nixos/defaults.nix

   1 { pkgs, lib, config, ... }:
   2 {
   3 imports = [
   4   ./modules.nix
   5   ./defaults/predictable-interface-names.nix
   6 ];
   7 config = {
   8   nix = {
   9     autoOptimiseStore = true;
  10     extraOptions = ''
  11     '';
  12     # Use gc.automatic to keep disk space under control.
  13     gc = {
  14       automatic = true;
  15       dates = "weekly";
  16       options = "--delete-older-than 30d";
  17     };
  18   };
  19
  20   nixpkgs = {
  21     config = {
  22       allowUnfree = false;
  23       /*
  24       packageOverrides = pkgs: {
  25         postfix = pkgs.postfix.override {
  26           withLDAP = true;
  27         };
  28       };
  29       */
  30     };
  31     #overlays = import ../overlays.nix;
  32   };
  33
  34   documentation.nixos = {
  35     enable = false; # NOTE: useless on this machine, and CPU intensive.
  36   };
  37
  38   time = {
  39     timeZone = "Europe/Paris";
  40   };
  41
  42   i18n = {
  43     consoleFont   = "Lat2-Terminus16";
  44     consoleKeyMap = "fr";
  45     defaultLocale = "fr_FR.UTF-8";
  46   };
  47
  48   services = {
  49     openssh = {
  50       enable = true;
  51       extraConfig = ''
  52       '';
  53     };
  54     journald = {
  55       extraConfig = ''
  56         SystemMaxUse=50M
  57       '';
  58     };
  59   };
  60
  61   environment = {
  62     systemPackages = with pkgs; [
  63       binutils
  64       dnsutils
  65       htop
  66       inetutils
  67       mailutils
  68       multitail
  69       ncdu
  70       tcpdump
  71       tmux
  72       tree
  73       vim
  74       which
  75     ];
  76
  77     etc."inputrc".text = lib.readFile defaults/readline/inputrc;
  78   };
  79
  80   programs = {
  81     bash = {
  82       interactiveShellInit = ''
  83         bind '"\e[A":history-search-backward'
  84         bind '"\e[B":history-search-forward'
  85
  86         # Ignore duplicate commands, ignore commands starting with a space
  87         export HISTCONTROL=erasedups:ignorespace
  88         export HISTSIZE=42000
  89
  90         # Append to the history instead of overwriting (good for multiple connections)
  91         shopt -s histappend
  92       '';
  93       shellAliases = {
  94         cl = "clear";
  95         l  = "ls -alh";
  96         ll = "ls -l";
  97         ls = "ls --color=tty";
  98
  99         s="sudo systemctl";
 100         s-u="systemctl --user";
 101
 102         nixos-clean="sudo nix-collect-garbage -d";
 103         nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
 104         nixos-rollback="sudo nixos-rebuild switch --rollback";
 105         nixos-update="sudo nix-channel --update";
 106         nixos-upgrade="sudo nixos-rebuild switch";
 107         nixos-upstream="sudo nix-channel --list";
 108       };
 109     };
 110     mtr.enable = true;
 111   };
 112 };
 113 }