Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
I fine-tuned Llama 3 8B on a single 4090 over a weekend for a side project. Here's what worked, what cost more than expected, and what I'd do differently.
A different angle on AWS cost work: the operational discipline that prevents costs from creeping back up after the initial cleanup.
Bash patterns beyond the basics: arrays, traps, process substitution, parameter expansion. The features that earn their place when scripts grow.
We cut our average production image size by 78% with multi-stage builds. The patterns that worked, the ones that didn't, and the production gotchas.
We use Ansible for configuration management on hosts where Terraform stops. The workflow that keeps it tractable and what we wish we'd known about idempotency.
