diff --git a/xCAT-rmc/plugin/rmcmon.pm b/xCAT-rmc/plugin/rmcmon.pm
index f0e949057..8ba7d0aac 100644
--- a/xCAT-rmc/plugin/rmcmon.pm
+++ b/xCAT-rmc/plugin/rmcmon.pm
@@ -1156,7 +1156,8 @@ sub addNodes {
 
   #let updatenode command to handle the normal nodes as a bulk
   if (@normal_nodes>0) {
-    my $nr=join(',',@normal_nodes); 
+    my $nr=join(',',@normal_nodes);
+    my $install_root = xCAT::Utils->getInstallDir();
 
     #get the fanout value
     my %settings=xCAT_monitoring::monitorctrl->getPluginSettings("rmcmon");
@@ -1182,12 +1183,12 @@ sub addNodes {
 	my $nr = join(',', @{$servernodes{$snkey}});
 	my $cmd;
 	if (xCAT::Utils->isLinux()) {
-	    $cmd="XCATBYPASS=Y $fanout_string $::XCATROOT/bin/xdsh $nr -s -e /install/postscripts/xcatdsklspost 2 -m $snkey configrmcnode 2>&1";
+	    $cmd="XCATBYPASS=Y $fanout_string $::XCATROOT/bin/xdsh $nr -s -e $install_root/postscripts/xcatdsklspost 2 -m $snkey configrmcnode 2>&1";
 	    print "$cmd\n";
 	}
 	else {
 	    #use -c 2 here to tell xcataixpost that there is only one postscript, download only it. It applies to AIX only     
-	    $cmd="XCATBYPASS=Y $fanout_string $::XCATROOT/bin/xdsh $nr -s -e /install/postscripts/xcataixpost -m $snkey -c 2 configrmcnode 2>&1";
+	    $cmd="XCATBYPASS=Y $fanout_string $::XCATROOT/bin/xdsh $nr -s -e $install_root/postscripts/xcataixpost -m $snkey -c 2 configrmcnode 2>&1";
 	}
 	if (! open (CMD, "$cmd |")) {
 	    reportError("Cannot run command $cmd", $callback);
diff --git a/xCAT-server/lib/xcat/monitoring/gangliamon.pm b/xCAT-server/lib/xcat/monitoring/gangliamon.pm
index e816ed580..ead295b27 100755
--- a/xCAT-server/lib/xcat/monitoring/gangliamon.pm
+++ b/xCAT-server/lib/xcat/monitoring/gangliamon.pm
@@ -243,6 +243,7 @@ sub confGmond
     if ($noderef =~ /xCAT_monitoring::gangliamon/) {
 		$noderef=shift;
     }
+
     my $scope=shift;
     my $callback=shift;
     my $configure_file = '';
@@ -345,6 +346,7 @@ sub confGmond
     if ($scope)
     {#opening if scope of confGmond
 		my @children;
+	    my $install_root = xCAT::Utils->getInstallDir();
 		foreach my $key (keys (%$pPairHash)) { #opening for each
 		    my @key_a=split(':', $key);
 		    if (! $iphash{$key_a[0]}) {  next; }
@@ -362,7 +364,7 @@ sub confGmond
 		    } #closing foreach2
 		    
 		    my $node = join(',',@children);
-		    my $res_cp = `XCATBYPASS=Y $::XCATROOT/bin/xdcp $node /install/postscripts/confGang /tmp 2>&1`;
+		    my $res_cp = `XCATBYPASS=Y $::XCATROOT/bin/xdcp $node $install_root/postscripts/confGang /tmp 2>&1`;
 		    if($?)
 		    { #openinf if ?
 				if($callback) {