Checking changelogs with zypper

The future you see is the future you get.

I have heard way to often the question from Linux and specially SUSE Linux users that “How can I check the changelog of a package or new version of a package available on the repository, but not yet installed”. There was no easy answer for that question, so I have decided to make a little tool for that. How it is done All the enabled repositories have a bunch of configuration files in a well structured directory tree under the /var/cache/zypp/raw/. [Read More]

Data visualization with Grafana and Telegraf

There are decades where nothing happens; and there are weeks where decades happen.

It all started when… Few weeks ago we have decided to create a dashboard where we can monitor the status of the SUSE Linux Enterprise maintenance update queue. Naturally there are tons of cool open source solutions to build this type of monitoring. Two decades ago I probably would have written a Perl or Python based monitoring script for the monitoring part and use the good old gnuplot ( to visualize the data and create an active page written in some silly web UI framework. [Read More]

Audio controlled Shelly devices

I can see you're talking to me in riddles. Do what you like, you go where the wind blows.

The idea came from Tina Müller who was giving and awesome demo of the Vosk library. I quickly checked out the Alphacephei pages. I fundamentally like when a cool library has Python APIs. Vosk is an offline open source speech recognition toolkit. It enables speech recognition for lots of languages. The vosk models are small (50 Mb) but still provide continuous large vocabulary transcription, zero-latency response with streaming API. [Read More]

Telegram Bridge

Who reads system logs anyway?

Motivation I got lucky with my original hackweek project and I have managed to set up my Leap 15.3 based NAS and private cloud running on NextCloud earlier than planned. So I though that as an extra project I will set up a proper system monitoring service. The monit service is very handy (thanks for the idea to Paolo Stivanin) but by default it wants to send emails when something goes wrong. [Read More]