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

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’s doesn’t matter which Munin database is used, they all contain AVERAGE, … 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

Alexa Shopping list items to TickTick

Update: IFTTT has native TickTick support now.Just visit Since Wunderlist is shutting down it’s service a lot of users might search for a new shopping list app. For us TickTick was the best fit….but it doesn’t offer an Alexa skill for every language – only english. While I’m writing this blogpost in English my … Weiterlesen

SSH Server Upload Speed Limit

Some daemon processes which handle user connections don’t have an internal mechanism to limit the bandwidth. One popular example is OpenSSH. In theory SFTP could eat up all the bandwidth available, which is especially bad for home connections, since a fully utilized uplink is sometimes worse than a fully utilized downlink. In order to apply … Weiterlesen