@jchundevalel

Accidental Complexity

@jchundevalel

Because over-engineering is fun!

Joined April 2026

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Needless complexity, production-grade architecture!accidentalcomplexity.hashnode.dev9 posts

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Building a self-hosted AI agent cluster with Raspberry Pi 5 and Hailo AI HAT+ 2

4d ago · 17 min read · Introduction So there I was, staring at four Raspberry Pi 5s, two Hailo AI HAT+ accelerators, a growing pile of cables, and the uncomfortable realization that I had built a tiny data center to avoid s

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Part 7-What I Learned, What I'd Do Differently

May 2 · 10 min read · What's Running Now The stack that is currently serving 100+ devices across my two networks: So far, everything is working as expected. Ads are blocked, DNS is encrypted and both networks have real c

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Part 6 - Performance Tuning: Getting the Most from Raspberry Pi

Apr 28 · 7 min read · Why Tune? The truth is, my 11-node Raspberry Pi 4B K3s cluster is not a rack of Xeon-powered space heaters. Each Pi is a 4-core ARM Cortex-A72 with 2-8GB RAM. In this setup, there are a lot of things

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Part 5 - Nebula Sync: Keeping Two Pi-holes in Sync

Apr 26 · 5 min read · The Sync Problem Two Pi-hole pods, two separate NFS PVCs, and two completely isolated SQLite databases. Yes, this is how the NFS multi-writer corruption crisis was averted. But it creates a new proble

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Part 4 - Pi-hole on Kubernetes: Everything That Went Wrong

Apr 26 · 12 min read · This part is not a tutorial, but an honest account of what broke, how it broke, and what actually fixed it. If you're following along and something isn't working, there's a good chance it's in this li

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Accidental Complexity

About

Available for

Accidental Complexity's blogs

Recently published

Building a self-hosted AI agent cluster with Raspberry Pi 5 and Hailo AI HAT+ 2

Part 7-What I Learned, What I'd Do Differently

Part 6 - Performance Tuning: Getting the Most from Raspberry Pi

Part 5 - Nebula Sync: Keeping Two Pi-holes in Sync

Part 4 - Pi-hole on Kubernetes: Everything That Went Wrong

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Accidental Complexity

About

Available for

Accidental Complexity's blogs

Recently published

Building a self-hosted AI agent cluster with Raspberry Pi 5 and Hailo AI HAT+ 2

Part 7-What I Learned, What I'd Do Differently

Part 6 - Performance Tuning: Getting the Most from Raspberry Pi

Part 5 - Nebula Sync: Keeping Two Pi-holes in Sync

Part 4 - Pi-hole on Kubernetes: Everything That Went Wrong