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A very opinionated (technically only for me) configuration that allows easy adding and removing of systems alongside custom configurations for each system.

Usage

This flake is intended to be used as an input to your own NixOS configuration:

dashNix = {
  url = "github:DashieTM/DashNix";
  inputs = {
    # ensure these are here to update the packages on your own
    nixpkgs.follows = "nixpkgs";
    stable.follows = "stable";
  };
};

You can then configure your systems in your flake outputs with a provided library command:

nixosConfigurations = inputs.dashNix.dashNixLib.build_systems { root = ./.; };

This command will build each system that is placed within the hosts/ directory. In this directory create one directory for each system you want to configure with DashNix. This will automatically pick up the hostname for the system and look for 3 different files that are explained below. (Optionally, you can also change the parameter root (./.) to define a different starting directory than hosts/)

In order for your configuration to work, you are required to at least provide a single config file with a further config file being optional for custom configuration. The hardware.nix specifies additional NixOS configuration, while home.nix specifies additional home-manager configuration. (both optional)

|- flake.nix
|- flake.lock
|- hosts/
|--- system1/
|------ configuration.nix (required)
|------ hardware.nix (optional)
|------ home.nix (optional)
|--- system2/
|------ configuration.nix (required)
|------ hardware.nix (optional)
|------ home.nix (optional)
|--- system3/
|------ configuration.nix (required)
|------ hardware.nix (optional)
|------ home.nix (optional)

Here is a minimal required configuration.nix (the TODOs mention a required change):

{config, ...}: {
  # variables for system
  # TODO important changes
  conf = {
    # change this to your monitor and your pc name
    # should be something like DP-1
    defaultMonitor = "YOURMONITOR";
    # width x height  @ refreshrate
    defaultMonitorMode = "1920x1080@60";
    # scale for your main monitor
    defaultMonitorScale = "1";
    # your username
    username = "YOURNAME";
    # TODO only needed when you use intel -> amd is default
    # cpu = "intel";
    locale = "something.UTF-8";
    timezone = "CONTINENT/CITY";
  };
  # modules
  mods = {
    # default disk config has root home boot and swap partition, overwrite if you want something different
    drives = {
        # default assumes ROOT, BOOT, HOME and SWAP labaled drives exist
        # for an example without HOME see below
        # defaultDrives.enable = false;
        # extraDrives = [
        #   {
        #     name = "boot";
        #     drive = {
        #       device = "/dev/disk/by-label/BOOT";
        #       fsType = "vfat";
        #       options = [ "rw" "fmask=0022" "dmask=0022" "noatime" ];
        #     };
        #   }
        #   {
        #     name = "";
        #     drive = {
        #       device = "/dev/disk/by-label/ROOT";
        #       fsType = "ext4";
        #       options = [ "noatime" "nodiratime" "discard" ];
        #     };
        #   }
        # ];
    };
    sops.enable = false;
    nextcloud.enable = false;
    # default hyprland monitor config -> uncomment when necessary
    # TODO: Add more monitors when needed
    #   hyprland.monitor = [
    #     # default
    #     "${config.conf.defaultMonitor},${config.conf.defaultMonitorMode},0x0,${config.conf.defaultMonitorScale}"
    #     # second example monitor
    #     "DP-2,3440x1440@180,auto,1"
    #     # all others
    #     ",highrr,auto,1"
    #   ];
    # or amd, whatever you have
    gpu.nvidia.enable = true;
    kde_connect.enable = true;
    # login manager:
    # default is greetd
    # greetd = { };
    # sddm = { };
    # gdm = { };
  };
}

First Login

After logging in the first time, your password will be set to "firstlogin", please change this to whatever you like.

Nixos and Home-manager Modules

You can add additional modules or remove all of them by overriding parameters to the build_systems command:

nixosConfigurations =
    let
        additionalMods = {
            nixos = [
            # your modules
            ]; home = [
            # your modules
            ];
        }
        # passing this parameter will override the existing modules
        mods = {
            nixos = [];
            home = [];
        }
    in
    inputs.dashNix.dashNixLib.build_systems { root = ./.; inherit mods additionalMods; };

Installation

You can find a custom ISO on my NextCloud server: Link. With this, you will receive the example config in /iso/example alongside the gnome desktop environment, as well as a few tools like gnome-disks, neovim, vscodium, a browser etc.

Alternatively, you can use whatever NixOS installer and just install your config from there, just make sure to set the drive configuration before.

Modules

This configuration features several modules that can be used as preconfigured "recipies". These modules attempt to combine the home-manager and nixos packages/options to one single configuration file for each new system. For package lists, please check the individual modules, as the lists can be long.

• base packages : A list of system packages to be installed by default
• home packages : A list of home packages to be installed by default
• media packages : A list of media packages to be installed by default
• coding packages : A list of coding packages to be installed by default
• acpid : Enables the acpid daemon
• bluetooth : Configures/enables bluetooth and installs tools for bluetooth
• drives : A drive configuration module
• flatpak : Installs and enables declarative flatpak
• gnome_services : Gnome services for minimal enviroments -> Window managers etc
• gpu : GPU settings (AMD)
• greetd : Enables and configures the greetd/regreet login manager with Hyprland
• kde_connect : Enables KDE connect and opens its ports
• layout : Modules to configure keyboard layout system wide
• piper : Installs and enables piper alongside its daemon
• printing : Enables and configures printing services
• virtualbox : Enables and configures virtualbox
• xone : Installs the xone driver
• starship : Configures the starship prompt
• keepassxc : Configures keepassxc
• gaming : Configures gaming related features (launchers, gamemode)
• stylix : Configures system themes, can also be applied to dashvim if used.
• git : Git key and config module
• nextcloud : Handles synchronization via nextcloud cmd. (requires config.sops.secrets.nextcloud)
• firefox: Enables and configures firefox (extensions and settings)
• Hyprland: Installs and configures Hyprland with various additional packages
• yazi: Installs yazi and sets custom keybinds
• teams: For the poor souls that have to use this....
• sops: Enables sops-nix
• fish: Enables and configures fish shell
• kitty: Enables and configures kitty terminal
• oxi: My own programs, can be selectively disabled, or as a whole
• mime: Mime type configuration
• xkb: Keyboard layout configuration
• scripts: Various preconfigured scripts with the ability to add more

Credits

• Fufexan for the xdg-mime config:
• Catppuccin for base16 colors
• Danth for providing a base for the nix docs