Archive for April, 2013

How to remove those annoying “._this is my song” duplicated titles that pop up on your dashboard if you use a usb stick made under OsX from all your iTunes songs.

Navigate (in a terminal window) to the root of your USB stick’s file system and type :

find . -name “._*” -exec rm -rf {} \;

Pleas run find “. -name “._*” -print \;” first to see what will be deleted..

And another dashboard based on the home monitoring


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This one shows temperature measurements around the house – plus total electricity used.

A new dashboard to show where we are using electricity :


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I used the excellent “team_dasboard” for this – hooking it into the rest of the home monitoring system.

I must admit that I had not thought of using the browser (and Node/Javascript) to build and run large distributed networks of computer. But here is a project doing exactly that:

QMachine (QM) is a web service that uses Quanah to create a distributed computer that can use ordinary web browsers as ephemeral nodes. It contains three main components: an API server, a web server, and a website. The API server and the web server are both implemented in Node.js and available for use in server environments via NPM.

[From Project Description: QMachine]

Spot the problem in this screenshot?


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Hm! There is no way to get rid of the box!

This is a scary rifle – it looks like it has the possibility to make a superb sniper out of anyone with enough money to buy one. (Although I have a real problem seeing how it compensates for wind):

Bullseye from 1,000 yards: Shooting the $17,000 Linux-powered rifle

ARM CPUs, lasers, and Wi-Fi make firing this weapon an experience like no other. Read more