In a significant update to the FDDB Exporter (see the old post here), I’ve redesigned the tool, improving both its functionality and code quality. The new version introduces several key features, making it more powerful and user-friendly. Key New Features: Improved Code Quality and User Login In addition to the feature improvements, I’ve refactored the … [Read more…]
In this blog post, I’ll walk you through how I streamlined my Docker-based workflows by linting Dockerfiles with Hadolint in Jenkins pipelines. By integrating this powerful tool, I’ve managed to elevate my pipeline’s efficiency and ensure code quality at every step. The Quest for the Perfect Linter As a firm believer in building Docker images … [Read more…]
After creating self-signed wildcard certificates for modern browsers a while back, self-signed certificates came back to haunt me once again. This post describes a solution for creating self-signed keystores (pkcs12 or jks) in OpenShift and Kubernetes to use in Spring Boot applications to re-encrypt traffic. Actually I present 2 solutions, but the second one only … [Read more…]
Unfortunately this does not apply to the IP logged within the comment section, however the log does contain the correct IP. I will revisit this issue and may update this post. Cloudflare offers great solutions for the protection of a webpage. Although most interesting applications require a paid premium account, the free tier also provides … [Read more…]
A few years ago I migrated my Teamspeak3 installation to Docker. Until now this ran like a charm with minimal management effort. For some reason the configured admin password, which is displayed once on the initial startup of Teamspeak3, did not work for me anymore. Researching this issue I have found an easy yet undocumented … [Read more…]
Yesterday I have released a new page on this blog, which describes my most recent project: a smart home dashboard using an Inkplate 10 e-ink display and Home Assistant as a backend. Home Assistant displays a lovelace view of the dashboard which is then rendered to a JPG-image. The Inkplate wakes up every 20 minutes … [Read more…]
For my current personal project in developing a dashboard, which displays metrics of my servers and devices among other things, I was faced with the challenge to collect metrics from all devices. Usually solutions like Prometheus are quite famous for use cases like this, but I did not want to open any ports on any … [Read more…]
Recently I started playing around with Home Assistant, to make my home smart and display useful metrics on a dashboard, e.g. calendar events. A few days ago I noticed specific calendar events crash the Home Assistant integration for a day. I don’t think this is exclusive to my environment and may be a global issue. … [Read more…]
Setting up the environment During a current project I looked into HomeAssistant as a central component / hub for home automation. When starting out with HomeAssistant it is recommended to install the software either as a OS distribution (HASS OS) or run a supervised installation, which is just a couple of fancy bash scripts that … [Read more…]
Recently I tried to make use of the renderer function in Grafana to retrieve a graph as an image for further usage. However since Grafana 7 (I guess) they decided to not include the external image renderer anymore in the Grafana Docker image. You may install the plugin yourself, however this does not work by … [Read more…]