Homeautomation using Home Assistant

Posted on Fri 16 October 2020 in misc • 3 min read

Early in the summer we had the idea to change the lights on our back porch from various switches inside the garage to something one could control without going anywhere. As I had an old RaspberryPi lying around I ordered a small relay board and installed domoticz to switch the …

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Some notes on using digiKam as a photo manager

Posted on Wed 08 March 2017 in misc • 1 min read

Digikam is a very powerful and complex software to manage photos. I was using shotwell previously for quite some time, but it's capabilities are limited. Wherever you go, digiKam is recommended instead.

The best things in digiKam so far are hierarchical tags and automatic face detection. But on the other …

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Automatically adding a transparent background with ImageMagick

Posted on Wed 18 January 2017 in misc • 1 min read

Yesterday I had to convert some JPEG images with a white background into a PNG with a transparent background. While it is possible to do this by just replacing white with transparent, this also replaces white in other parts of the image where this is not intended. So the better …

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Save your Pelican posts as a draft

Posted on Wed 18 January 2017 in misc • 1 min read

Just as a reminder: Adding status: draft to the header of a pelican source written in Markdown sets the draft mode.

(From the pelican docs)

A new beginning

Posted on Mon 02 January 2017 in misc • 1 min read

It has been a while since the last time I published something on this page. So I made some changes, from german to english, new layout and more as a notebook than a blog. We will see if this blog survives this time.

Munin plugin für Vodafone LTE Datenverbrauch

Posted on Fri 23 August 2013 in misc • 1 min read

Wir haben bei uns zuhause seit geraumer Zeit einen Internetzugang über LTE von Vodafone. Zum einen sei gesagt, dass dieser Zugang der bislang stabilste ist, den wir hatten. Auch die Geschwindigkeit ist sehr gut. Was jedoch fehlt, ist eine Übersicht über den Datenverbrauch direkt im Router. Auch kann der Router …

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