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{ host, rpi4 }:
{ config, pkgs, ... }:
{
deployment.targetHost = host;
deployment.hasFastConnection = true;
nix.nixPath = [ "nixpkgs=${pkgs.path}" ];
programs.command-not-found.dbPath = "${pkgs.path}/programs.sqlite";
nixpkgs.system = "aarch64-linux";
boot.loader.grub.enable = false;
boot.loader.generic-extlinux-compatible.enable = true;
boot.loader.raspberryPi = pkgs.lib.mkIf rpi4 {
enable = true;
version = 4;
};
boot.kernelParams = ["cma=64M"]; # work around https://github.com/raspberrypi/linux/issues/3208
boot.kernelPackages = if rpi4 then pkgs.linuxPackages_rpi4 else pkgs.linuxPackages_rpi3;
boot.initrd.includeDefaultModules = false;
# work around https://github.com/NixOS/nixpkgs/issues/125354
disabledModules = [ "hardware/device-tree.nix" ];
imports = [ ./device-tree-module.nix ];
nixpkgs.config.packageOverrides = super: let self = super.pkgs; in {
deviceTree = super.callPackage ./device-tree-pkg.nix {};
};
hardware.deviceTree.enable = true;
hardware.deviceTree.base = pkgs.device-tree_rpi;
hardware.deviceTree.overlays = [ "${pkgs.device-tree_rpi.overlays}/rpi-poe.dtbo" ];
fileSystems = {
"/" = {
device = "/dev/disk/by-label/NIXOS_SD";
fsType = "ext4";
};
};
services.openssh.enable = true;
services.openssh.passwordAuthentication = false;
services.openssh.extraConfig =
''
StreamLocalBindUnlink yes
'';
programs.mosh.enable = true;
networking.hostName = host;
time.timeZone = "Asia/Hong_Kong";
hardware.enableRedistributableFirmware = true;
services.hostapd = {
enable = true;
interface = "wlan0";
hwMode = "g";
ssid = "M-Labs-ext";
wpaPassphrase = (import /etc/nixos/secret/wifi_ext_password.nix);
extraConfig = ''
ieee80211d=1
country_code=HK
ieee80211n=1
wmm_enabled=1
auth_algs=1
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP
'';
};
networking.interfaces.eth0 = {
ipv4.addresses = [{
address = "192.168.1.30";
prefixLength = 24;
}];
ipv6.addresses = [{
address = "2001:470:f821:1:dea6:32ff:fe95:2fcf";
prefixLength = 64;
}];
ipv4.routes = [{
address = "0.0.0.0";
prefixLength = 0;
via = "192.168.1.1";
}];
ipv6.routes = [{
address = "::";
prefixLength = 0;
via = "fe80::523e:aaff:fe0c:e49d";
}];
};
networking.interfaces.wlan0 = {
ipv4.addresses = [{
address = "192.168.13.1";
prefixLength = 24;
}];
ipv6.addresses = [{
address = "2001:470:f821:3::";
prefixLength = 64;
}];
};
services.dnsmasq = {
enable = true;
servers = ["192.168.1.1#53"];
extraConfig = ''
interface=wlan0
bind-interfaces
dhcp-range=192.168.13.10,192.168.13.254,24h
enable-ra
dhcp-range=::,constructor:wlan0,ra-only
no-resolv
'';
};
boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = "1";
boot.kernel.sysctl."net.ipv6.conf.default.forwarding" = "1";
users.extraGroups.plugdev = { };
users.mutableUsers = false;
users.defaultUserShell = pkgs.fish;
users.extraUsers = import ./common-users.nix { inherit pkgs; };
security.sudo.wheelNeedsPassword = false;
services.udev.extraRules = (import ./extra-udev.nix);
documentation.enable = false;
environment.systemPackages = with pkgs; [
psmisc wget vim git sshfs usbutils lm_sensors file telnet mosh tmux
imagemagick
];
programs.fish.enable = true;
services.avahi.enable = true;
services.avahi.publish.enable = true;
services.avahi.publish.userServices = true;
services.printing.enable = true;
services.printing.drivers = [ pkgs.hplip ];
services.printing.browsing = true;
services.printing.listenAddresses = [ "192.168.1.30:631" "192.168.13.1:631" ];
services.printing.defaultShared = true;
hardware.sane.enable = true;
hardware.sane.extraBackends = [ pkgs.hplip ];
systemd.sockets.cups.wants = [ "network-setup.service" ];
systemd.sockets.cups.after = [ "network-setup.service" ];
systemd.sockets.cups.wantedBy = [ "multi-user.target" ];
systemd.services.cups.wantedBy = [ "multi-user.target" ];
networking.firewall.allowedTCPPorts = [ 631 ];
networking.firewall.interfaces.wlan0.allowedUDPPorts = [ 53 67 ];
nix.binaryCachePublicKeys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="];
nix.binaryCaches = ["https://cache.nixos.org" "https://nixbld.m-labs.hk"];
nix.trustedUsers = ["root" "nix"];
}