ClamAV Milter E-Mail notification

When running Postfix with clamav-milter you often configure the server to reject the email on SMTP time. It’s possible to let the recipient know, that an email contained a virus and was rejected with the following configuration in /etc/clamav/clamav-milter.conf In order to generate the notification email I created a very simple Python script to compose … Weiterlesen

Master/Slave, Blacklist/Whitelist Alternativen

IT Dokumentationen, Konfigurationen und Code ist (noch) voll von als längst rassistisch geltenden Begriffen und Terminologien. Diese durch passende Alternativen auszutauschen ist richtig, aber es ist auch wichtig weiterhin die gleiche Sprache zu sprechen. Wenn man A sagt, sollte beim Empfänger auch A ankommen. Daher sammle ich hier eine kleine Liste der Alternativen, die sich … Weiterlesen

Process Munin RRD files with Python

Today I wanted to process an Munin RRD file with Python, in order to create an Plotly chart. The result can be found here. The use-case doesn’t really matter, it could also be an export to JSON or any other sort of post-processing. It also doesn’t matter which Munin database is used, they all contain … Weiterlesen

DejaVu Webfont Download

I wanted to use the DejaVu Sans Mono font for the new code boxes of the blog, because it was the default console font for many Linux distributions a while ago and still has a solid layout with very good functionality for coding purposes. It turned out that it’s unnecessarily hard to find the latest … Weiterlesen

GeneratePress Customizing

Recently I switched to the modern and clean GeneratePress Theme. It has a great documentation and development spirit as well. If you want to customize your theme and e.g. edit the functions.php or use some add_shortcode() functionality for your WordPress installation, the first thing you have to do is to create a child theme. Otherwise … Weiterlesen