Me
Name: Fabian Affolter Location: Berne, Switzerland Website | Gallery | Affolter Engineering
Fedora always leads and never follows.
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Monthly Archives: May 2011
systemd-analyze plot
bootchart hat den Startvorgang des Systems grafisch dargestellt. systemd besitzt die gleiche Möglichkeit, in etwas vereinfachter Form $ systemd-analyze plot > 20110604-d630.svg...
Posted in Fedora
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Search for strings in PCAP files
Going through a pcap file to search a string is timeconsuming. It’s way faster to let tcpflow and grep do the work. [crayon-66328c644f5c4437261019/] We will use that file to check if there are any matches. [crayon-66328c644f5ca854381495/]...
Posted in General
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First impression
During CLT I used the Fedora Alpha for some minutes and I thought that Gnome 3 will get another chance to be used by myself when Fedora 15 is released. My first impression of Fedora 15: I hate it, to … Continue reading →...
Posted in Fedora
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NX Player
Nomachine stellt eine Preview-Version des NX Player 4 zum Download bereit. Wer Informationen zur Verwendung von FreeNX unter Fedora sucht, sollte diesen Artikel im deutschen Fedora Wiki lesen....
Posted in Fedora
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Stupid XMPP client
How much does it take to write a XMPP client? Not much, thanks to xmpppy. [crayon-66328c645079a512471401/] This is basically a waste product from the arduino-xmpp stuff....
Posted in XMPP
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Arduino talks XMPP
The step from the simple HTML output to an other notification system, in this case XMPP (aka Jabber), is simple. The concept behind is the same as in the HTML example. Grab the data from the serial connection over USB … Continue reading →...
Posted in Arduino, XMPP
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Publish Arduino collected data to a website
After playing around with the Arduino for quite some time, I’m seeking for a way to publish the data which got collected by the Arduino. There is a serial console, LEDs, LCDs and a few other options. Without Ethernet shield … Continue re...
Posted in Arduino
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sugru
Um zu basteln, könnte sugru ein cooles Produkt sein. Normales Silikon ist zwar günstig, jedoch ist die Formgebung und die Handhabung nicht sehr praktisch. Ich lasse mich mal überraschen, was sich mit sugru so alles machen lässt. Wenn man der &hel...
Posted in Arduino
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2. Science Slam
Gestern fand der 2. Science Slam in Bern statt. Irgendwie hatte ich andere Erwartungen an diese Veranstaltung gehabt. Die Moderation einer solchen Veranstaltung ist immer Geschmacksache…ich fand es nur anfänglich amüsant, dann hat es nur noch...
Posted in General
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Arduino Uno und Linux
Auch der letzte Versuch mit diesem Ansatz hat nicht das gewünschte Resultat für mein Arduino Uno gebracht. Alle anderen möglichen Lösungen habe sich auch schon als unwirksam herausgestellt. Erstaunlicherweise funktionieren die bekannten Vorgehens...
Posted in Arduino
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Parasite PowerMode
Nicht mehr sicher ob die Sensoren im Parasite-Modus angeschlossen wurden oder nicht? Der DS18B20 kann auf unterschiedliche Weise angeschlossen werden. Das Friting-Schema hier zeigt die Verbindung im Parasite-Modus, hier der konventionelle Weg. Der na...
Posted in Arduino
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Arduino mit einem DS18S20
Die Temperaturmessung mit dem Arduino und einem DS18B20 lässt sich sehr einfach einrichten, denn es wird nur ein Widerstand (4.7 kOhm) und ein paar Kabel benötigt. Auf dem Bild unten wird der Sensor im sogenannten parasite-Modus betrieben, da so ei...
Posted in Arduino
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Arduino und OneWire
Für einfache Temperaturmessungen schient mir der Dallas DS18S20 am geeignetsten zu sein. Um eine ersten Versuch zu machen, kann direkt mit dem Beispiel, welches der OneWire-Bibliothek beiliegt, gearbeitet werden. Vorgängig müssen aber die Biblioth...
Posted in General
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Temperatursensoren
Da mein unbekannter Temperatursensor keine verwertbaren Daten geliefert hat, habe mir ein paar andere Typen organisiert. Das eigentliche Ziel ist einfache Temperaturmessungen mit dem Arduino. DS18S20 LM35 KTY11 TS-NTC-202 (wahrscheinlich ist es so ei...
Posted in General
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Bcfg2 1.2.0 pre2 for Fedora
The Prerelease 2 of Bcfg2 1.2.0 is available for Fedora Rawhide. The biggest changes are systemd support and the replacement of bcfg2-repo-validate with bcfg2-lint. For a test: [crayon-66328c64519d0817219898/] Please report all issues....
Posted in Configuration management
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