NixOS Configuration

Overview

• OS: NixOS (Branch: 25.11)
• DM: cosmic-greeter (greetd)
• DE: COSMIC (Epoch 1)
• Theme: Catppuccin Mocha (Blue Accent)
• Shell: Zsh + Starship + Atuin + Rust Coreutils
• Terminal: Wezterm + Zellij
• Editor: Helix
• Security: dbus-broker
• Gaming: Steam (NVIDIA Optimized), Heroic, Lutris, Bottles, Conty

Documentation

• Hardware Configuration
• NVIDIA Driver Updates
• Security & Hardening
• Secret Management
• Zellij Configuration
• Wezterm Configuration
• Helix Editor
• Terminal Workflows & Configuration
• Documentation Index

Structure

• hosts/: host-specific system configuration (ninja, windy)
• modules/: reusable NixOS modules behind mySystem.* options
• home/: Home Manager modules for user-level configuration
• users/: per-user profile composition
• overlays/: package overrides
• Custom packages live in nix-packages and are consumed as a flake input

Quick Start

To apply changes and switch to the new configuration:

# Using nh (recommended)
nh os switch .

# Standard Nix
sudo nixos-rebuild switch --flake .

# Update all flake inputs
nix flake update

# Clean old generations
nh clean all