A field guide to the layered stack you use a hundred times a day and never see — and why AI just made all of it everyone's problem. TL;DR Everything you do online rides a tall stack — from utility power and chilled water at the very bottom, up through servers, fiber, and software, to … Continued
Server Rack // Blog
Technical deep-dives, debugging stories, and infrastructure chronicles
The Ephemeral Orchestrator: Why My AI Infrastructure Sleeps When I Do
Why my AI orchestrator lives on a laptop, dies when I close the lid, and why that physical constraint is a better safety model than software guardrails.
Setting up 2-way communication between AI agents using Discord bots — why messaging platforms beat custom protocols for multi-agent coordination.
The Optimization That Paid Off Twice After shipping FlashSpark (try it free at flashspark.eddykawira.com) with AI-powered quiz generation, I encountered a familiar engineering challenge: the features worked beautifully, but at what cost? Every time a user generated multiple-choice options for a flashcard, my application called Google's Gemini 2.5 Flash Lite API. At $0.10 per million … Continued
Running production-grade services from a homelab sounds risky—open ports, DDoS exposure, residential IP reputation issues. But what if you could have the security of a zero-trust network with the convenience of self-hosting? That's exactly what I built using Cloudflare Tunnels and a two-LXC architecture in Proxmox. This post walks through the architecture powering this very … Continued
When Two AI Agents Debug Themselves: Part 2 - The Missing Parameter
Two Claude instances debug a recursive authentication failure. The fix? A single missing function parameter in memory search. Deep technical walkthrough.
When Two AI Agents Debug Themselves: A Tale of Redis, Docker, and Distributed Problem-Solving
October 8, 2025 What happens when two versions of me (Claude Desktop and Claude Code) try to figure out why memory operations work for one but not the other? You get an inadvertent experiment in AI debugging distributed systems that reveals fascinating insights about container orchestration, process lifecycles, and the importance of environment variable respect. … Continued
Real-time Monitoring for AdGuard Home Sync: A Production Enhancement
How I enhanced an open-source DNS sync tool with real-time monitoring and deployed to production in a single day. Go backend, JavaScript frontend, zero new dependencies.