NixOS : Guide sur cette distribution déclarative

# 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
    ];
 
  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
 
  networking.hostName = "nixos-twitch"; # 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";
  };
 
  # Enable the X11 windowing system.
  services.xserver.enable = true;
 
  # Enable the GNOME Desktop Environment.
  services.xserver.displayManager.gdm.enable = true;
  services.xserver.desktopManager.gnome.enable = true;
 
  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "fr";
    variant = "azerty";
  };
 
  # Configure console keymap
  console.keyMap = "fr";
 
  # Enable CUPS to print documents.
  services.printing.enable = true;
 
  # Enable sound with pipewire.
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.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.adrien = {
    isNormalUser = true;
    description = "adrien";
    extraGroups = [ "networkmanager" "wheel" ];
    packages = with pkgs; [
    #  thunderbird
    ];
  };
 
  # Install firefox.
  programs.firefox.enable = true;
 
  # 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
  ];
 
  # List services that you want to enable:
 
  # 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;
 
  # 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 = "24.05"; # Did you read the comment?
 
}
 

# 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 + "/profiles/qemu-guest.nix")
    ];
 
  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "kvm-intel" ];
  boot.extraModulePackages = [ ];
 
  fileSystems."/" =
    { device = "/dev/disk/by-uuid/cc0b1b57-1e2a-49fe-896c-17ea6da1f4d3";
      fsType = "ext4";
    };
 
  fileSystems."/boot" =
    { device = "/dev/disk/by-uuid/3B88-DF40";
      fsType = "vfat";
      options = [ "fmask=0077" "dmask=0077" ];
    };
 
  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.ens18.useDHCP = lib.mkDefault true;
 
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}
 

  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ./adrien.nix
    ];

{ config, pkgs, ... }:
 
{
# Contenu du fichier
}

sudo nixos-rebuild switch

sudo nix-channel --update

sudo nixos-rebuild switch

sudo nixos-rebuild switch --upgrade

sudo systemctl reboot

nix-channel --list | grep nixos

nix-channel --add https://channels.nixos.org/nixos-24.11 nixos

sudo nixos-rebuild switch --upgrade

sudo systemctl reboot

nixos-rebuild list-generations

nix-collect-garbage --delete-older-than 30d

nix-collect-garbage -d

nix.settings.auto-optimise-store = true;
nix.gc.automatic = true;
nix.gc.dates = "weekly";
nix.gc.options = "--delete-older-than 15d";

  # Programmes
  programs.htop.enable = true;
  programs.vim.package = pkgs.vim-full;
  programs.vim.defaultEditor = true;
 

  # Paquets qui n'ont pas d'options
  environment.systemPackages = with pkgs; [
    gnomeExtensions.dash-to-dock
    gnomeExtensions.appindicator
    gnome.gnome-tweaks
    gnome-extension-manager
    nmon
    libreoffice-fresh
    songrec
  ];

  # Exclure les logiciels de GNOME par défaut installés
  environment.gnome.excludePackages = with pkgs; [
    gnome-tour
    gnome.geary
  ];

  # Config GNOME
  programs.dconf = {
    enable = true;
    profiles.user.databases = [
      {
        lockAll = true; # prevents overriding
        settings = {
          "org/gnome/desktop/wm/preferences" = {
            button-layout = ":minimize,maximize,close";
          };
        };
      }
    ];
  };

gsettings set org.gnome.desktop.wm.preferences button-layout ":minimize,maximize,close"