Rustdesk SystemD Service Config

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I spent some time recently figuring out how to install Rustdesk as a SystemD service, and with /u/ElvishJerricco’s help on reddit, got it working. There’s an installer script to do this for other linuxes, but I couldn’t find any docs or discussion on it for NixOS, so posting here in case anyone ever searches for it. Rustdesk SystemD Service config:

–

networking.firewall = {
  # 8000 = Rustdesk?
  # 21115-21117 = Rustdesk  https://rustdesk.com/docs/en/self-host/
  # 21118 and 21119 = Rustdesk Web Client
  allowedUDPPorts = [ ... 22 21116 ... ];
  allowedTCPPorts = [ ... 22 8000 21115 21116 21117 21118 21119 ... ];
};

systemd.tmpfiles.rules = [
  "d /opt/rustdesk 0700 root root"
  "d /var/log/rustdesk 0700 root root"
  # optional (only for [Erase Your Darlings](https://grahamc.com/blog/erase-your-darlings) or [tmpfs as root](https://elis.nu/blog/2020/05/nixos-tmpfs-as-root/) setups):
  "L /opt/rustdesk/db_v2.sqlite3 - - - - /persist/opt/rustdesk/db_v2.sqlite3"
  "L /opt/rustdesk/db_v2.sqlite3-shm - - - - /persist/opt/rustdesk/db_v2.sqlite3-shm"
  "L /opt/rustdesk/db_v2.sqlite3-wal - - - - /persist/opt/rustdesk/db_v2.sqlite3-wal"
  "L /opt/rustdesk/id_ed25519 - - - - /persist/opt/rustdesk/id_ed25519"
  "L /opt/rustdesk/id_ed25519.pub - - - - /persist/opt/rustdesk/id_ed25519.pub"
];

systemd.services.rustdesksignal = {
  description = "Rustdesk Signal Server (hbbs)";
  documentation = [ 
    "https://rustdesk.com/docs/en/self-host/rustdesk-server-oss/install/"
    "https://github.com/techahold/rustdeskinstall/blob/43df6297a9b8b5ff0f3e05ec4bd6e0f4c7281f88/install.sh"
  ];
  after = [ "network-pre.target" ];
  wants = [ "network-pre.target" ];
  partOf = [ "rustdeskrelay.service" ];
  wantedBy = [ "multi-user.target" ];
  serviceConfig = {
    Type = "simple";
    LimitNOFILE=1000000;
    WorkingDirectory="/opt/rustdesk";
    StandardOutput="append:/var/log/rustdesk/hbbs.log";
    StandardError="append:/var/log/rustdesk/hbbs.error";
    ExecStart="${pkgs.rustdesk-server}/bin/hbbs -k _";
    Restart="always";
    RestartSec=10;
  };
  #script = with pkgs; ''
  #'';
};

systemd.services.rustdeskrelay = {
  description = "Rustdesk Relay Server (hbbr)";
  documentation = [ 
    "https://rustdesk.com/docs/en/self-host/rustdesk-server-oss/install/"
    "https://github.com/techahold/rustdeskinstall/blob/43df6297a9b8b5ff0f3e05ec4bd6e0f4c7281f88/install.sh"
  ];
  after = [ "network-pre.target" ];
  wants = [ "network-pre.target" ];
  partOf = [ "rustdesksignal.service" ];
  wantedBy = [ "multi-user.target" ];
  serviceConfig = {
    Type = "simple";
    LimitNOFILE=1000000;
    WorkingDirectory="/opt/rustdesk";
    StandardOutput="append:/var/log/rustdesk/hbbr.log";
    StandardError="append:/var/log/rustdesk/hbbr.error";
    ExecStart="${pkgs.rustdesk-server}/bin/hbbr -k _";
    Restart="always";
    RestartSec=10;
  };
  #script = with pkgs; ''
  #'';
};