Write-ups
Notes from the terminal
Things that broke on my own systems and what actually caused them, plus blue team notes and lab work from my training.
Debugging and systems
- 20 Sept 2026 TISC 2026 write-up, levels 1 to 5 CTF
- 10 Sept 2026 Cloudflare KV cannot enforce a rate limit, and how I found out Root cause
- 9 Sept 2026 My phone stopped using my DNS filter. It was iCloud Private Relay Root cause
- 8 Sept 2026 Jellyfin, ffmpeg 7.1 and the HLS segment with no extension Root cause
- 7 Sept 2026 Docker containers silently lose the GPU after a systemd reload Root cause
- 6 Sept 2026 Why xemu says "Please insert an Xbox disc" to a perfectly good image Root cause
- 5 Sept 2026 1080p60 game streaming from a headless Pascal card Build log
- 31 Aug 2026 My AI agent described its tools and never used them Root cause
- 30 Aug 2026 llama.cpp against Ollama on two GTX 1080 Tis, measured Benchmarks
Blue team and training
- 28 May 2025 ArcaneDoor: state hackers on Cisco edge devices, a breakdown for blue teams Blue team
- 20 Dec 2024 NIST CSF and ISO 27001: why the frameworks matter Blue team
- 27 Nov 2024 SANS SEC504: how I prepared, what I learned, exam tips Career
- 28 Sept 2024 Hunting DLL hijacking with Sysmon and Windows event logs Lab notes
- 12 Sept 2024 Case study: how WannaCry changed the industry Blue team
- 8 Sept 2024 Security monitoring with the Elastic Stack: lab notes Lab notes