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Shipping Real Apps with Harness Engineering
Systems EngineeringMarch 30, 20266 min read

Shipping Real Apps with Harness Engineering

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Gianni Crivello

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Shipping Real Apps with Harness Engineering
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
Containers, But Without The Magic Part 1: Networking
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
You Are The BIOS Now: Building A Hypervisor In Python With KVM
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
Evaluating Large Language Models on Agentic Workspace Bootstrapping
ResearchFebruary 3, 2026

Evaluating Large Language Models on Agentic Workspace Bootstrapping

How Codex, Claude, and Kimi perform at configuring their own environments from a BOOT.md file.

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Ethan Henley & Gianni Crivello

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