Lou's NixOS config

configuration.nix

# 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’).

{ config, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      <home-manager/nixos>
    ];

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.kernelPackages = pkgs.linuxPackages_latest;

  boot.initrd.luks.devices."luks-44bf3815-7992-4e8e-9ade-5ac31585bfd8".device = "/dev/disk/by-uuid/44bf3815-7992-4e8e-9ade-5ac31585bfd8";
  networking.hostName = "nixos"; # 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/Paris";

  # Select internationalisation properties.
  i18n.defaultLocale = "fr_FR.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "fr_FR.UTF-8";
    LC_IDENTIFICATION = "fr_FR.UTF-8";
    LC_MEASUREMENT = "fr_FR.UTF-8";
    LC_MONETARY = "fr_FR.UTF-8";
    LC_NAME = "fr_FR.UTF-8";
    LC_NUMERIC = "fr_FR.UTF-8";
    LC_PAPER = "fr_FR.UTF-8";
    LC_TELEPHONE = "fr_FR.UTF-8";
    LC_TIME = "fr_FR.UTF-8";
  };

  # Configure keymap in X11
  services.xserver = {
    xkb.layout = "fr";
    xkb.variant = "azerty";
  };

  # configure udev rules
  services.udev.packages = [ pkgs.yubikey-personalization ];

  # Configure console keymap
  console.keyMap = "fr";

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.lou = {
    isNormalUser = true;
    description = "Lou Lécrivain";
    extraGroups = [
     "networkmanager"
     "wheel"
     "wireshark"
     "libvirtd"
     "docker"
    ];
    packages = with pkgs; [
    ];
  };


  # home manager system wide settings
  home-manager.useUserPackages = true;

  # home manager user settings 
  home-manager.users.lou = { pkgs, config, ... }: {
    # nix pkg manager settings
    nix.settings = {
       experimental-features = [ "nix-command" "flakes" ];
    };
    
    home.packages = with pkgs; [
      emacs git htop mg mpv tmux wget file unzip feh
      pinentry yubikey-manager gnupg qrencode
      libreoffice firefox nextcloud-client
      linphone liblinphone eduvpn-client
      direnv devenv python3 poetry
      mtr dig inetutils
      ghidra jetbrains.pycharm-community
    ];

    dconf.settings = {
      "org/gnome/desktop/wm/keybindings" = {
          close = [ "<Super><Shift>C" ];
      };
      "org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom0" = {
          binding = "<Shift><Super>Return";
          command = "kgx";
          name = "gnome term";
      };
    };
    
    xdg.userDirs = {
      enable = true;
      createDirectories = true;
       
      desktop = "${config.home.homeDirectory}/desktop";
      documents = "${config.home.homeDirectory}/docs";
      download = "${config.home.homeDirectory}/dw";
      music = "${config.home.homeDirectory}/zic";
      pictures = "${config.home.homeDirectory}/pics";
      publicShare = "${config.home.homeDirectory}/pub";
      templates = "${config.home.homeDirectory}/templates";
      videos = "${config.home.homeDirectory}/vid";
    };

    programs.git = {
      enable = true;
      lfs.enable = true;
      userName = "lou lecrivain";
      userEmail = "[email protected]";
      signing.key = null;
      signing.signByDefault = true;
    };
    
    programs.bash = {
      enable = true;
      initExtra = ''
          export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
          gpgconf --launch gpg-agent
      '';
    };

    programs.gpg = {
      enable = true;
      # we also have pcscd installed, see https://ludovicrousseau.blogspot.com/2019/06/gnupg-and-pcsc-conflicts.html
      scdaemonSettings = { disable-ccid = true; };
    };

    programs.ssh = {
      enable = true;
      matchBlocks."matrix-gwdg".user = "lou.lecrivain";
      matchBlocks."matrix-gwdg".host = "*.matrix.gwdg.de";
      extraConfig = ''
Host *
  User llecrivain
      '';
    };

    programs.direnv = {
      enable = true;
      nix-direnv.enable = true;
      config.global = {
        load_dotenv = false;
        hide_env_diff = true;
      };
    };

    services.gpg-agent = {
      enable = true;
      enableSshSupport = true;
      pinentryPackage = pkgs.pinentry-gtk2;
    };

    # required and should stay as is
    home.stateVersion = "23.11";
  };


  # 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.
     vim
     gnome-flashback
     gnome-power-manager
     adwaita-icon-theme
     gdm
     gnome-icon-theme
     synapse
     networkmanager-vpnc
     networkmanager-openconnect
     networkmanager-openvpn
     networkmanagerapplet
     vpnc
     wireshark
     virt-manager
     pcsclite 
     yubikey-personalization
     libu2f-host
     # unstable.eduvpn-client
  ];

  virtualisation.docker = {
	enable = true;
  };
  virtualisation.libvirtd.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;
  # };
  programs.wireshark.enable = true;
  programs.wireshark.package = pkgs.wireshark-qt;

  # List services that you want to enable:
  # xsession stuff
  services.xserver.enable = true;
  services.xserver.displayManager.gdm.enable = true;
  services.xserver.desktopManager.gnome.enable = true;
  services.xserver.desktopManager.gnome.flashback.enableMetacity = true;
  services.displayManager.defaultSession = "gnome-flashback-metacity";
  # smartcard
  services.pcscd.enable = true;
  # ignore lid
  services.logind.lidSwitch = "ignore";

  # Enable the OpenSSH daemon.
  # services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;
  networking.firewall.checkReversePath = 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 = "23.11"; # Did you read the comment?

}