nixos/defaults.nix

   1 { pkgs, lib, config, ... }:
   2 let inherit (lib) types;
   3 in
   4 {
   5 imports = [
   6   ./modules.nix
   7   ./defaults/predictable-interface-names.nix
   8 ];
   9 config = {
  10   nix = {
  11     autoOptimiseStore = true;
  12     extraOptions = ''
  13     '';
  14     # Use gc.automatic to keep disk space under control.
  15     gc = {
  16       automatic = true;
  17       dates = "weekly";
  18       options = "--delete-older-than 30d";
  19     };
  20   };
  21
  22   nixpkgs = {
  23     config = {
  24       allowUnfree = false;
  25       /*
  26       packageOverrides = pkgs: {
  27         postfix = pkgs.postfix.override {
  28           withLDAP = true;
  29         };
  30       };
  31       */
  32     };
  33     #overlays = import ../overlays.nix;
  34   };
  35
  36   documentation.nixos = {
  37     enable = false; # NOTE: useless on this machine, and CPU intensive.
  38   };
  39
  40   time = {
  41     timeZone = "Europe/Paris";
  42   };
  43
  44   i18n = {
  45     consoleFont   = "Lat2-Terminus16";
  46     consoleKeyMap = "fr";
  47     defaultLocale = "fr_FR.UTF-8";
  48   };
  49
  50   services = {
  51     openssh = {
  52       enable = true;
  53       extraConfig = ''
  54       '';
  55     };
  56     journald = {
  57       extraConfig = ''
  58         SystemMaxUse=50M
  59       '';
  60     };
  61   };
  62
  63   environment = {
  64     systemPackages = with pkgs; [
  65       binutils
  66       dnsutils
  67       htop
  68       inetutils
  69       iotop
  70       mailutils
  71       multitail
  72       ncdu
  73       pv
  74       swaplist
  75       tcpdump
  76       tmux
  77       tree
  78       vim
  79       which
  80     ];
  81
  82     etc."inputrc".text = lib.readFile defaults/readline/inputrc;
  83   };
  84
  85   programs = {
  86     bash = {
  87       interactiveShellInit = ''
  88         bind '"\e[A":history-search-backward'
  89         bind '"\e[B":history-search-forward'
  90
  91         # Ignore duplicate commands, ignore commands starting with a space
  92         export HISTCONTROL=erasedups:ignorespace
  93         export HISTSIZE=42000
  94
  95         # Append to the history instead of overwriting (good for multiple connections)
  96         shopt -s histappend
  97       '';
  98       shellAliases = {
  99         cl = "clear";
 100         l  = "ls -alh";
 101         ll = "ls -l";
 102         ls = "ls --color=tty";
 103         mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
 104
 105         s="sudo systemctl";
 106         s-u="systemctl --user";
 107
 108         nixos-clean="sudo nix-collect-garbage -d";
 109         nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
 110         nixos-rollback="sudo nixos-rebuild switch --rollback";
 111         nixos-update="sudo nix-channel --update";
 112         nixos-upgrade="sudo nixos-rebuild switch";
 113         nixos-upstream="sudo nix-channel --list";
 114       };
 115     };
 116     mtr.enable = true;
 117   };
 118 };
 119 }