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|
{ flake, pkgs, lib, ... }:
{
imports = with flake.nixosModules.systemProfiles; [
qemu-guest openssh rebuild-machines ./zfs.nix ./dns ./tls.nix
];
config = {
nixpkgs = {
system = "x86_64-linux";
};
networking.hostId = "a64cf4d7";
environment.etc."machine-id".text = "a64cf4d793ab0a0ed3892ead609fc0bc";
boot = {
loader.grub = {
enable = true;
version = 2;
device = "/dev/vda";
};
kernelPackages = pkgs.linuxPackages_latest;
tmpOnTmpfs = true;
supportedFilesystems = [ "zfs" ];
zfs = {
enableUnstable = true;
devNodes = "/dev"; # /dev/vda2 does not show up in /dev/disk/by-id
};
kernelModules = ["ptp_kvm"];
};
fileSystems = {
"/" = {
fsType = "tmpfs";
options = [ "mode=0755" ];
};
"/boot" =
{ device = "/dev/disk/by-label/boot";
fsType = "vfat";
};
};
networking = {
hostName = "surtr";
domain = "yggdrasil";
search = [ "yggdrasil" ];
enableIPv6 = true;
dhcpcd.enable = false;
useDHCP = false;
useNetworkd = true;
defaultGateway = { address = "202.61.240.1"; };
defaultGateway6 = { address = "fe80::1"; };
interfaces."ens3" = {
ipv4.addresses = [
{ address = "202.61.241.61"; prefixLength = 22; }
];
ipv6.addresses = [
{ address = "2a03:4000:52:ada::"; prefixLength = 96; }
];
};
firewall.enable = false;
nftables = {
enable = true;
rulesetFile = ./ruleset.nft;
};
};
systemd.network.networks."40-ens3".networkConfig = {
Domains = lib.mkForce "~.";
DNS = [ "46.38.225.230" "46.38.252.230" "2a03:4000:0:1::e1e6" "2a03:4000:8000::fce6" ];
};
services.ndppd = {
enable = true;
proxies = {
ens3 = {
router = false;
rules."2a03:4000:52:ada::/64" = {
method = "static";
};
};
};
};
services.timesyncd.enable = false;
services.chrony = {
enable = true;
servers = [];
extraConfig = ''
pool time.cloudflare.com iburst nts
pool nts.ntp.se iburst nts
server nts.sth1.ntp.se iburst nts
server nts.sth2.ntp.se iburst nts
server ptbtime1.ptb.de iburst nts
server ptbtime2.ptb.de iburst nts
server ptbtime3.ptb.de iburst nts
refclock PHC /dev/ptp_kvm poll 2 dpoll -2 offset 0 stratum 3
makestep 0.1 3
cmdport 0
'';
};
services.openssh = {
enable = true;
passwordAuthentication = false;
challengeResponseAuthentication = false;
extraConfig = ''
AllowGroups ssh
'';
};
users.groups."ssh" = {
members = ["root"];
};
security.sudo.extraConfig = ''
Defaults lecture = never
'';
nix.gc = {
automatic = true;
options = "--delete-older-than 30d";
};
};
}
|
