Flavio Copes
Learn to build software products, put them on the internet, find customers, and create an independent business that can make a great living.
flaviocopes.comINTERNET CULTURE AND SOCIAL MEDIA
Build a paid membership site with Astro SSR, Convex, Resend magic links, Paddle Classic webhooks, and Cloudflare Workers. Step-by-step walkthrough.
SOFTWARE ENGINEERING AND PROGRAMMING
Vibe coding tools, AI-powered IDEs, or CLI coding agents? How to pick the right one for this project, today, based on your experience and what you need.
IDENTITY AND ACCESS MANAGEMENT
I asked Codex to audit a freshly migrated Ubuntu server. It enabled the firewall, hardened SSH and Apache, removed installer files, applied 124 security updates and rebooted. Here is what it found and what I learned.
FLAVIO COPES
DEV OPS AND SITE RELIABILITY
I resized a DigitalOcean droplet the wrong way and locked myself into a $48/month plan. Codex migrated my Sendy server to a new $12 droplet over SSH, database included, while I changed DNS.
FLAVIO COPES
DEV OPS AND SITE RELIABILITY
Claude Code kept dying a few seconds after starting on my Ubuntu server. I pointed Codex CLI at the server over SSH and it found the Linux OOM killer in the kernel logs. Here is the whole session.