ntp-server/ntpd.rc

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#!/bin/bash
#
# ntpd -- startup script for the Network Time Protocol (NTP) daemon
#
# description: this script takes care of starting and stopping \
# the NTPv4 daemon needed to set the system date and time \
# using an external source (the ntp server)
#
# chkconfig: 2345 55 10
#
# processname: nptd
# config: /etc/ntp.conf, /etc/ntp/*
# lockfile: /var/lock/subsys/ntpd
# Copyright (c) by Silvan Calarco <silvan.calarco@mambasoft.it>
# Copyright (c) by Davide Madrisan <davide.madrisan@gmail.com>
. /etc/sysconfig/rc
# Source function library.
[ -r "$rc_functions" ] && . $rc_functions
NAME=ntpd
DAEMON=/usr/sbin/$NAME
DAEMONPID=/var/run/$NAME.pid
DAEMONCONF=/etc/ntp.conf
OPTIONS="-c $DAEMONCONF -p $DAEMONPID -g"
[ -x $DAEMON ] || exit 0
# Source networking configuration.
[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network
# Check that networking is up.
[ "$NETWORKING" = "yes" ] || exit 0
[ -r /etc/sysconfig/$NAME ] && . /etc/sysconfig/$NAME
# check if the squid conf file is present
[ -r $DAEMONCONF ] || exit 0
# source clock configuration
[ -r /etc/sysconfig/clock ] && . /etc/sysconfig/clock
# see how we were called
case "$1" in
start)
# adjust time to make life easy for ntpd
if [ -r /etc/ntp/step-tickers ]; then
echo -n $"Syncing time for $NAME: "
/usr/sbin/ntpdate -sbup8 `cat /etc/ntp/step-tickers`
RETVAL=$?
evaluate_retval
echo
if [ $RETVAL = 0 ]; then
if [ $UTC = "1" ]; then
echo -n $"Syncing hardware clock to UTC: "
hwclock --set --date="`date --utc --rfc-822`" --utc
else
echo -n $"Syncing hardware clock to local time: "
hwclock --set --date="`date --utc --rfc-822`" --localtime
fi
evaluate_retval
echo
fi
fi
# start daemon
echo -n $"Starting $NAME: "
daemon --pidfile=$DAEMONPID $DAEMON $OPTIONS
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch /var/lock/subsys/$NAME
;;
stop)
echo -n $"Stopping $NAME: "
killproc -p $DAEMONPID $DAEMON
RETVAL=$?
echo
[ $RETVAL = 0 ] && rm -f /var/lock/subsys/$NAME $DAEMONPID
;;
status)
statusproc ntpd
;;
restart|reload)
$0 stop
sleep 1
$0 start
;;
condrestart)
[ -e /var/lock/subsys/$NAME ] && $0 restart || :
;;
*)
echo "Usage: /etc/init.d/$NAME {start|stop|restart|condrestart|status}"
exit 1
;;
esac