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Building Control Planes: From Classical Patterns to Kubernetes Operators
A primer for experienced engineers approaching Kubernetes API machinery
The Mental Model Journey
Before we dive into Kubernetes specifics, let's establish what we're actually building: a control plane. Not container orchestration, not pod scheduling—those are implementation details of one particular control plane (the one that ships with Kubernetes). We're interested in the machinery itself.
OptiPlex Prime Platform Reference Architecture v2.0
Document Scope
This document defines the reference hardware architecture for a progressive-scaling homelab cluster designed for enterprise development, machine learning, and cloud-native workloads. The architecture prioritizes used enterprise hardware for cost optimization while maintaining production-grade capabilities.
Design Principles
Progressive Investment Model: Start at $300/node, scale to $3000+/node
Vertical-then-Horizontal Scaling: Maximize per-node capacity before adding nodes
This guide documents the command-line installation procedure for GrapheneOS on a Google Pixel 6 Pro (codename: raven) from an Ubuntu 24.04 host system.
This document provides production-ready specifications for implementing a declarative, Nix flake-based tmux configuration for the Kalilix project. The implementation eliminates imperative plugin management (TPM), achieves hermetic reproducibility through home-manager, and delivers a 90% solution for modern terminal-based development workflows targeting macOS, Linux, and WSL environments.
Core recommendation: Use home-manager's programs.tmux module with tmuxp for session management, vim-tmux-navigator for neovim integration, and Catppuccin Macchiato theme with samoshkin's F12 nested session pattern for remote work. This combination provides battle-tested reliability, excellent Nix integration, and minimal cognitive overhead.
Why this matters: Developers waste 5-10 minutes daily on tmux configuration inconsistencies, SSH clipboard issues, and context switching between local/remote sessions. A
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