{lib, ...}: {
  time.timeZone = "Europe/Paris";

  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";
  };

  # journald & coredump
  systemd.coredump.enable = false;
  services.journald.extraConfig = ''
    SystemMaxUse=200M
    RuntimeMaxUse=100M
  '';

  boot.tmp.cleanOnBoot = true;
  environment.defaultPackages = lib.mkForce [];
  programs.zsh.enable = true; # shell dispo au niveau système
}