config/modules/persistence/default.nix

{ pkgs, config, ... }:

{
  services.openssh.hostKeys = [
    {
      bits = 4096;
      path = "/persist/keys/ssh/ssh_host_rsa_key";
      type = "rsa";
    }
    {
      path = "/persist/keys/ssh/ssh_host_ed25519_key";
      type = "ed25519";
    }
  ];

  services.ipfs.dataDir = "/srv/data/ipfs";
  services.lidarr.dataDir = "/persist/db/lidarr";
  services.jackett.dataDir = "/persist/db/jackett";

  environment.etc = {
    "NetworkManager/system-connections".source = "/persist/config/NetworkManager/system-connections";  
  };
}