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       lsof
  71       mailutils
  72       multitail
  73       ncdu
  74       pv
  75       swaplist
  76       tcpdump
  77       tmux
  78       tree
  79       vim
  80       which
  81     ];
  82
  83     etc."inputrc".text = lib.readFile defaults/readline/inputrc;
  84   };
  85
  86   programs = {
  87     bash = {
  88       interactiveShellInit = ''
  89         bind '"\e[A":history-search-backward'
  90         bind '"\e[B":history-search-forward'
  91
  92         # Ignore duplicate commands, ignore commands starting with a space
  93         export HISTCONTROL=erasedups:ignorespace
  94         export HISTSIZE=42000
  95
  96         # Append to the history instead of overwriting (good for multiple connections)
  97         shopt -s histappend
  98       '';
  99       shellAliases = {
 100         cl = "clear";
 101         l  = "ls -alh";
 102         ll = "ls -l";
 103         ls = "ls --color=tty";
 104         mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
 105
 106         s="sudo systemctl";
 107         s-u="systemctl --user";
 108
 109         nixos-clean="sudo nix-collect-garbage -d";
 110         nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
 111         nixos-rollback="sudo nixos-rebuild switch --rollback";
 112         nixos-update="sudo nix-channel --update";
 113         nixos-upgrade="sudo nixos-rebuild switch";
 114         nixos-upstream="sudo nix-channel --list";
 115       };
 116     };
 117     mtr.enable = true;
 118   };
 119 };
 120 }