diff --git a/clusterd b/clusterd
index 2d160ee..624ec61 100755
--- a/clusterd
+++ b/clusterd
@@ -5,7 +5,7 @@ use strict;
 
 # https://github.molgen.mpg.de/mariux64/clusterd
 
-our $REVISION='1.107';
+our $REVISION='1.108';
 
 #use lib ('/home/buczek/cluster/Donald/blib/lib');
 
@@ -307,6 +307,7 @@ our %UDP_HANDLER=
 	'loadavg.2' => \&udp_rx_loadavg2,
 	'restart' => \&udp_rx_restart,
 	'flush-gidcache' => \&udp_rx_flush_gidcache,
+	'make-automaps' => \&udp_rx_make_automaps,
 	'log'  => \&udp_rx_log,
 	'exec' => \&udp_rx_exec,
 );
@@ -797,6 +798,15 @@ sub udp_rx_flush_gidcache {
 	}
 }
 
+sub udp_rx_make_automaps {
+	if (open my $out,'>','/proc/net/rpc/auth.unix.gid/flush') {
+		print $out time();
+	} else {
+		warn "proc/net/rpc/auth.unix.gid/flush: $!\n";
+	}
+	system '/sbin/make-automaps';
+}
+
 #----------- tcp mgmt console -----------------------------
 
 our $MGMT_PORT=234;
@@ -1398,6 +1408,7 @@ usage: $0 [options]
   --exec mkmotd    # execute /usr/sbin/mkmotd.pl on all nodes
   --exec @node cmd [args...] # execute cmd on node
   --flush-gidcache # flush rpc auth.unix.gid cache on all nodes
+  --make-automaps  # execute /usr/sbin/make-automaps on all nodes
 
   --lsof=pattern
 
@@ -1422,6 +1433,7 @@ GetOptions
 	'push-amd-tar' => \$options{'push_amd_tar'},
 	'send-restart' => \$options{'send-restart'},
 	'flush-gidcache' => \$options{'flush-gidcache'},
+	'make-automaps' => \$options{'make-automaps'},
 	'lsof=s'	=> \$options{'lsof'},
 
 ) or die USAGE;
@@ -1452,6 +1464,10 @@ if (defined $options{'push'}) {
 	sync_cluster_pw() or die "$CLUSTER_PW_FILE: $!\n";
 	$donald_s=new Donald::Select::INET(Proto=>'udp') or die "$!\n";
 	udp_broadcast_message($donald_s,'flush-gidcache');
+} elsif (defined $options{'make-automaps'}) {
+	sync_cluster_pw() or die "$CLUSTER_PW_FILE: $!\n";
+	$donald_s=new Donald::Select::INET(Proto=>'udp') or die "$!\n";
+	udp_broadcast_message($donald_s,'make-automaps');
 } elsif (defined $options{'daemon'}) {
 	$options{'kill'} and Donald::Tools::kill_previous_server('clusterd') and sleep 2;