# Sam Okereke, Senior Infrastructure Engineer at Finspark (143 people) — read of machine0-nixos-persistent-vms, June 17 2026

> "8 years in infra, currently the one person at the company who keeps evangelizing NixOS to a team that nods politely and then writes more Bash."

## How I got here

Searched "nixos vm hosting minute billing" on Google. We use Hetzner for some ephemeral CI runners and I've been quietly prototyping a Nix-based dev environment setup. Something I saw on lobste.rs last week mentioned minute-priced VMs and I had that tab sitting open. Clicked through expecting a product I could sign up for.

## What I clicked first

The spec table stopped me. That format is genuinely different. "Sub-Second Boot NixOS minimalism + persistent state = cold starts that don't hurt." That sentence made me lean forward. That is a real problem. Our GitHub Actions runners take 45 seconds just to pull the Docker image. If this is real, I want it.

## Where I paused

The scoring block. "65/100 Adoptability. $-33,000 Year-1 take-home (Fermi). 1 in 9 Meaningful-success odds." I read that three times. I still wasn't sure what I was looking at. Then it clicked: they're not selling me a product to use. They're selling me a blueprint to build this product. The page looked like a SaaS homepage and turned out to be a pitch deck for a different audience entirely. I had to scroll back up and re-read the whole thing with new eyes. That's a navigation failure.

## What I distrusted

"Honest disclosure: we don't have live customers on this idea yet. We shipped the strategy package; you ship the customer conversations." I actually respect the honesty here but the framing around it is shaky. The spec table reads like feature documentation for something that exists. "CLI-Native Control. Orchestrate VMs from your terminal. Build, deploy, test - all one-liners." That is present tense. Active voice. Written like a product you can go use today. Then you get to the scoring block and find out this is a concept. The gap between the confident feature table and the "we don't have live customers" disclaimer is jarring. Pick one tone.

Also: "buyer clarity: 10/10" as a top axis. I have no idea what that means to me as a buyer. Is that a score I should be proud of? Does that mean they know who to sell to? It feels like internal scoring language that leaked into the public page.

## What would convince me

If I were evaluating this as a builder: a 5-minute video of someone actually booting a NixOS VM from CLI, snapshotting it, destroying it, and seeing a per-minute charge appear. Not a demo script. Not a Loom with placeholder data. Real terminal, real AWS console or equivalent, real invoice line items. That's $0 to produce and it answers the only question that matters: does the underlying tech actually work.

If I were evaluating this as a potential user (which I initially thought I was): a waitlist with 50 real signups and one blog post from someone who used it in CI would close me immediately.

## What I'd ask in an email reply

1. Is there working code somewhere, even in a private repo? The $99 tier mentions a "working code starter" but I don't know if that means a deployed product or a Terraform module with some Nix expressions.
2. Who specifically is meant to read this page right now: developers who want to use NixOS VMs, or indie hackers who want to build that product? Because the page tries to serve both and explains neither well.
3. The "sub-second boot" claim: is that benchmarked or aspirational? Because NixOS can absolutely do this but it depends heavily on what's in the closure. What's the baseline config you're measuring against?

## Verdict: on-the-fence

The pain is real and the technical premise is sound. But I spent two full reads figuring out whether I was a customer or a potential founder, and I'm still not 100% sure this page knows either.

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*Memo by skeptic persona, generated 2026-06-17. Studio breaks own self-grading loop.*