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{ hostName, flake, config, pkgs, lib, ... }:
{
imports = with flake.nixosModules.systemProfiles; [
./zfs.nix ./dsl.nix
initrd-all-crypto-modules default-locale openssh rebuild-machines
build-server
initrd-ssh
];
config = {
nixpkgs = {
system = "x86_64-linux";
};
networking.hostId = "1e7ddd78";
environment.etc."machine-id".text = "1e7ddd784c525bba2a03d7c160c5da4e";
boot = {
loader.grub = {
enable = true;
version = 2;
device = "/dev/disk/by-id/ata-SuperMicro_SSD_SMC0515D95019BDF4083";
};
kernelPackages = pkgs.linuxPackages_latest;
kernelModules = [ "kvm-intel" ];
kernelParams = [
"ip=10.141.0.1:::255.255.255.0::eno1:static"
];
tmpOnTmpfs = true;
initrd = {
supportedFilesystems = [ "zfs" ];
availableKernelModules = [ "ehci_pci" "ahci" "nvme" "isci" "xhci_pci" "usb_storage" "usbhid" "sd_mod" "sr_mod" "drbg" "rtsx_pci_sdmmc" "libsas" "scsi_transport_sas" "e1000e" ];
kernelModules = [ "dm-raid" "dm-integrity" "dm-snapshot" "dm-thin-pool" ];
luks.devices = {
nvm0.device = "/dev/disk/by-label/${hostName}-nvm0";
nvm1.device = "/dev/disk/by-label/${hostName}-nvm1";
hdd0.device = "/dev/disk/by-label/${hostName}-hdd0";
hdd1.device = "/dev/disk/by-label/${hostName}-hdd1";
hdd2.device = "/dev/disk/by-label/${hostName}-hdd2";
hdd3.device = "/dev/disk/by-label/${hostName}-hdd3";
hdd4.device = "/dev/disk/by-label/${hostName}-hdd4";
hdd5.device = "/dev/disk/by-label/${hostName}-hdd5";
};
network.flushBeforeStage2 = false;
};
supportedFilesystems = [ "zfs" ];
zfs = {
enableUnstable = true;
};
};
fileSystems = {
"/" = {
fsType = "tmpfs";
options = [ "mode=0755" ];
};
};
networking = {
hostName = "vidhar";
domain = "yggdrasil";
search = [ "yggdrasil" ];
useDHCP = false;
useNetworkd = true;
interfaces."eno1" = {
ipv4.addresses = [
{ address = "10.141.0.1"; prefixLength = 24; }
];
};
firewall = {
enable = true;
allowPing = true;
allowedTCPPorts = [
22 # ssh
];
allowedUDPPorts = [
51820 # wireguard
];
allowedUDPPortRanges = [
{ from = 60000; to = 61000; } # mosh
];
extraCommands = ''
ip46tables -D FORWARD -j nixos-fw-forward 2>/dev/null || true
ip46tables -F nixos-fw-forward 2> /dev/null || true
ip46tables -X nixos-fw-forward 2> /dev/null || true
ip46tables -N nixos-fw-forward
ip46tables -A nixos-fw-forward -i eno1 -j ACCEPT
ip46tables -A nixos-fw-forward -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
ip6tables -A nixos-fw-forward -p icmpv6 --icmpv6-type redirect -j nixos-fw-log-refuse
ip6tables -A nixos-fw-forward -p icmpv6 --icmpv6-type 139 -j nixos-fw-log-refuse
ip6tables -A nixos-fw-forward -p icmpv6 -j ACCEPT
ip46tables -A nixos-fw-forward -j nixos-fw-log-refuse
ip46tables -A FORWARD -j nixos-fw-forward
ip46tables -t nat -D POSTROUTING -j nixos-fw-postrouting 2>/dev/null || true
ip46tables -t nat -F nixos-fw-postrouting 2>/dev/null || true
ip46tables -t nat -X nixos-fw-postrouting 2>/dev/null || true
ip46tables -t nat -N nixos-fw-postrouting
iptables -t nat -A nixos-fw-postrouting -o dsl -j MASQUERADE
ip46tables -t nat -A POSTROUTING -j nixos-fw-postrouting
'';
};
};
services.dhcpd4 = {
enable = true;
interfaces = [ "eno1" ];
extraConfig = ''
subnet 10.141.0.0 netmask 255.255.255.0 {
range 10.141.0.128 10.141.0.254;
option domain-name-servers 1.1.1.1, 1.0.0.1;
option broadcast-address 10.141.0.255;
option routers 10.141.0.1;
option domain-name "asgard.yggdrasil";
}
'';
};
services.corerad = {
enable = true;
settings = {
interfaces = [
{ name = config.networking.pppInterface;
monitor = true;
}
{ name = "eno1";
advertise = true;
prefix = [{}];
route = [{ prefix = "::/0"; }];
}
];
};
};
boot.kernel.sysctl = {
"net.ipv6.conf.all.forwarding" = true;
"net.ipv6.conf.default.forwarding" = true;
"net.ipv4.conf.all.forwarding" = true;
"net.ipv4.conf.default.forwarding" = true;
};
systemd.network.networks = {
"eno2".networkConfig.LinkLocalAddressing = "no";
"telekom".networkConfig.LinkLocalAddressing = "no";
};
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
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";
};
powerManagement = {
enable = true;
cpuFreqGovernor = "schedutil";
};
};
}
|
