Systems EngineeringMarch 30, 2026
Shipping Real Apps with Harness Engineering
Dogfooding Nightshift by running Claude Code inside a chicklet to migrate production infrastructure, fix a live ETL bug, and ship a full-stack feature. Harness engineering at the platform level.
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Gianni Crivello
Systems EngineeringMarch 5, 2026
Containers, But Without The Magic Part 1: Networking
Building container networking from scratch using only the ip command. What network namespaces, veth pairs, and CNI plugins actually do under the hood.
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Gianni Crivello
Systems EngineeringFebruary 27, 2026
You Are The BIOS Now: Building A Hypervisor In Python With KVM
Build a minimal Type-II hypervisor in Python using KVM. A beginner-friendly walkthrough of ioctls, guest memory, and running your first hello-world VM in about 250 lines.
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Gianni Crivello