Network Troubleshooting Evidence Ledger and Restart Point

Part 3 closes the troubleshooting series with an evidence ledger: what each test proved, which suspects were cleared or rejected, what remains open, and the exact restart point ...

READ ARTICLE → 10 MIN READ

RECENT POSTS

VIEW ALL POSTS →

SEP 14 2026

Network Troubleshooting Evidence Ledger and Restart Point

Part 3 closes the troubleshooting series with an evidence ledger: what each test proved, which suspects wer...

LAB-NOTES 10 MIN READ

SEP 11 2026

Network Troubleshooting Command Reference by OSI Layer

A practical Layer 1–7 network troubleshooting runbook built from the same incident as Part 1: capture link ...

LAB-NOTES 12 MIN READ

SEP 03 2026

From 80 Mbps and Random 100 Mbps Links to a Proven 720 Mbps Wi-Fi Path

A bottom-up troubleshooting diary: an 80 Mbps symptom, a Fast Ethernet PoE injector, a marginal coupler pan...

LAB-NOTES 19 MIN READ

SEP 02 2026

Moving GitHub Pages to a Custom Domain with Cloudflare DNS

How I moved a GitHub Pages site to an apex domain without moving the registrar: Cloudflare DNS, GitHub doma...

GUIDES 13 MIN READ

SEP 01 2026

Build a Hardened Arr Stack with Docker Compose: Gluetun, Hardlinks, and Health Checks

A start-to-finish Docker Compose build for Sonarr, Radarr, qBittorrent, Jackett, FlareSolverr, Gluetun, Rec...

GUIDES 28 MIN READ