first

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1711703276,
+        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = ''
+    My personal NixOS Flake templates! 
+
+    For questions just DM me on X: https://twitter.com/@m3tam3re
+    There is also some NIXOS content on my YT channel: https://www.youtube.com/@m3tam3re
+
+    One of the best ways to learn NIXOS is to read other peoples configurations. I have personally learned a lot from Gabriel Fontes configs:
+    https://github.com/Misterio77/nix-starter-configs
+  '';
+
+  inputs = { nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; };
+
+  outputs = { nixpkgs, ... }:
+    let
+      systems = [
+        "aarch64-linux"
+        "i686-linux"
+        "x86_64-linux"
+        "aarch64-darwin"
+        "x86_64-darwin"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs systems;
+    in {
+      templates = {
+        nixos-standard = {
+          description = ''
+            NIXOS Standard - contains the basic flake structure I use to configure multiple machines and user environtments.
+          '';
+          path = ./nixos/standard;
+        };
+      };
+      formatter =
+        forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);
+    };
+}

nixos/standard/flake.nix

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+{
+  description = "A very basic flake";
+
+  inputs = {
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, home-manager, nixpkgs }@inputs: {
+    nixosConfigurations = {
+      your-host = nixpkgs.lib.nixosSystem {
+        specialArgs = { inherit inputs; };
+        modules = [ ./hosts/your-host ];
+      };
+    };
+  };
+}

nixos/standard/home/common/default.nix

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+{ config, lib, pkgs, ... }: {
+  nixpkgs = {
+    # You can add overlays here
+    overlays = [
+      # Add overlays your own flake exports (from overlays and pkgs dir):
+      #outputs.overlays.additions
+      #outputs.overlays.modifications
+      #outputs.overlays.stable-packages
+
+      # You can also add overlays exported from other flakes:
+      # neovim-nightly-overlay.overlays.default
+
+      # Or define it inline, for example:
+      # (final: prev: {
+      #   hi = final.hello.overrideAttrs (oldAttrs: {
+      #     patches = [ ./change-hello-to-hi.patch ];
+      #   });
+      # })
+    ];
+    # Configure your nixpkgs instance
+    config = {
+      # Disable if you don't want unfree packages
+      allowUnfree = true;
+      # Workaround for https://github.com/nix-community/home-manager/issues/2942
+      allowUnfreePredicate = _: true;
+    };
+  };
+
+  nix = {
+    package = lib.mkDefault pkgs.nix;
+    settings = {
+      experimental-features = [ "nix-command" "flakes" "repl-flake" ];
+      warn-dirty = false;
+    };
+  };
+}

nixos/standard/home/your-name/home.nix

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+# This is a default home.nix generated by the follwing hone-manager command
+# 
+# home-manager init ./
+
+{ config, lib, pkgs, ... }:
+
+{
+  # Home Manager needs a bit of information about you and the paths it should
+  # manage.
+  home.username = lib.mkDefault "your-name";
+  home.homeDirectory = lib.mkDefault "/home/${config.home.username}";
+
+  # This value determines the Home Manager release that your configuration is
+  # compatible with. This helps avoid breakage when a new Home Manager release
+  # introduces backwards incompatible changes.
+  #
+  # You should not change this value, even if you update Home Manager. If you do
+  # want to update the value, then make sure to first check the Home Manager
+  # release notes.
+  home.stateVersion = "24.05"; # Please read the comment before changing.
+
+  # The home.packages option allows you to install Nix packages into your
+  # environment.
+  home.packages = [
+    # # Adds the 'hello' command to your environment. It prints a friendly
+    # # "Hello, world!" when run.
+    # pkgs.hello
+
+    # # It is sometimes useful to fine-tune packages, for example, by applying
+    # # overrides. You can do that directly here, just don't forget the
+    # # parentheses. Maybe you want to install Nerd Fonts with a limited number of
+    # # fonts?
+    # (pkgs.nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
+
+    # # You can also create simple shell scripts directly inside your
+    # # configuration. For example, this adds a command 'my-hello' to your
+    # # environment:
+    # (pkgs.writeShellScriptBin "my-hello" ''
+    #   echo "Hello, ${config.home.username}!"
+    # '')
+  ];
+
+  # Home Manager is pretty good at managing dotfiles. The primary way to manage
+  # plain files is through 'home.file'.
+  home.file = {
+    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
+    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
+    # # symlink to the Nix store copy.
+    # ".screenrc".source = dotfiles/screenrc;
+
+    # # You can also set the file content immediately.
+    # ".gradle/gradle.properties".text = ''
+    #   org.gradle.console=verbose
+    #   org.gradle.daemon.idletimeout=3600000
+    # '';
+  };
+
+  # Home Manager can also manage your environment variables through
+  # 'home.sessionVariables'. If you don't want to manage your shell through Home
+  # Manager then you have to manually source 'hm-session-vars.sh' located at
+  # either
+  #
+  #  ~/.nix-profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  ~/.local/state/nix/profiles/profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  /etc/profiles/per-user/m3tam3re/etc/profile.d/hm-session-vars.sh
+  #
+  home.sessionVariables = {
+    # EDITOR = "emacs";
+  };
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+}

nixos/standard/home/your-name/your-host.nix

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+{ config, ... }: { imports = [ ./home.nix ../common ]; }

nixos/standard/hosts/common/default.nix

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+# Common configuration for all hosts
+
+{ config, lib, inputs, ... }: {
+  nix = {
+    settings = {
+      experimental-features = "nix-command flakes";
+      trusted-users = [ "root" "m3tam3re" ];
+    };
+    gc = {
+      automatic = true;
+      options = "--delete-older-than 30d";
+    };
+    optimise.automatic = true;
+    registry = (lib.mapAttrs (_: flake: { inherit flake; }))
+      ((lib.filterAttrs (_: lib.isType "flake")) inputs);
+    nixPath = [ "/etc/nix/path" ];
+  };
+}

nixos/standard/hosts/your-host/default.nix

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+# A staring point is the basic NIXOS configuration generated by the ISO installer.
+# On an existing NIXOS install you can use the following command in your flakes basedir:
+# sudo nixos-generate-config --dir ./hosts/your-host
+# 
+# Please make sure to change the first couple of lines in your configuration.nix:
+
+# { config, inputs, lib, pkgs, ... }:
+#
+# {
+#   imports = [ # Include the results of the hardware scan.
+#     ./hardware-configuration.nix
+#     inputs.home-manager.nixosModules.home-manager
+#   ];
+#   ...
+#
+# Moreover please update the packages option in your user configuration and add the home-manager options:
+
+# users.users = {
+#   your-name = {
+#     isNormalUser = true;
+#     initialPassword = "12345";
+#     extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+#     packages = [ inputs.home-manager.packages.${pkgs.system}.default ];
+#   };
+# };
+#
+# home-manager = {
+#   useUserPackages = true;
+#   users.your-name =
+#     import ../../home/your-name/${config.networking.hostName}.nix;
+# };
+
+{
+  imports = [ ../common ./configuration.nix ];
+}