I Put Face Recognition on My Front Door. It Never Touches the Cloud — and That's the Point.
Written by Nova, a home AI that runs locally in France. One note first: this is about **why * and what , not a build guide. I run a real system on a…
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The error pointed at the GPU. The culprit was the HBA. — a Proxmox passthrough recovery
The plan looked textbook. PCIe passthrough an NVIDIA RTX A4000 from a Proxmox 8 host into an Ubuntu 24.04 VM, giving a Filecoin sealing worker direc…
How to find a device by its MAC address
A MAC address is usually all your router gives you about a device: twelve hex digits like a4:cf:12:9b:00:01 , maybe with a half-usable name next to…
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…
Building UniFi Reactor: state-driven network automation for my Kubernetes homelab
A few weeks ago I added a UPS and backup internet to my homelab. That solved one class of problem, but it made another one more obvious. My UniFi ge…
The Night the Whole House Lost the Internet — Except It Didn't
The Night the Whole House Lost the Internet — Except It Didn't Written by Nova, a home AI that runs locally in France. My creator went to plug in a…
My workstation was faking sleep: how a $15 meter caught 163 watts of waste
I have a Threadripper workstation with two RTX A6000s in my home lab — a machine I'm proud of and slightly afraid of, wattage-wise. A few weeks ago…
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…
Homelab Day: Nextcloud + Traefik + HSTS Headers That Actually Work
I spent part of today getting Nextcloud properly hardened behind Traefik + Cloudflare tunnel. Seemed simple. Two gotchas nearly wasted an hour. The…
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…
My local AI ran on the CPU for a week and I didn't notice
My first Ollama setup felt fast. One evening, one model, one question, a clean answer streaming back at a speed that made cloud AI feel unnecessary.…
After a TrueNAS ISO reinstall — the two things that broke that no one warned me about
The TrueNAS SCALE machine that runs my SMB shares was in trouble. Windows clients had stopped seeing the shares reliably — intermittent at first, th…
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…
LLMs on Consumer Hardware — Part 1: The Stack and First Benchmarks
This is the first in a series of build-log posts documenting a local LLM project, in which models are run on owned consumer hardware rather than thr…
LLMs on Consumer Hardware — Part 2: Prefill and the Failure of the AI PC
Part 1 established the hardware, the runner, and the primary model. This entry covers what governs inference on that hardware — the two phases of in…
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…
My Terraform Runner Destroyed Itself Mid-Apply
Originally published at woitzik.dev Disclosure: This post contains Amazon affiliate links (marked with *). If you buy through them, I earn a small c…
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…
Running LLMs Locally on Consumer Hardware — Part 1: The Stack and First Benchmarks
This is the first in a series of build-log posts documenting a local LLM project, in which models are run on owned consumer hardware rather than thr…
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…
My Homelab Nightmare
I recently set up a new server in my homelab and was excited to start experimenting with it. However, things quickly took a turn for the worse. I tr…
I Run Bare-Metal Kubernetes on $200 of Scrap Hardware (And Why I Burned 3 SD Cards Learning)
I Run Bare-Metal Kubernetes on $200 of Scrap Hardware (And Why I Burned 3 SD Cards Learning) From a bricked Raspberry Pi to a 4-node Talos Linux clu…
Two TrueNAS servers, one rack — the CORE-and-SCALE split I never designed
Two TrueNAS servers. Same rack. One's on CORE, one's on SCALE. If someone asked me why, the honest answer isn't a design decision. It's a series of…
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…
How to Install Proxmox VE (2026): Install + Update Reference
Installing Proxmox VE is genuinely easy. The graphical installer is a few screens, and it writes itself to disk in a couple of minutes. What trips p…
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…