diff --git a/xCAT-client-2.0/xCAT-client.spec b/xCAT-client-2.0/xCAT-client.spec
index 382ddc131..66390a413 100644
--- a/xCAT-client-2.0/xCAT-client.spec
+++ b/xCAT-client-2.0/xCAT-client.spec
@@ -70,6 +70,9 @@ ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/sbin/makenetworks
 ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/sbin/copycds
 ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/bin/regnotif
 ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/bin/unregnotif
+ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/bin/startmon
+ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/bin/stopmon
+ln -sf /usr/bin/xcatclientnnr $RPM_BUILD_ROOT/usr/bin/updatemon
 ln -sf /usr/bin/xcatDBcmds $RPM_BUILD_ROOT/usr/bin/mkdef
 ln -sf /usr/bin/xcatDBcmds $RPM_BUILD_ROOT/usr/bin/chdef
 ln -sf /usr/bin/xcatDBcmds $RPM_BUILD_ROOT/usr/bin/lsdef
diff --git a/xCAT-server-2.0/usr/lib/xcat/plugins/monctrlcmds.pm b/xCAT-server-2.0/usr/lib/xcat/plugins/monctrlcmds.pm
new file mode 100644
index 000000000..c669a22af
--- /dev/null
+++ b/xCAT-server-2.0/usr/lib/xcat/plugins/monctrlcmds.pm
@@ -0,0 +1,286 @@
+#!/usr/bin/env perl
+# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
+package xCAT_plugin::monctrlcmds;
+use xCAT::NodeRange;
+use xCAT::Table;
+use xCAT::MsgUtils;
+require("/usr/lib/xcat/monitoring/monitorctrl.pm");
+
+1;
+
+#-------------------------------------------------------------------------------
+=head1  xCAT_plugin:monctrlcmds
+=head2    Package Description
+  xCAT monitoring control commands plugini module. This modules handles
+  monitoring related commands.
+=cut
+#-------------------------------------------------------------------------------
+
+
+
+#--------------------------------------------------------------------------------
+=head3   handled_commands
+      It returns a list of commands handled by this plugin.
+    Arguments:
+        none
+    Returns:
+        a list of commands.
+=cut
+#--------------------------------------------------------------------------------
+sub handled_commands {
+  return {
+    startmon => "monctrlcmds",
+    stopmon => "monctrlcmds",
+    updatemon => "monctrlcmds",
+  }
+}
+
+#--------------------------------------------------------------------------------
+=head3   process_request
+      It processes the monitoring control commands.
+    Arguments:
+      request -- a hash table which contains the command name.
+      callback -- a callback pointer to return the response to.
+      args -- a list of arguments that come with the command. 
+    Returns:
+        0 for success. The output is returned through the callback pointer.
+        1. for unsuccess. The error messages are returns through the callback pointer.
+=cut
+#--------------------------------------------------------------------------------
+sub process_request {
+  use Getopt::Long;
+  # options can be bundled up like -vV
+  Getopt::Long::Configure("bundling") ;
+  $Getopt::Long::ignorecase=0;
+  
+  my $request = shift;
+  my $callback = shift;
+  my $command = $request->{command}->[0];
+  my $args=$request->{arg};
+
+  if ($command eq "startmon") {
+    my ($ret, $msg) = startmon($args, $callback);
+    if ($msg) {
+      my %rsp=();
+      $rsp->{dara}->[0]= $msg;
+      $callback->($rsp);
+    }
+    return $ret;
+  } 
+  elsif ($command eq "stopmon") {
+    my ($ret, $msg) = stopmon($args, $callback);
+    if ($msg) {
+      my %rsp=();
+      $rsp->{data}->[0]= $msg;
+      $callback->($rsp);
+    }
+    return $ret;
+  } 
+  elsif ($command eq "updatemon") {
+    xCAT_monitoring::monitorctrl::sendMonSignal();
+  }
+  else {
+    my %rsp=();
+    $rsp->{data}->[0]= "unsupported command: $command.";
+    $callback->($rsp);
+    return 1;
+  }
+}
+
+
+#--------------------------------------------------------------------------------
+=head3   startmon
+        This function starts the given products for monitoring the xCAT cluster. 
+    Arguments:
+      callback - the pointer to the callback function.
+      args - The format of the args is:
+        [-h|--help|-v|--version] or
+        [product_name[,product_name]...]        
+        where
+          product_name is the name of the monitoring product short name. 
+          For example: Ganglia. The specified products will be started 
+          for monitoring the xCAT cluster. 
+    Returns:
+        0 for success. The output is returned through the callback pointer.
+        1. for unsuccess. The error messages are returns through the callback pointer.
+=cut
+#--------------------------------------------------------------------------------
+sub startmon {
+  my $args=shift;
+  my $callback=shift;
+  my $VERSION;
+  my $HELP;
+
+  # subroutine to display the usage
+  sub startmon_usage
+  {
+    my %rsp;
+    $rsp->{data}->[0]= "Usage:";
+    $rsp->{data}->[1]= "  startmon [product_name[,product_name]...]";
+    $rsp->{data}->[2]= "  startmon [-h|--help|-v|--version]";
+    $rsp->{data}->[3]= "     product_name is the name of the monitoring product registered in the monitoring table.";
+    $callback->($rsp);
+  }
+  
+  @ARGV=@{$args};
+
+  # parse the options
+  if(!GetOptions(
+      'h|help'     => \$::HELP,
+      'v|version'  => \$::VERSION,))
+  {
+    &startmon_usage;
+    return;
+  }
+
+  # display the usage if -h or --help is specified
+  if ($::HELP) { 
+    &startmon_usage;
+    return;
+  }
+
+  # display the version statement if -v or --verison is specified
+  if ($::VERSION)
+  {
+    my %rsp;
+    $rsp->{data}->[0]= "startmon version 1.0";
+    $callback->($rsp);
+    return;
+  }
+
+  my @product_names;
+  if (@ARGV < 1)
+  {
+    &startmon_usage;
+    return;
+  }
+  else {
+    @product_names=split(/,/, $ARGV[0]);
+  }
+
+  my %ret = xCAT_monitoring::monitorctrl::startMonitoring(@product_names);
+  
+  my %rsp;
+  $rsp->{data}->[0]= "starting @product_names";
+  my $i=1;
+  foreach (keys %ret) {
+    my $ret_array=$ret{$_};
+    $rsp->{data}->[$i++]= "$_: $ret_array->[1]";
+  }
+
+  my $nodestatmon=xCAT_monitoring::monitorctrl::nodeStatMonName();
+  if ($nodestatmon) {
+    foreach (@product_names) {
+      if ($_ eq $nodestatmon) { 
+	my ($code, $msg)=xCAT_monitoring::monitorctrl::startNodeStatusMonitoring($nodestatmon);
+        $rsp->{data}->[$i++]="node status monitoring with $nodestatmon: $msg"; 
+      }
+    }
+  }
+
+  $rsp->{data}->[$i++]="done.";
+  $callback->($rsp);
+  
+  return;
+}
+
+#--------------------------------------------------------------------------------
+=head3   stopmon
+        This function stops the given products for monitoring the xCAT cluster.
+    Arguments:
+      callback - the pointer to the callback function.
+      args - The format of the args is:
+        [-h|--help|-v|--version] or
+        [product_name[,product_name]...]
+        where
+          product_name is the name of the monitoring product short name.
+          For example: Ganglia. The specified products will be stoped
+          for monitoring the xCAT cluster. 
+    Returns:
+        0 for success. The output is returned through the callback pointer.
+        1. for unsuccess. The error messages are returns through the callback pointer.
+=cut
+#--------------------------------------------------------------------------------
+sub stopmon {
+  my $args=shift;
+  my $callback=shift;
+  my $VERSION;
+  my $HELP;
+
+  # subroutine to display the usage
+  sub stopmon_usage
+  {
+    my %rsp;
+    $rsp->{data}->[0]= "Usage:";
+    $rsp->{data}->[1]= "  stopmon [product_name[,product_name]...]";
+    $rsp->{data}->[2]= "  stopmon [-h|--help|-v|--version]";
+    $rsp->{data}->[3]= "      product_name is the name of the monitoring product registered in the montoring table.";
+    $callback->($rsp);
+  }
+
+  @ARGV=@{$args};
+  # parse the options
+  if(!GetOptions(
+      'h|help'     => \$::HELP,
+      'v|version'  => \$::VERSION,))
+  {
+    &stopmon_usage;
+    return;
+  }
+
+  # display the usage if -h or --help is specified
+  if ($::HELP) { 
+    &stopmon_usage;
+    return;
+  }
+
+  # display the version statement if -v or --verison is specified
+  if ($::VERSION)
+  {
+    my %rsp;
+    $rsp->{data}->[0]= "stopmon version 1.0";
+    $callback->($rsp);
+    return;
+  }
+
+
+  my @product_names;
+  if (@ARGV < 1)
+  {
+    &startmon_usage;
+    return;
+  }
+  else {
+    @product_names=split(/,/, $ARGV[0]);
+  }
+
+  my %ret = xCAT_monitoring::monitorctrl::stopMonitoring(@product_names);
+  my %rsp;
+  $rsp->{data}->[0]= "stopping @product_names";
+  my $i=1;
+  foreach (keys %ret) {
+    my $ret_array=$ret{$_};
+    $rsp->{data}->[$i++]= "$_: $ret_array->[1]";
+  }
+
+  my $nodestatmon=xCAT_monitoring::monitorctrl::nodeStatMonName();
+  if ($nodestatmon) {
+    foreach (@product_names) {
+      if ($_ eq $nodestatmon) { 
+	my ($code, $msg)=xCAT_monitoring::monitorctrl::stopNodeStatusMonitoring($nodestatmon);
+        $rsp->{data}->[$i++]="node status monitoring with $nodestatmon: $msg"; 
+      }
+    }
+  }
+  $rsp->{data}->[$i++]="done.";
+  $callback->($rsp);
+  
+  return;
+}
+
+
+
+
+
+
+