{ config, pkgs, lib, ... }: { fileSystems = { "/export/riker-backup" = { device = "/tank/backup/riker"; options = [ "bind" ]; }; }; # Enable nfs4 only services.nfs.server = { enable = true; exports = '' /export 192.168.10.4(rw,fsid=0,no_subtree_check) /export/riker-backup 192.168.10.4(rw,nohide,no_subtree_check,no_root_squash) ''; }; networking.firewall.allowedTCPPorts = [ 2049 ]; }