Blending Databases with FastAPI and SQLAlchemy

This post will show you how to blend multiple databases in a FastAPI application using SQLAlchemy.

Combining FastAPI Dependency Injection with Service and Repository Layers

Learn how to integrate FastAPI's DI system across multiple layers of your application to build a robust and testable application.

Crawler for German Bank Insitutes

I wrote a crawler to extract core data from two popular German bank instituts, namely Sparkasse and Volksbank to support the bank.green initiative.

Copy large files to Nextcloud

Copying large files to Nextcloud can be time consuming as a lot overhead is involved in passing the files through the LAMP stack. This blog post shows how files can be copied directly in the underlying file system and how Nextcloud's caches can be invalidated to inform Nextcloud about the new files.

Privacy and Audible Audiobooks

This article mentions privacy concerns of the Amazon Audible platform and discusses how to prevent a lock-in into Amazon's apps in order to gain more privacy.

Pi-hole User Group Management

In this post I discuss how a Pi-hole can be controlled so that different rules apply to different groups of devices in the local network.

How to deploy a Next.js application to GitHub pages

In this post I discuss which tweaks are necessary to deploy a Next.js project exported as static HTML files to GitHub pages.

Migrate from i3 to sway

This post describes my migration from i3 (X.org Server) to Sway (Wayland).

Automate tasks with docker-compose and systemd

This article shows how tasks that have been encapsulated in Docker containers can be controlled by systemd timers. In case of an error a separate systemd service is triggered which sends a mail which contains the last view lines from the journal log.

Nextcloud: Migrate from SQLite to PostgreSQL

This article describes how to migrate a Docker based Nextcloud instance from SQLite to PostgeSQL.

Webcam Support in Arch Linux on Macbooks

Learn how to install a kernel module that allows to use the Apple Facetime HD camera in your Arch or Manjaro Linux installation.

OfflineIMAP + systemd timer

Learn how to setup a systemd timer that regularly fetches new mails from an IMAP server with OfflineIMAP.

i3 + termite + custom themes = <3

i3 + termite is awesome. Having a simple theme changer is even better. Learn how to set up custom themes and apply them with a simple keystroke.

Spotify Desktop App with HiDPI Scaling in GNOME 3

Spotify Desktop seems to have issues with HiDPI screens in Linux. This post shows how to fix it.

An "open" command in Linux

This article explains how to configure a command "open" in Linux that behaves similar to the command that macOS provides.

GNOME 3: Change wallpaper periodically

This post describes how wallpapers can be automatically changed in GNOME 3 with a simple script and a cronjob.

Leaving Google's Mail Services behind

I decided to leave Google's e-mail services behind. This post describes how I changed to another provider and how I use my domain at the same time so that I can switch between e-mail providers more flexibly in the future.

Evaluate data from Komoot with Elasticsearch and Kibana

In my spare time I like to travel by bike. As a data enthusiast it's no question to track my trips using services such as Komoot. Besides the data analysis methods that these companies provide on their websites or apps, they are always limited in what kind of analysis they provide to their customers. In this post I discuss how to extract data from Komoot and evaluate the data with Elasticsearch.

Howto train a CNN with TensorFlow on FloydHub

This article demonstrates how to solve the MNIST Digit Recognizer task by using a Convolutional Neural Net (CNN). It will be trained with TensorFlow, Googles open-source software library for Machine Intelligence. For the heavy-lifting the cloud provider FloydHub will be used.