anchor.diff:        
           description = "Kernel NFS server - Network Status Monitor";
         
  -        startOn = "started nfs-kernel-nfsd";
  -	stopOn = "stopping nfs-kernel-exports";
  +        startOn = "started nfs-kernel-nfsd and started portmap";
  +        stopOn = "stopping nfs-kernel-exports";
   
           preStart =
             ''	
  
positive.code: 
          description = "Kernel NFS server - mount daemon";
  
          startOn = "started nfs-kernel-nfsd";
          stopOn = "stopping nfs-kernel-exports";
  
          exec = "${pkgs.nfsUtils}/sbin/rpc.mountd -F -f ${exports}";
  
negative.code: 
    config = mkIf config.services.nfsKernel.enable {
  
      assertions = singleton
        { assertion = config.services.portmap.enable;
          message = "Please enable portmap (services.portmap.enable) to use nfs-kernel.";
        };
  
      environment.etc = singleton
        { source = exports;
          target = "exports";
  