{ config, pkgs, lib, ... }: { imports = [ ./selfprivacy-module.nix ./volumes.nix ./users.nix ./letsencrypt/acme.nix ./letsencrypt/resolve.nix ./webserver/nginx.nix ./webserver/memcached.nix # ./resources/limits.nix ]; fileSystems."/".options = [ "noatime" ]; services.selfprivacy-api.enable = true; services.redis.servers.sp-api = { enable = true; save = [ [ 30 1 ] [ 10 10 ] ]; port = 0; settings = { notify-keyspace-events = "KEA"; }; }; services.do-agent.enable = if config.selfprivacy.server.provider == "digitalocean" then true else false; boot.cleanTmpDir = true; networking = { hostName = config.selfprivacy.hostname; domain = config.selfprivacy.domain; usePredictableInterfaceNames = false; firewall = { allowedTCPPorts = lib.mkForce [ 22 25 80 143 443 465 587 993 4443 8443 ]; allowedUDPPorts = lib.mkForce [ 8443 10000 ]; extraCommands = '' iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE iptables --append FORWARD --in-interface vpn00 -j ACCEPT ''; }; nameservers = [ "1.1.1.1" "1.0.0.1" ]; }; time.timeZone = config.selfprivacy.timezone; i18n.defaultLocale = "en_GB.UTF-8"; users.users.root.openssh.authorizedKeys.keys = config.selfprivacy.ssh.rootKeys; services.openssh = { enable = config.selfprivacy.ssh.enable; passwordAuthentication = config.selfprivacy.ssh.passwordAuthentication; permitRootLogin = "yes"; openFirewall = false; }; programs.ssh = { pubkeyAcceptedKeyTypes = [ "ssh-ed25519" "ssh-rsa" ]; hostKeyAlgorithms = [ "ssh-ed25519" "ssh-rsa" ]; }; environment.systemPackages = with pkgs; [ git jq ]; # consider environment.defaultPackages = lib.mkForce []; environment.variables = { DOMAIN = config.selfprivacy.domain; }; documentation.enable = false; # no {man,info}-pages & docs, etc to save space systemd.tmpfiles.rules = [ "# Completely remove remnants of NIXOS_LUSTRATE." "R! /old-root" ]; system.autoUpgrade = { enable = config.selfprivacy.autoUpgrade.enable; allowReboot = config.selfprivacy.autoUpgrade.allowReboot; channel = "https://channel.selfprivacy.org/nixos-selfpricacy"; }; nix = { # TODO uncomment when NixOS version is at least 23.05 # nix.channel.enable = false; # daemonCPUSchedPolicy = "idle"; # daemonIOSchedClass = "idle"; # daemonIOSchedPriority = 7; # this is superseded by nix.settings.auto-optimise-store. # optimise.automatic = true; gc = { automatic = true; # TODO it's debatable, because of IO&CPU load options = "--delete-older-than 7d"; }; }; nix.settings = { sandbox = true; experimental-features = [ "nix-command" "flakes" "repl-flake" ]; # auto-optimise-store = true; # evaluation restrictions: # restrict-eval = true; # allowed-uris = []; allow-dirty = false; }; nix.package = if lib.versionAtLeast pkgs.nix.version "2.15.2" then pkgs.nix.out else pkgs.nixUnstable.out; services.journald.extraConfig = "SystemMaxUse=500M"; boot.kernel.sysctl = { "net.ipv4.ip_forward" = 1; # TODO why is it here by default, for VPN only? }; # TODO must be configurable and determined at nixos-infect stage swapDevices = [ { device = "/swapfile"; priority = 0; size = 2048; } ]; # TODO why is sudo needed? security = { sudo = { enable = true; }; }; systemd.enableEmergencyMode = false; systemd.coredump.enable = false; }