NyxOS

My NixOS config

The name is inspired by the DOTA hero Nyx

Overview

Structure (Dendric Nix Pattern)

• flake.nix => Base of the configuration
• modules => Flake Parts modules, the following modules are currently implemented:
  • System Modules:
    • apps.nix
      • flatpak
        • enable Flatpak and register the Flathub repository
    • browser.nix
      • chromium
        • install Chromium with Widevine DRM
      • firefox
        • enable Firefox system-wide
    • desktop.nix
      • base-desktop
        • enable polkit and D-Bus, required by all desktop environments
      • basic-catppuccin
        • apply Catppuccin Mocha/Peach theming system-wide without cursor theme
      • basic-fonts
        • install core fonts and Nerd Font variants of JetBrains Mono and Noto, with sane defaults
      • catppuccin
        • apply full Catppuccin Mocha/Peach theming system-wide including cursor theme
      • fonts
        • install the full Nerd Fonts collection (60+ families) plus core/Vista fonts
      • language-de
        • set German (Austria) language and locale for all LC categories
      • language-en
        • set English (GB) UI language with Austrian locale for measurements, currency, and time
    • dev.nix
      • android
        • install Android Studio, SDK platform-tools, and adb; adds elias to the adbusers group
      • c
        • install GCC, CMake, Make, GDB, Valgrind, GTest, Conan, and related C/C++ tooling
      • dev-certs
        • load all .pem certificates from the certs/ directory into the system trust store
      • dotnet
        • install .NET 10 SDK with ILSpy and set DOTNET_ROOT/DOTNET_BIN environment variables
      • go
        • install the Go toolchain with gopls, Delve debugger, and golangci-lint
      • java
        • install JDK 25 and JDK 8 with Ant, Maven, and Gradle; sets JAVA_25_HOME and JAVA_8_HOME
      • latex
        • install the full TeX Live scheme for LaTeX document authoring
      • python
        • install Python 3 with scientific and GUI libraries (numpy, matplotlib, pandas, pygobject, etc.)
    • games.nix
      • steam
        • enable Steam with Proton, Protontricks, MangoHud, Gamescope, and open firewall ports
    • kde.nix
      • kde
        • enable KDE Plasma 6 on X11 with SDDM, Austrian keyboard layout, and trimmed default packages
    • network.nix
      • blocky
        • run Blocky as a local DNS resolver with ad/malware blocking and custom LAN hostname mappings
      • cloudflared
        • run a Cloudflare Tunnel daemon for zero-trust remote access to local services
      • firewall-desktop
        • enable firewall with ports for SSH, Steam, Spotify, KDE Connect, and Stardew Valley LAN
      • firewall-server
        • enable firewall with minimal ports for SSH, HTTP/HTTPS, and DNS only
      • ssh
        • enable OpenSSH server (key-only auth) and configure client host aliases and known hosts
      • vpn
        • enable Mullvad VPN service and install WireGuard tools
      • warp
        • enable Cloudflare WARP client for secure DNS and network privacy
    • niri.nix
      • niri
        • enable the Niri tiling compositor with DankMaterialShell greeter, Thunar, and XWayland support
    • nix.nix
      • base-settings
        • enable flakes, allow unfree packages, configure the Nix daemon, and install Nix dev tools
      • distributed-build
        • configure this machine to offload builds to EliasPC via SSH
      • distributed-builder
        • configure this machine to accept remote build jobs from other hosts
      • home-manager
        • integrate Home Manager as a NixOS module with shared global packages
      • nh
        • enable nh with weekly auto-cleanup, keeping the last 3 generations for 7 days
    • optimizations.nix
      • optimizations-laptop
        • use the Zen kernel with TLP for AC/battery power profiles and an 80% charge threshold
      • optimizations-pc
        • use the Zen kernel, enable TLP in performance mode, and disable USB/PCIe power-saving for desktop use
    • system.nix
      • basic-system
        • set timezone to Vienna, enable all firmware, fwupd, fstrim, and NTFS support
      • bluetooth
        • enable Bluetooth, power on at boot, and enable experimental features for battery reportingcpu-in
      • cpu-amd
        • enable AMD CPU microcode updates
      • cpu-intel
        • enable Intel CPU microcode updates and install PowerTOP
      • gpu-amd
        • enable AMDGPU driver with ROCm/OpenCL support, GPU frequency boosting, and 32-bit graphics
      • gpu-nvidia
        • enable NVIDIA proprietary drivers with modesetting and 32-bit graphics support
      • grub
        • configure GRUB EFI bootloader with a UEFI firmware entry
      • printing
        • enable CUPS with the HP HPLIP driver and SANE scanning support
      • sound
        • enable PipeWire with ALSA and PulseAudio compatibility, rtkit, and media control tools
      • swap
        • configure zram swap and an encrypted swapfile sized via the swapSize specialArg (in GB)
    • terminal.nix
      • nix-index
        • enable nix-index-database with comma for running unlisted commands without installing them
      • terminal
        • enable ZSH system-wide and pull in the terminal Home Module for all users
    • users.nix
      • elias
        • create the elias user with wheel, networkmanager, and printing group memberships
      • others
        • create the fred and gerhard users with standard group memberships
    • utilities.nix
      • cli-utilities
        • install network, filesystem, hardware, and diagnostic CLI tools (fastfetch, jq, curl, etc.)
    • virtualization.nix
      • docker
        • enable Docker daemon with Google DNS and add all users in the users specialArg to the docker group
      • vm
        • enable VirtualBox with extension pack and guest additions for running virtual machines
      • winboat
        • enable QEMU/libvirt with SPICE USB redirection and virt-manager for Windows VMs
  • Home Modules:
    • ai.nix
      • opencode
        • enable the OpenCode AI coding agent with auto-update, Context7 MCP server, nix-module/caveman/caveman-commit/caveman-review skills, and NixOS/Nix subagent with nix-check and nix-rebuild commands
      • opencode-dotnet
        • extend OpenCode with the dotnet-dev skill and dotnet build/test/format commands
      • opencode-java
        • extend OpenCode with the java-dev skill and Maven/Gradle build/test/format commands
    • apps.nix
      • discord
        • install Vesktop with Catppuccin Mocha CSS theme
      • email
        • install Thunderbird and register it as the default mail and calendar handler
      • idea
        • install JetBrains IntelliJ IDEA
      • rider
        • install JetBrains Rider
      • kde-connect
        • install KDE Connect for phone-desktop integration
      • libreoffice
        • install LibreOffice Qt with English and German spell-check dictionaries
      • media
        • install VLC and cava, and configure Spicetify-themed Spotify with extensions
      • media-editors
        • install GIMP, Inkscape, and kdenlive for image and video editing
      • nomacs
        • install Nomacs image viewer and register it as the default for common image formats
      • obs
        • install OBS Studio with wlrobs and background-removal plugins
      • pdf
        • install Okular and pdfarranger for viewing and rearranging PDF files
      • qgis
        • install QGIS geographic information system
      • teams
        • install Teams for Linux
      • vscode
        • install VS Code (FHS wrapper) and set it as the default text editor
      • vscode-non-fhs
        • install VS Code (non-FHS) and set it as the default text editor
    • browser.nix
      • betterfox
        • configure Firefox with Betterfox hardened user.js and set it as the default browser
    • desktop.nix
      • basic-catppuccin
        • apply Catppuccin Mocha/Peach theming in Home Manager without cursor theme
      • catppuccin
        • apply full Catppuccin Mocha/Peach theming in Home Manager including GTK, Qt, icons, and cursor
    • games.nix
      • minecraft
        • install ATLauncher for managing Minecraft modpacks
    • kde.nix
      • plasma-manager
        • configure KWin, KRunner, screen locker, power settings, and session restore via plasma-manager
    • network.nix
      • sailing
        • install sailing applications ;)
    • niri.nix
      • niri
        • configure Niri keybinds, layout, and the full DankMaterialShell bar with plugins and Danksearch
    • nix.nix
      • home-manager
        • enable Home Manager self-management with monthly auto-expiry of old generations
    • terminal.nix
      • terminal
        • configure Kitty, ZSH with oh-my-zsh, Starship prompt, direnv, fzf, eza, ripgrep, and bat
    • users.nix
      • elias
        • set home directory and username for the elias Home Manager configuration
      • fred
        • set home directory and username for the fred Home Manager configuration
      • gerhard
        • set home directory and username for the gerhard Home Manager configuration
    • utilities.nix
      • git
        • configure Git with user identity, LFS, rebase-on-pull, and a log graph alias
      • gui-utilities
        • install Baobab disk analyser, Bruno API client, and GNOME multi-writer
• modules/hosts => Per-host setup. Uses the defined modules
• images => Background and ReadMe images
• workspaces => Workspaces for different tasks

Fastfetch(Laptop)

Background Image(1 of 14)

Lockscreen Image(1 of 14)