Slightly modified version of linux /etc/init.d/ntpd script which fires

off our ntpstart wrapper. Also a bug fix that was causing the initial
ntpdate to fail (-u option).

tmcd/linux/ntpd.sh

+#!/bin/sh
+#
+# ntpd		This shell script takes care of starting and stopping
+#		ntpd (NTPv4 daemon).
+#
+# chkconfig: - 26 74
+# description: ntpd is the NTPv4 daemon.
+
+# Source function library.
+. /etc/init.d/functions
+
+# Source networking configuration.
+. /etc/sysconfig/network
+
+# Check that networking is up.
+[ ${NETWORKING} = "no" ] && exit 0
+
+[ -x /usr/sbin/ntpd -a -f /etc/ntp.conf ] || exit 0
+
+. /etc/emulab/paths.sh
+
+if [ -x $BINDIR/ntpstart ]; then
+    NTPD="--check ntpd $BINDIR/ntpstart /usr/sbin/ntpd";
+else 
+    NTPD="ntpd";
+fi
+
+RETVAL=0
+prog="ntpd"
+
+start() {
+	# Adjust time to make life easy for ntpd
+	if [ -f /etc/ntp/step-tickers ]; then
+		echo -n $"Synchronizing with time server: "
+		/usr/sbin/ntpdate -s -b -p 8 \
+		    `/bin/sed -e 's/#.*//' /etc/ntp/step-tickers`
+		success
+		echo
+	fi
+        # Start daemons.
+        echo -n $"Starting $prog: "
+        daemon $NTPD
+	RETVAL=$?
+        echo
+        [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ntpd
+	return $RETVAL
+}
+
+stop() {
+        # Stop daemons.
+        echo -n $"Shutting down $prog: "
+	killproc ntpd
+	RETVAL=$?
+        echo
+        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ntpd
+	return $RETVAL
+}
+
+# See how we were called.
+case "$1" in
+  start)
+	start
+        ;;
+  stop)
+	stop
+        ;;
+  status)
+	status ntpd
+	RETVAL=$?
+	;;
+  restart|reload)
+	stop
+	start
+	RETVAL=$?
+	;;
+  condrestart)
+	if [ -f /var/lock/subsys/ntpd ]; then
+	    stop
+	    start
+	    RETVAL=$?
+	fi
+	;;
+  *)
+        echo $"Usage: $0 {start|stop|restart|condrestart|status}"
+        exit 1
+esac
+
+exit $RETVAL