

Older hobbies:

Dancing - Polijazz
Downhill skiing - among others, visited:
- Tärnaby-fjällen
- Messilä
Swimming - swimming halls in Espoo

Girlfriend

My girlfriend is Ann-Mari and she's such a kind and caring person :) A bit shy she is, but that is just fine.

Work

I worked initially part-time and later full-time at First Hop Oy from 1.2.1999 onwards. On 27.11.2007, Airwide Solutions acquired First Hop, so I now work full-time at Airwide instead. When I started at First Hop there were six guys working, and right before the acquisition we were around 70-80. Now we are over 400. I work as a R&D Engineer, developing Java software for mobile platforms. It's fun, the workmates are great and we were originally located in Innopoli, comfortably close to school. 8.3.2002 we then moved to HTC2 / Ruoholahti, after that to Itämerentalo (close to HTC1) and 12.11.2007 to Länsikeskus / Olari. Not much later we were acquired by Airwide Solutions, so I work there now.

Friends