Weisser Zwerg

Incus Recursive Jail for Codex Coding Agent

Groupware: Implementing grommunio behind Mailu via split delivery

Groupware: Implementing SOGo beside Mailu behind Traefik

Web Application Architecture Experiment: FastHTML-Plus

Quick Tip Nugget: Convert PDFs to Markdown on Runpod with marker-pdf and GPU Support

Groupware: replacing Microsoft Exchange at home (on-prem)

Incus System-Container Jail for the Codex Coding Agent

Cloud-Init Provisioning: A Practical Guide

Nym Mixnet & dVPN: A Node Operator's Guide (2026)

Public IPv6 for Incus Instances on Your Home Server with the ROUTE64 Tunnel Broker

Portfolio Performance Metrics with External Cashflows

Quick Tip Nugget: Export Passwords and Passkeys from iPhone (iOS 26, 2025) to KeePassXC (kdbx)

Quick Tip Nugget: Export ChatGPT Chats to Markdown for Desktop Search (DocFetcher, Recoll)

Using a MikroTik hAP ax³ (RouterOS) and the ROUTE64 Tunnel Broker for IPv6 at Home

Teleporting a Public IPv6 Address from Your VPS to Your Home Server

Censorship-Resistant "reverse-Nextcloud" for Identity-Free Web Publishing

Private Email with Mailu Behind Traefik Reverse Proxy

The Normal Metaphysics and Epistemology

Digital Civil Rights and Privacy: Embracing Digital Integrity

GPG Agent Forwarding with Hardware Tokens: YubiKey, Nitrokey, or Trezor on Remote Servers

Home Server Blueprint: Rock-Solid Home Server with Unattended Reboots, Secure Disk Encryption, and Cost-Effective Offsite Backups

Nym Mixnet & dVPN: A Node Operator's Guide

Take Control of Your Code: Replace GitHub by Self-Hosting Gitea with Traefik as a Reverse Proxy

Running private LARGE AI Models on Your Hardware: A Guide to Scaling Local LLMs

Private Video Conferencing with Jitsi Meet behind Traefik as a Reverse Proxy

Digital Civil Rights and Privacy: Networking, VPN, Tor, Onion over VPN, I2P (Invisible Internet Project), Nym Mixnet

Digital Civil Rights and Privacy: Browser, Passwords, Bookmarks, Notes, Nextcloud

Digital Civil Rights and Privacy: A Practical Guide (Part II)

Digital Civil Rights and Privacy: An Overview (Part I)

Running AI Models on Your PC: A Guide to Local Large Language Models (LLMs)

sigrok: UNI-T UT61E Multimiter on Linux

Implementing Teleport Identity Proxy behind a Router using the Traefik Reverse Proxy in an Intranet Environment: A Comprehensive Guide

Optimierung von Balkonkraftwerken: Die Rolle von Schatten.

Photovoltaics for Urban Spaces: Shadow Effects on Balcony Power Stations (Balkonkraftwerk)

Series: Photovoltaics

Uncover the Corresponding Version Tag for the 'Latest' Docker Image: A Comprehensive Guide

Step Up Your SSH Game: A Deep Dive into FIDO2 Hardware Keys and ProxyJump Configuration

ChatGPT - Open AI API for Proofreading Markdown Blog Posts

Ecowitt WS2910 weather station via Ecowitt GW2000 (Wittboy) and dockerized WeeWX

Digital to Analog Converter (DAC) from 0 to 10V

Ecowitt WS2910 868MHz weather station and Software Defined Radio (SDR)

Thin Clients as Home Servers: Dell Wyse 5060 and Fujitsu Futro S920: an Experience Report

Home Automation: Abstract / Conceptual View

ODROID-M1: Dockerized Home Assistant

Traefik as Reverse Proxy

Espresso Coarseness Setting may save your day!

ODROID-M1: an Experience Report

Fuel Save Alerter: a TypeScript version of the heise+ article : 'Günstiger tanken: So lesen Sie Spritpreise automatisch aus'

RFC3161 Trusted Timestamping via OpenSSL by foot: a guided tour.

My first NFT (Non Fungible Token) on the Cardano blockchain