Restructure Directories

nixos/cachix.nix

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+
+# WARN: this file will get overwritten by $ cachix use <name>
+{ pkgs, lib, ... }:
+
+let
+  folder = ./cachix;
+  toImport = name: value: folder + ("/" + name);
+  filterCaches = key: value: value == "regular" && lib.hasSuffix ".nix" key;
+  imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder));
+in {
+  inherit imports;
+  nix.binaryCaches = ["https://cache.nixos.org/"];
+}

nixos/cachix/nix-community.nix

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+
+{
+  nix = {
+    binaryCaches = [
+      "https://nix-community.cachix.org"
+    ];
+    binaryCachePublicKeys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+  };
+}

nixos/configuration.nix

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+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ inputs, lib, config, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+
+      # NixCommunity binary cache
+      ./cachix.nix
+    ];
+
+  # Enable flakes
+  # Keep nix-shell from grabage collection for direnv (keep-outputs + keep-derivations)
+  nix = {
+    package = pkgs.nixFlakes;
+    extraOptions = ''
+      experimental-features = nix-command flakes
+
+      keep-outputs = true
+      keep-derivations = true
+    '';
+  };
+
+  # TODO: Understand this
+  # This will add your inputs as registries, making operations with them (such
+  # as nix shell nixpkgs#name) consistent with your flake inputs.
+  nix.registry = lib.mapAttrs' (n: v: lib.nameValuePair n { flake = v; }) inputs;
+
+  # TODO: Understand that
+  # Will activate home-manager profiles for each user upon login
+  # This is useful when using ephemeral installations
+  environment.loginShellInit = ''
+    [ -d "$HOME/.nix-profile" ] || /nix/var/nix/profiles/per-user/$USER/home-manager/activate &> /dev/null
+  '';
+
+  # Kernel
+  boot.kernelPackages = pkgs.linuxPackages_zen;
+  boot.kernelParams = [ "mitigations=off" ];
+  security.protectKernelImage = true;
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.systemd-boot.configurationLimit = 5;
+  boot.loader.systemd-boot.editor = false;
+  boot.loader.systemd-boot.consoleMode = "max";
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.efi.efiSysMountPoint = "/boot/efi";
+
+  hardware.cpu.intel.updateMicrocode = true;
+
+  # Make /tmp volatile
+  boot.tmpOnTmpfs = true;
+
+  networking.hostName = "nixinator"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # Enable the KDE Plasma Desktop Environment.
+  services.xserver.videoDrivers = ["nvidia"];
+  hardware.nvidia.modesetting.enable = true; # Not officially supported by NVidia
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.desktopManager.plasma5.enable = true;
+  services.xserver.desktopManager.plasma5.runUsingSystemd = true;
+
+  # Configure keymap in X11
+  services.xserver = {
+    layout = "us";
+    xkbVariant = "altgr-intl";
+  };
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+  # TODO: Printer driver
+  services.avahi.enable = true; # Network printers
+  services.avahi.nssmdns = true;
+  hardware.sane.enable = true; # Scanning
+
+  # Enable sound with pipewire.
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    jack.enable = true; # We need this for low latency audio
+
+    # use the example session manager (no others are packaged yet so this is enabled by default,
+    # no need to redefine it in your config for now)
+    #media-session.enable = true;
+  };
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.christoph = {
+    isNormalUser = true;
+    description = "Christoph";
+    extraGroups = [ "networkmanager" "wheel" "audio" "realtime" "docker" "adbusers" "scanner" "lp" ];
+    shell = pkgs.fish;
+    # Do this with HomeManager
+    packages = with pkgs; [
+    #  firefox
+    #  kate
+    #  thunderbird
+    ];
+  };
+
+  environment.shells = with pkgs; [ fish ];
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    wget
+    git
+    dosfstools
+    ntfs3g
+    e2fsprogs
+  ];
+
+  # Auto garbage-collect and optimize store
+  nix.gc.automatic = true;
+  nix.gc.options = "--delete-older-than 5d";
+  nix.autoOptimiseStore = true;
+  nix.optimise.automatic = true;
+
+  # Use all redistributable firmware (i.e. nonfree)
+  hardware.enableRedistributableFirmware = true;
+
+  # Enable automatic upgrades.
+  system.autoUpgrade.enable = false;
+  system.autoUpgrade.allowReboot = false;
+
+  # Docker
+  virtualisation.docker = {
+    enable = true;
+    autoPrune.enable = true;
+  };
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = true;
+
+  services.journald.extraConfig = ''
+    SystemMaxUse=50M
+  '';
+
+  # TODO: What to transfer to HomeManager?
+  services.lorri.enable = true; # Cache direnv
+  services.locate.enable = true; # Periodically update index
+  services.emacs.enable = false; # timeout?
+  services.fstrim.enable = true;
+  services.xserver.wacom.enable = true;
+
+  # TODO: Other ports (tcp/udp/ssh...)?
+  # Open ports in the firewall.
+  networking.firewall.allowedTCPPorts = [ ];
+  networking.firewall.allowedTCPPortRanges = [
+    { # KDEConnect
+      from = 1714;
+      to = 1764;
+    }
+  ];
+
+  networking.firewall.allowedUDPPorts = [ ];
+  networking.firewall.allowedUDPPortRanges = [
+    { # KDEConnect
+      from = 1714;
+      to = 1764;
+    }
+  ];
+
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "22.05"; # Did you read the comment?
+
+}

nixos/hardware-configuration.nix

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+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/b87bbc3d-edd3-434a-b4a3-859bf62b8a17";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot/efi" =
+    { device = "/dev/disk/by-uuid/36A9-3D74";
+      fsType = "vfat";
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp4s0u2.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp3s0.useDHCP = lib.mkDefault true;
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  # high-resolution display
+  hardware.video.hidpi.enable = lib.mkDefault true;
+}