QUENTIN MAYO / FIELD NOTES

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Receiving GitHub Webhooks While Keeping Coolify Management Private

A small Ubuntu VM, Nginx Proxy Manager, and a restricted HTTPS route restored GitHub App webhook delivery to an internal Coolify instance.

10 min read

Setting up Pinterest Knox on Unraid with LAN client installers

A persistent Knox deployment on Unraid, with a separate public certificate service and verified Windows, Ubuntu, and macOS client installers.

7 min read

Our Server Got a Second Job: The Fourth of July Cryptominer

Even a security engineer can get pwned. How we traced a cryptominer consuming 12.5 CPU cores to a vulnerable Next.js app—and what the incident taught us about patching,…

11 min read

AI Created My Security Backlog. Then AI Fixed It.

AI helped me build more software—and accumulate nearly 1,000 security findings. Then I put agents to work on the backlog. Here’s what I learned about remediation, independent verification,…

15 min read

You Probably Don’t Need the Cloud Yet

I have a love-hate relationship with cloud computing. Let me start by making something clear: I’m not anti-cloud. AWS is actually my default cloud provider. I use Route…

8 min read

Where Should the Compute Live? Lessons From 100+ Hours of AI-Assisted Development

This isn’t one of those posts where I’m going to tell you that I’ve figured out the perfect development environment. I haven’t. There isn’t even necessarily a winner…

13 min read