Blog System/5

Reflections on vibecoding ticket.el

It has now been a month since I started playing with Claude Code “for real” and by now I’ve mostly switched to Codex CLI: it is much snappier—who would…

24 hrs ago • Julio Merino

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February 2026

Grumpy Julio plays with CLI coding agents

Or the more tired “One week with Claude Code”-type article

Feb 9 • Julio Merino

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December 2025

ssh-agent broken in tmux? I've got you!

A re-introduction of the ssh-agent-switcher tool and its recent changes

Dec 26, 2025 • Julio Merino

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From Azure Functions to FreeBSD

Putting FreeBSD’s “power to serve” motto to the test

Dec 7, 2025 • Julio Merino

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November 2025

BazelCon 2025 recap

It has been just over two years since I started Blog System/5, and that means it’s time for the now-usual(?) BazelCon 2025 trip report!

Nov 24, 2025 • Julio Merino

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September 2025

You are holding BUILD files wrong

BUILD files are the best tool to represent software architecture; let's see why

Sep 26, 2025 • Julio Merino

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Bazel and glibc versions

Analyzing how glibc and action non-determinism can lead to surprising failures

Sep 19, 2025 • Julio Merino

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Trusting builds with Bazel remote execution

Understanding how the architecture of a remote build system for Bazel helps implement verifiable action execution and end-to-end builds

Sep 12, 2025 • Julio Merino

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Understanding Bazel remote caching

A deep dive into the Action Cache, the CAS, and the security issues that arise from using Bazel with a remote cache but without remote execution

Sep 5, 2025 • Julio Merino

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July 2025

Bazel and action (non-) determinism

A key feature of Bazel is its ability to produce fast, reliable builds by caching the output of actions.

Jul 21, 2025 • Julio Merino

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June 2025

Lessons along the EndBOX journey

How a wild side-quest became the source of many of the articles you’ve read—and have come to expect—in this publication

Jun 17, 2025 • Julio Merino

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Whatever happened to sandboxfs?

Back in 2017–2020, while I was on the Blaze team at Google, I took on a 20% project that turned into a bit of an obsession: sandboxfs. Born out of my…

Jun 11, 2025 • Julio Merino

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