nixos/hosts/jorah.cx.ts.hillion.co.uk/default.nix
Jake Hillion f4f6c66098
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jorah: enable zramSwap
2024-04-17 23:04:04 +01:00

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{ config, pkgs, lib, ... }:
{
imports = [
../../modules/common/default.nix
./hardware-configuration.nix
];
config = {
system.stateVersion = "23.05";
networking.hostName = "jorah";
networking.domain = "cx.ts.hillion.co.uk";
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
## Impermanence
custom.impermanence.enable = true;
## Custom Services
custom = {
locations.autoServe = true;
www.global.enable = true;
services = {
version_tracker.enable = true;
gitea.actions = {
enable = true;
tokenSecret = ../../secrets/gitea/actions/jorah.age;
};
};
};
services.foldingathome = {
enable = true;
user = "JakeH"; # https://stats.foldingathome.org/donor/id/357021
daemonNiceLevel = 19;
};
## Enable ZRAM to help with root on tmpfs
zramSwap = {
enable = true;
memoryPercent = 200;
algorithm = "zstd";
};
## Filesystems
services.btrfs.autoScrub = {
enable = true;
interval = "Tue, 02:00";
# By default both /data and /nix would be scrubbed. They are the same filesystem so this is wasteful.
fileSystems = [ "/data" ];
};
## Networking
boot.kernel.sysctl = {
"net.ipv4.ip_forward" = true;
"net.ipv6.conf.all.forwarding" = true;
};
networking = {
useDHCP = false;
interfaces = {
enp5s0 = {
name = "eth0";
useDHCP = true;
ipv6.addresses = [{
address = "2a01:4f9:4b:3953::2";
prefixLength = 64;
}];
};
};
defaultGateway6 = {
address = "fe80::1";
interface = "eth0";
};
};
networking.firewall = {
trustedInterfaces = [ "tailscale0" ];
allowedTCPPorts = lib.mkForce [
22 # SSH
3022 # Gitea SSH (accessed via public 22)
];
allowedUDPPorts = lib.mkForce [ ];
interfaces = {
eth0 = {
allowedTCPPorts = lib.mkForce [
80 # HTTP 1-2
443 # HTTPS 1-2
8080 # Unifi (inform)
];
allowedUDPPorts = lib.mkForce [
443 # HTTP 3
3478 # Unifi STUN
];
};
};
};
## Tailscale
age.secrets."tailscale/jorah.cx.ts.hillion.co.uk".file = ../../secrets/tailscale/jorah.cx.ts.hillion.co.uk.age;
custom.tailscale = {
enable = true;
preAuthKeyFile = config.age.secrets."tailscale/jorah.cx.ts.hillion.co.uk".path;
ipv4Addr = "100.96.143.138";
ipv6Addr = "fd7a:115c:a1e0:ab12:4843:cd96:6260:8f8a";
};
};
}