nixos/defaults.nix

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