I build things, and I want to understand what they’re capable of.

About me
The Sprint Coach homepage: the brand mark and navigation above a headline reading run faster, move quicker, perform higher, beside a photograph of four sprinters at Newtown Park tagged with a free first session.
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Sprint Coach

Nathan’s coaching business grew by word of mouth. His first website needed to show athletes and parents who they would be training with, and make the next step easy.

A single 8GB Raspberry Pi reached by two paths: a Cloudflare Tunnel for public services and Tailscale for admin. A recovery restore was measured at 1 hour 45 minutes against a 2 hour target.

One 5W host, two doors

Raspberry Pi 4 · 8GB

Public
Cloudflare Tunnel Photos · files · calendar
Admin
Tailscale SSH · Postgres · SMB
Memory
7.26 GB allocated 9.25% headroom
Restore tested
1h 45m Under a 2h target
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Home Lab

What would happen if I lost the machine running my home services? I built a small server around that question, then tested a full recovery.

The rest of it

All work

Writing

I'm Building a GPU PC, So I Made It a Private AI Server for My Friends

Sharing a GPU with friends sounded like a weekend of work. The real problem was who is allowed to reach the hardware, and what a cost figure means when most of it is allocation rather than measurement.

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