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 pile…
Testing & QA
⚑ Report a ProblemLatest Testing & QA news from Tech News
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
claude
cybersecurity
database
devchallenge
devops
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
softwareengineering
testing
tutorial
typescript
webdev
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 com…
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 com…
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 l…
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-d…
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 ac…
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 mo…
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 rented…
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 flock …
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 sh…
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 d…
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 VR…
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 mo…
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 guides…
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 Gemma …