nix-config/vars

Variables

Common variables and configuration used across my NixOS and nix-darwin configurations.

Current Structure

vars/
├── README.md
├── default.nix         # Main variables entry point
└── networking.nix      # Network configuration and host definitions

Components

1. default.nix

Contains user information, SSH keys, and password configuration:

• User credentials (username, full name, email)
• Initial hashed password for new installations
• SSH authorized keys (main and backup sets)
• Public key references for system access

2. networking.nix

Comprehensive network configuration including:

• Gateway settings: Main router and proxy gateway configurations
• DNS servers: IPv4 and IPv6 name servers
• Host inventory: Complete mapping of all hosts with their network interfaces and IP addresses
• SSH configuration: Remote builder aliases and known hosts configuration
• Network topology: Physical machines, VMs, Kubernetes clusters, and SBCs

Host Categories

The networking configuration covers:

• Physical machines: Desktop PCs, Apple Silicon systems, SBCs
• Virtual machines: VM guests, K3s nodes
• Kubernetes clusters: Production and testing environments
• Network infrastructure: Routers, gateways, and DNS configuration

Usage

These variables are imported and used throughout the configuration to ensure consistency across all hosts and maintain centralized network and security settings.