Isaac Bythewood's Blog
Latest post
A crawler on 20,000 home IPs showed up after I blocked Meta
I blocked Meta for ignoring my robots.txt and then my git browser started getting a request every few seconds, each one from a different home internet connection.
Isaac Bythewood
2026-10-14
Random posts
If you don't know what you're looking for check out some of my older posts.
An agentic loop in Go for a small local model
I run my own assistant on a 9B at home and the tool calling loop in it is a few hundred lines of Go, most of which is there to stop it offering to look something up instead of looking it up.
Isaac Bythewood
2026-09-20
Zero downtime deploys with Caddy
One line in Caddy holds requests while a Docker container is replaced, so a deploy looks like a slow page instead of a 502.
Isaac Bythewood
2026-10-03
Generating a ED25519 SSH key with OpenSSH
OpenSSH has deprecated RSA keys. Time to swap to ED25519 with a few quick commands as well as an easy way to ease into the swap with host key configurations.
Isaac Bythewood
2022-05-07