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Helge Klein
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Categories

  • Home Automation, Networking & Self-Hosting
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KNX: Multiway Switching With Room Controller, Switch and Binary Input

If you're controlling a group of lights from multiple different types of switches, you'll run into the problem that a switch needs to be pressed twice - the first tap doesn't have any effect. This article shows how to fix that.

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by Helge on May 10, 2025
  • KNX & ETS

Elasticsearch: Long-Term Storage of Home Assistant Data

This article describes how to send Home Assistant metrics to Elasticsearch for long-term storage and visualization. It focuses on the integration between the two products and on how to configure Elasticsearch.

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by Helge on May 3, 2025
  • Home Automation, Networking & Self-Hosting

Elasticsearch: Simple Docker Compose Setup for Home Servers

This is a deliberately simplistic dockerized Elasticsearch & Kibana setup focused on long-term stability and minimal maintenance requirements.

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by Helge on Apr 26, 2025
  • Home Automation, Networking & Self-Hosting

KNX Topology Troubleshooting with ETS Tools

This article shows how to check your KNX installation's topology with the tools provided by ETS. You can run through all the verifications from your desk without having to deal with the physical wiring.

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by Helge on Apr 17, 2025
  • KNX & ETS

Hikvision Surveillance Network Camera Setup & Configuration

This is my documentation of how I set up and configured my Hikvision surveillance network camera.

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by Helge on Apr 12, 2025
  • Home Automation, Networking & Self-Hosting

Controlling Philips Hue Lights From KNX With ISE Smart Connect KNX Hue

The ISE Smart Connect KNX Hue is a nifty little device that bridges the gap between the KNX and Hue universes. This post explains how to set it up.

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by Helge on Apr 5, 2025
  • KNX & ETS

Docker (Compose) Cheat Sheet

This is a collection of tips and tricks I picked up while learning and working with Docker and Docker Compose on my home server and web server.

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by Helge on Mar 29, 2025
  • Virtualization & Containers

Obsidian: Getting Started With the Markdown Note-Taking App

I've recently settled on a combination of Typora and Obsidian - both are satisfying tools to use and they even complement each other. This article explains how to get started with Obsidian.

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by Helge on Mar 23, 2025
  • Applications

VictoriaMetrics: Long-Term Storage of Home Assistant Data

This article explains how to set up VictoriaMetrics in a Docker container with automatic HTTPS via Caddy. It also shows how to forward Home Assistant data to VictoriaMetrics for long-term storage and how to query the data from Grafana.

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by Helge on Mar 15, 2025
  • Home Automation, Networking & Self-Hosting

Regelung von Heizung/Kühlung mit Enertex Meta² KNX-Raumcontroller

In diesem Artikel beschreibe ich die Raumtemperaturregelung mit dem KNX-Raumcontroller Enertex Meta².

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by Helge on Mar 8, 2025
  • KNX & ETS

Emby: Dockerized Media Server With Automatic HTTPS

This article explains how to set up Emby in a Docker container with automatic HTTPS via Caddy.

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by Helge on Mar 1, 2025
  • Home Automation, Networking & Self-Hosting

Encrypted Offsite Backup With Ransomware Protection for WordPress

This article explains how to set up restic (with the resticprofile wrapper) for automated scheduled backups of your (dockerized) WordPress server. The backups are protected from ransomware through temporary immutability, which makes it much harder for attackers to delete your data.

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by Helge on Feb 26, 2025
  • Website

Firmware-Update der Enertex Meta² KNX-Raumcontroller

Dieser Artikel beschreibt, wie beim Enertex Meta² KNX-Raumcontroller die Firmware aktualisiert wird.

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by Helge on Feb 21, 2025
  • KNX & ETS

Syncthing: Continuous File Synchronization Between Personal Devices

This article explains how to set up Syncthing in a Docker container and configure synchronization with peers on Windows PCs.

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by Helge on Feb 16, 2025
  • Home Automation, Networking & Self-Hosting

Ploopy Adept – Ergonomic Trackball With Hyperscrolling

If you're plagued by RSI symptoms, it's high time you evaluate an alternative to traditional mice: trackballs. The Ploopy Adept is an interesting such specimen.

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by Helge on Feb 6, 2025
  • Hardware

Budibase: Self-Hosted Low-Code Platform With SSO & Automatic HTTPS

This article explains how to set up Budibase in a Docker container with automatic HTTPS via Caddy.

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by Helge on Jan 25, 2025
  • Home Automation, Networking & Self-Hosting

Firmware-Update beim Steinel Multisensor True Presence KNX

Dieser Artikel beschreibt, wie beim Steinel Multisensor True Presence KNX die Firmware aktualisiert wird.

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by Helge on Jan 12, 2025
  • KNX & ETS

Simple OPNsense Firewall Rules for a Secure Smart Home

This article presents a simple, balanced OPNsense firewall configuration for a secure smart home. The config provides good security while still allowing the freedom a family not entirely comprised of geeks needs.

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by Helge on Dec 13, 2024
  • Home Automation, Networking & Self-Hosting

Home Assistant Installation as VM on Proxmox

This article explains how to set up Home Assistant in a virtual machine on Proxmox with automatic HTTPS via dockerized Caddy.

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by Helge on Dec 2, 2024
  • Home Automation, Networking & Self-Hosting

OPNsense HowTo: IPv4 & IPv6 Internet Connectivity With FTTH Modem

This article explains how to configure OPNsense as your (only) internet router in a fiber to the home (FTTH) setup.

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by Helge on Sep 14, 2024
  • Home Automation, Networking & Self-Hosting

Samba File Server: Web Access Through Filebrowser With SSO & HTTPS

This article explains how to set up Filebrowser in a Docker container as a web interface for browser-based access to a Samba file server.

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by Helge on Jul 14, 2024
  • Home Automation, Networking & Self-Hosting

Samba File Server With Windows ACLs in a Docker Container

This article explains how to set up a Samba file server with Windows ACLs as a domain member in a Docker container.

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by Helge on Jul 7, 2024
  • Home Automation, Networking & Self-Hosting

Samba Active Directory as Authelia’s SSO Authentication Backend

This article explains how to configure Samba Active Directory as Authelia's authentication backend via LDAP.

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by Helge on Jun 30, 2024
  • Home Automation, Networking & Self-Hosting

Samba Active Directory in a Docker Container: Installation Guide

This article explains how to install a Samba v4 Active Directory domain controller in a Docker container. It's part of a mini-series about running Samba Active Directory and file server service on a home server.

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by Helge on Jun 23, 2024
  • Home Automation, Networking & Self-Hosting

Unbound: Conditionally Include Only Existing (Docker) Interfaces

This article presents a simple and reliable solution to flexibly configure Unbound with interfaces that may not exist when Unbound starts.

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by Helge on Jun 9, 2024
  • Applications

No Bluetooth Audio In Zoom Android App: Solution and Explanation

Getting Bluetooth headphones or headsets to work with the Zoom Android app can be a frustrating experience. This quick post documents the issue I ran into along with its solution.

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by Helge on May 18, 2024
  • Applications

Upgrading PostgreSQL in a Docker Container

This article describes the steps necessary to upgrade PostgreSQL to a new major version in a Docker environment. There are many articles on the subject, but I couldn't find any that were complete, correct, and concise. So I wrote my own.

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by Helge on May 12, 2024
  • Applications

LogQL: A Primer on Querying Loki from Grafana

This article introduces newbies to writing search queries in LogQL. It should help you get started with building Grafana dashboards based on log data in Loki.

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by Helge on Apr 13, 2024
  • Logs & Metrics

resticprofile Backup Monitoring Grafana Dashboard

This article explains how to set up a Grafana dashboard to monitor restic/resticprofile backup operations.

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by Helge on Apr 6, 2024
  • Home Automation, Networking & Self-Hosting

Dockerized Ubiquiti UniFi Network Server Setup With Automatic HTTPS

This article explains how to set up Ubiquiti UniFi Network Server, a management software for UniFi devices such as access points.

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by Helge on Feb 11, 2024
  • Home Automation, Networking & Self-Hosting
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