Using tcpdump for capture SIP packets
How to capture SIP packets with tcpdump (example)
tcpdump -nt -s 0 -A -i eth0 port 5060 -w call.cap
Tcpdump will create file call.cap
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Flint vs Qwen 3.8 27B on a MacBook Pro M5: my local AI setup in VS Code
I tried a pile of local models on my MacBook Pro M5 and kept two: Flint for fast fixes at 110 tokens/s, Qwen 3.8 27B for the harder work at 26. Here is the setup, the numbers, and how I split the work between them.
php2shell and Node2Shell: how to check and fix your server this weekend
two critical bugs landed on 21 October 2026: php2shell in PHP and a Brotli RCE in Node.js. Here's how to find every affected server and container, patch it, and check whether anyone got in first.
Local AI can replace Claude for a lot of work, but not the work that scares me
A local AI model can handle more real work than most people expect. The problem is knowing which 80% is safe to keep local — and which 20% still needs a stronger model.
Supabase RLS checklist for AI-built apps: stop leaking user data before launch
Supabase makes it easy to build fast, but a public anon key with weak RLS can expose real user data. Use this checklist before launching an AI-built app.