nixos/machines/Lilim/configuration.nix

{
  pkgs,
  lib,
  ...
}: {
  services.cron.enable = false;

  networking.dhcpcd.extraConfig = "noarp";
  system.stateVersion = "19.09";

  # low latency audio stuff
  security.pam.loginLimits = [
    {
      domain = "@audio";
      item = "memlock";
      type = "-";
      value = "unlimited";
    }
    {
      domain = "@audio";
      item = "rtprio";
      type = "-";
      value = "99";
    }
    {
      domain = "@audio";
      item = "nofile";
      type = "soft";
      value = "99999";
    }
    {
      domain = "@audio";
      item = "nofile";
      type = "hard";
      value = "99999";
    }
  ];
  environment = {
    etc = {
      "security/limits.d/91-nice.conf".text = ''
        derped           -   nice            -4
      '';
    };
    variables = {
      DSSI_PATH = "$HOME/.dssi:$HOME/.nix-profile/lib/dssi:/run/current-system/sw/lib/dssi";
      LADSPA_PATH = "$HOME/.ladspa:$HOME/.nix-profile/lib/ladspa:/run/current-system/sw/lib/ladspa";
      LV2_PATH = "$HOME/.lv2:$HOME/.nix-profile/lib/lv2:/run/current-system/sw/lib/lv2";
      LXVST_PATH = "$HOME/.lxvst:$HOME/.nix-profile/lib/lxvst:/run/current-system/sw/lib/lxvst";
      VST_PATH = "$HOME/.vst:$HOME/.nix-profile/lib/vst:/run/current-system/sw/lib/vst";
    };
  };
  services = {
    joycond.enable = true;
    udev = {
      packages = [];
      extraRules = ''
        KERNEL=="rtc0", GROUP="audio"
        KERNEL=="hpet", GROUP="audio"
      '';
    };
  };
  boot = {
    kernelModules = ["snd-usb-audio" "snd-aloop" "snd-seq" "snd-rawmidi"];
    kernelParams = ["threadirq"];
    extraModprobeConfig = ''
      options snd-usb-audio nrpacks=1
    '';
  };
}