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     #binaryCaches = lib.mkForce [];
  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     nixPath = [
  21       ("nixpkgs=" + toString pkgs.path)
  22     ];
  23   };
  24
  25   nixpkgs = {
  26     config = {
  27       allowUnfree = false;
  28       /*
  29       packageOverrides = pkgs: {
  30         postfix = pkgs.postfix.override {
  31           withLDAP = true;
  32         };
  33       };
  34       */
  35     };
  36     #overlays = import ../overlays.nix;
  37   };
  38
  39   documentation.nixos = {
  40     enable = false; # NOTE: useless on a server, and CPU intensive.
  41   };
  42
  43   # Clean /tmp automatically on boot.
  44   boot.cleanTmpDir = true;
  45
  46   time = {
  47     timeZone = "Europe/Paris";
  48   };
  49
  50   i18n = {
  51     defaultLocale = "fr_FR.UTF-8";
  52   };
  53
  54   console = {
  55     font   = "Lat2-Terminus16";
  56     keyMap = "fr";
  57   };
  58
  59   services = {
  60     openssh = {
  61       enable = true;
  62       passwordAuthentication = false;
  63       extraConfig = ''
  64       '';
  65     };
  66     journald = {
  67       extraConfig = ''
  68         SystemMaxUse=50M
  69       '';
  70     };
  71   };
  72
  73   environment = {
  74     #checkConfigurationOptions = false;
  75     systemPackages = with pkgs; [
  76       binutils
  77       #dnsutils
  78       dstat
  79       htop
  80       inetutils
  81       iotop
  82       lsof
  83       mailutils
  84       multitail
  85       ncdu
  86       pv
  87       swaplist
  88       tcpdump
  89       tmux
  90       tree
  91       vim
  92       which
  93     ];
  94
  95     etc."inputrc".text = lib.readFile defaults/readline/inputrc;
  96   };
  97
  98   programs = {
  99     bash = {
 100       interactiveShellInit = ''
 101         bind '"\e[A":history-search-backward'
 102         bind '"\e[B":history-search-forward'
 103
 104         # Ignore duplicate commands, ignore commands starting with a space
 105         export HISTCONTROL=erasedups:ignorespace
 106         export HISTSIZE=42000
 107
 108         # Append to the history instead of overwriting (good for multiple connections)
 109         shopt -s histappend
 110       '';
 111       shellAliases = {
 112         cl = "clear";
 113         l  = "ls -alh";
 114         ll = "ls -l";
 115         ls = "ls --color=tty";
 116         mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";
 117
 118         s="sudo systemctl";
 119         s-u="systemctl --user";
 120
 121         nixos-clean="sudo nix-collect-garbage -d";
 122         nixos-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
 123         nixos-rollback="sudo nixos-rebuild switch --rollback";
 124         nixos-update="sudo nix-channel --update";
 125         nixos-upgrade="sudo nixos-rebuild switch";
 126         nixos-upstream="sudo nix-channel --list";
 127       };
 128     };
 129     gnupg = {
 130       agent = {
 131         pinentryFlavor = "curses";
 132       };
 133     };
 134     mtr.enable = true;
 135   };
 136 };
 137 }