I²C Anemometer: cheap wind data logger
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I²C Anemometer: cheap wind data logger

Lately I’ve been wondering if a wind-generator could help me lower my electricity bill (since my home server burns continuously some hundred watts per

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CyberzOrg::Event library: typesafe event handling in C++

Event is a little library built on top of boost::signal and boost::mpl that allows the user to declare in a simple way an

SVGPan: a Javascript SVG (Viewer) Pan/Zoom/Drag library
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SVGPan: a Javascript SVG (Viewer) Pan/Zoom/Drag library

Some time ago the need for a browser-compatible vectorial language pushed me to consider the SVG markup language (I won’t say anything about Internet

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Bode and Nyquist diagrams using GNU Octave

Using GNU Octave is easy to plot Bode and Nyquist diagrams, as follows: bode(zp([], [-1*i, i, -1], 1)) nyquist(zp([-0.5], [0.

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Bacula mail changer script (aka poor man's autoloader)

I enjoy Bacula for automated home backups on DLT and DDS tape drives. Being used at home there’s no – obviously – big-dollar-company-manager to ask for

Some applications using I²C
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Some applications using I²C

Parallel and serial ports are disappearing from today’s pc making life harder for the people who wants to connect their home-made devices to a

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Nagios nrpe and sudo: "NRPE: Unable to read output"

On CentOS 5 (and RedHat EL as well), you can encounter the following behaviour when configuring an nrpe plugin with sudo: [andrea@feyd ~]$ /usr/lib/

Tags: Linux, Nagios, Sudo, Unix
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Using samba with autofs on Fedora 9

Mount a samba share on the fly without having it mounted statically at boot via the /etc/fstab file can bring you the advantage of

Tags: Linux, Samba
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Bash delirium (delirio in bash)

f1() { :; }; f0() { f$((${#1}==0)) "${1:1}"; echo -n "${1:0:1}"; }; f0 'dlrow olleh'; echo

Tags: Delirium
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MusicBrainz not working with Amarok on Fedora 8

On my Fedora 8 system with Amarok I was trying to fill an mp3’s tag header using MusicBrainz, getting the following error: Tunepimp (MusicBrainz

Tags: Amarok, Linux