Insights and hands-on guides on frontend, backend, databases, IT infrastructure, and AI solutions.
Our Servers Catch Burglars Every Day — TREEWALL Field Test Report
NVMe Storage Benchmark: Optane to HDD — 20 Devices Compared with fio
Local AI Video Generation with ComfyUI + Wan 2.2 — An RTX PRO 6000 96GB Build Log
Structuring Unstructured Documents with an LLM — Measured Accuracy on a 19-Item Menu
Guarding the Front Door of Your Network — TREEWALL, an AI Security Gateway
AI generates English-learning content fast, but shipping it raw breaks quality. Lessons from auditing 990 SCENEs.
I wanted a visual backup of my firewall settings, so I built a Playwright script that captures 170 admin pages in 8 minutes. Here is how I use it.
After 1 year of smooth Selenium Naver logins, CAPTCHAs appeared. Dozens of tests and 7 failed fixes later — the real culprit was the $cdc_ variable injected by chromedriver.
nvidia-smi + cron for automated GPU monitoring. From 5-minute CSV logging to threshold alerts and log rotation — everything in a single shell script.
Build a CCTV Recording Server Without an NVR — RTSP + ffmpeg + systemd, 180-Day Retention
Our MoE Model Started Spewing Garbage — What Auditing All 18,432 Expert Weights Revealed
What We Learned Building and Auditing 990 AI-Generated English Learning Scenes
BGE-M3 vs mE5-Large — Comparing Korean RAG Search Quality Head to Head
Recovering winget and Windows Terminal on a Windows 11 Box Where the Microsoft Store Won't Open
