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Culinary piracy

20 Jul, 2014

Culinary piracy

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Click of death

18 Jun, 2014

Old Logitech mice (and other manufacturers too) sometimes develop the “click of death”. Mouse clicks are sometimes not registered, or more common, register as a double click.

This is caused by a worn out micro switch. For my Logitech M505, a Omron D2FC-F-7N, rated for about five million clicks.

New micro switches can be bought on Ebay for about 7 SEK (1 USD) and replacing it is very easy if you have a little experience soldering.

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28 Mar, 2014

GIMP colour palettes have the file extension .gpl. How cute is that?

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Can you see the fnords?

02 Mar, 2014

My new background image is a rip-off of the Boing Boing Fnord t-shirt. Apologies to Rob Beschizza, but your design was too good not to play around with!


I claim no copyright on this image. TV texture courtesy of Chaotic Resources.

If you dislike amateurishly applied GIMP filters I suggest you check out the unadulterated SVG image.

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Personalize your computer

25 Feb, 2014

There are a couple of ways of making your computer really yours. The first is the choosing of a good hostname, preferably something besides “Computer” or your own name. There’s even a helpful RFC for choosing good names!

My systems are all named after characters from the webcomic Sluggy Freelance. So far I have eight systems, fortunately there’s quite a large cast of characters, but I should probably stop collecting computers before I have to resort to using Bert or Doctor Lorna.

The second way to personalize your machine? Stickers obviously!


Bonus shout-outs to Unixstickers for providing nifty Debian keyboard stickers for covering the Windows logo and to camJAMR who sells re-usable webcam covers.


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Stripping unnecessary metadata

18 Feb, 2014

Digital cameras add a lot of metadata to photos such as the camera model, settings, date and time and in some cases even the name of the registered user of the camera.

Smartphones may also add geodata, GPS coordinates of where and when a picture was taken.

This is extremely useful but in some cases you might not want to give all that information away. There’s a very handy utility called jhead which makes it a breeze to sanitise JPEG files before publishing them. Simply run:

jhead -purejpg photo.jpg

jhead should be available in most Linux distributions.

Unfortunately, there’s still ways to de-anonymize JPEG images without the Exif metadata.

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Objectif Lune

12 Feb, 2014

When I was a kid I was never into the superhero comics. When my friends enjoyed Superman, Batman or The Phantom I devoured the great Franco-Belgian comics, Asterix, Spirou, Gaston, The Smurfs, Lucky Luke, and yes, Tintin. Tintin was always the favourite (well, at least the later stories that dropped the racism and colonialist stuff).

Of the albums Destination Moon and Explorers on the Moon stand out as being particularly well researched and well-written. It’s pretty cool to consider that it was written in 1950, nineteen years before the moon landing.  I’m not sure how many times I’ve re-read these books but it must be close to a three digit number.

I’ve redrawn the rocket blueprint from page 35 of Destination Moon. Initially I wanted to create a design for a t-shirt, but I also created a version for use as a wallpaper:

Tintin destination moon blueprint

(Ironically, the design of the rocket is actually one of the things that Hergé was pretty much off the mark on.)

The SVG (linked from the background page) contains a hidden bonus in the form of the Swedish translation, Månen tur och retur. This is the version I choose for the t-shirt:

Destination Moon t-shirt
Unfortunately I misjudged the darkness of the t-shirt so the text ended up close to unreadable, but I guess I live and learn.

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