Files
nix-config/systems/aarch64-linux/pi4/default.nix
2025-08-21 19:40:32 -05:00

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Nix
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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page, on
# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
{
lib,
pkgs,
namespace,
...
}:
let
kernelBundle = pkgs.linuxAndFirmware.latest;
in
{
imports = [
./adguard.nix
./boot.nix
# ./networking.nix - moved to modules/nixos/network
./sops.nix
];
${namespace} = {
hardware.disko.enable = true;
user = {
name = "matt";
password = "BogieDudie1";
mutableUsers = false;
extraGroups = [
"docker"
"video"
];
};
network = {
hostName = "pi4";
ipv4 = {
method = "manual";
address = "10.0.1.2/24";
gateway = "10.0.1.1";
dns = "1.1.1.1";
};
firewall = {
enable = true;
allowPing = true;
allowedTCPPorts = [ 53 ];
allowedUDPPorts = [ 53 ];
};
wifi = {
enable = true;
powersave = false;
};
};
};
# Configure nixpkgs
nixpkgs = {
overlays = lib.mkAfter [
(_self: _super: {
# This is used in (modulesPath + "/hardware/all-firmware.nix") when at least
# enableRedistributableFirmware is enabled
# I know no easier way to override this package
inherit (kernelBundle) raspberrypiWirelessFirmware;
# Some derivations want to use it as an input,
# e.g. raspberrypi-dtbs, omxplayer, sd-image-* modules
inherit (kernelBundle) raspberrypifw;
})
];
};
hardware.i2c.enable = true;
systemd.services.btattach = {
before = [ "bluetooth.service" ];
after = [ "dev-ttyAMA0.device" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.bluez}/bin/btattach -B /dev/ttyAMA0 -P bcm -S 3000000";
};
};
environment = {
systemPackages = with pkgs; [
i2c-tools
libraspberrypi
raspberrypi-eeprom
raspberrypifw
raspberrypiWirelessFirmware
raspberrypi-armstubs
];
};
# Root user configuration - explicit to avoid conflicts with home-manager
users.users.root = {
isSystemUser = true;
isNormalUser = false;
shell = pkgs.zsh;
};
programs = {
kdeconnect.enable = false;
};
}