nyxd now builds images, is rootless, runs on macOS & Windows
Back in May, Mohamed wrote about getting fed up with the container stack using more RAM than the workloads on his Raspberry Pis, and building nyxd t…
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Self-Hosted Databricks Alternative: Homelab Data Lakehouse (AI/ML Data Factory)
Self-Hosted Databricks Alternative: Homelab Data Lakehouse Part of the homelab build series. Trino, Apache Iceberg, Project Nessie, dbt, Spark, MLfl…
How to run Gemma 4 locally: a setup that survives
The short version Run Gemma 4 locally by proving CPU text first, then adding GPU offload and vision separately. Gemma 4 vision may require 2,048-tok…
Meet the OpenAppSec: open-source WAF на базе машинного обучения
Ох уж этот «ИИ-пентест» (AI Pentest) — за последнее время я очень много о нём наслышан, чуть ли не из каждого утюга (и из моих собственных рекоменда…
My Wife’s Steam Deck Is a Server Now. She Doesn’t Know Yet. 🫠
Hey tech adventurers! 👋 What if the hardware you already own could become part of your homelab? That spare Linux box. An old Mac. A mini PC sitting…
On-demand SSH tunnels with systemd
My homelab includes a small VPS hosted on the internet; let's call it myserver.example.com . It provides me with a static IP address and it mainly r…
I Deliberately Destroyed My Kubernetes Cluster at 2 AM. Here's What Died First.
I Deliberately Destroyed My Kubernetes Cluster at 2 AM. Here's What Died First. Chaos engineering is not about breaking things. It's about discoveri…
I Wanted Kubernetes Without an Always On EKS Bill
I wanted a Kubernetes lab that would still be there the next morning. A temporary cluster on my laptop would be useful for testing manifests, but it…
Velero Said Backups Succeeded. The Data Was Never There.
Originally published at woitzik.dev Disclosure: This post contains Amazon affiliate links (marked with *). If you buy through them, I earn a small c…
I Replaced kube-proxy with eBPF in Production (And Why My Monitoring Went Blind for 6 Hours)
I Replaced kube-proxy with eBPF in Production (And Why My Monitoring Went Blind for 6 Hours) From a "simple" Cilium upgrade to a 6-hour outage where…
Measuring real LAN speed from a phone with iperf3
Disclosure before we start: I build the native iPerf3 apps for iPhone, iPad, Mac, and Android mentioned near the end. Everything in this post also w…
Why you should Homelab as a developer
There is a good chance you have heard, read or have been told by other developers that you should start your homelab. It does not need not be an exp…
When Your Homelab Grows Up: How SQLite Took Down My k3s Control Plane
Originally published at wostal.eu . TL;DR : My Hetzner k3s lab quietly became a platform. Dozens of operators with leader-election leases hammered t…
Building TNP: Why I Built an Enterprise-Realistic DevOps Lab (Part 0)
🧭 This is Part 0 of a 10-part series documenting a self-built, enterprise-realistic DevOps lab — modeled after a fictional fintech company, not a pi…
Best NAS for Home Backup 2026
Originally published at woitzik.dev Disclosure: This post contains Amazon affiliate links (marked with *). If you buy through them, I earn a small c…
Best Mini PC for Homelab 2026
Originally published at woitzik.dev Disclosure: This post contains Amazon affiliate links (marked with *). If you buy through them, I earn a small c…
4 self-hosting failures that return success
The failures that cost me the most in three years of self-hosting were never the ones that threw an error. An error is a gift: it tells you where to…
Used Cisco Catalyst switches: 2960X vs 3750X vs 3850
If you're building a lab or scaling a small office network, Cisco Catalyst switches dominate the second-hand enterprise market. They're robust, well…
Local LLM vs Claude: Benchmarking qwen3-coder:30b as a Production Agent Backend
TL;DR Replayed 27 real historical tasks from Jarvis (my LangGraph agent, ~90 tools) through qwen3-coder:30b on an RTX 3090, scored against Claude's…
AI-NT-No-Problem: Cramming a 9950X3D and RTX 5090 Into an SFF Custom Loop
My homelab workstation — hostname AI-NT-No-Problem — has been running a Ryzen 9 9950X3D and an RTX 5090 in an Antec Performance 1 FT full tower for…
Build Your First Home Lab: The Developer's Budget Hardware Guide
Cloud compute costs are climbing and local environments are making a powerful comeback. Every staging instance and every CI pipeline you run on rent…
Designing Single-Purpose Agents Instead of One Big Automation Script
"Agent" has become one of those words that means everything and nothing this year. Before it was a hype term, I'd already ended up with a small floc…
How to Build a Secure Homelab for LLM Inference
We’ve treated local AI deployments as experimental toys for too long. The moment a homelab becomes a dependency for work, the security posture must…
Building a Real Cybersecurity Lab on Your Laptop
One of the biggest mistakes beginners make in cybersecurity is trying to learn entirely through theory. They watch videos. Read articles. Take notes…
Your NAS Is Loud Because of Docker (and How to Fix It)
You buy a NAS for silent, always-on storage. It sits in a corner, humming quietly, doing its thing. You installed Docker on it for the same reason I…
Qwen Is Not Yet Ready to Power Local OpenClaw Deployments
Three weeks ago I ran a model showdown — twelve tasks, five models, one RTX 5090 — and Qwen3.5-35B-A3B won. 85.3 weighted score, 206 tok/s, fits in…
Stop Paying for Cloud VMs — Self-Host Your Dev Stack on Refurbished Enterprise Hardware
Cloud computing is brilliant. I'm not here to argue otherwise. But there's a specific use case where it consistently costs more than it should, and…
Ceph on Ubuntu (Single Node): Setup Guide (OSD, iSCSI, Bonding)
I recently put together a small Ceph lab on Ubuntu using cephadm, mainly to understand how everything fits together in a real environment. Most guid…
Model Showdown Round 3: Ditching Ollama in Favor of llama.cpp
In Round 1 , we ran five local models and two cloud models through a single coding task. The local models held their own. In Round 2 , we added Gemm…