I need to replace the line
daemon ntpd $OPTIONS in the following script with
daemon ntpd $OPTIONS 2>&1 > /var/log/ntpd.log &
what will happen?
The idea of replacing is to capture the output on the console into ntpd.log file.
Will this work?
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ilaf0006 24: cat ntpd
#!/bin/bash
#
# ntpd This shell script takes care of starting and stopping
# ntpd (NTPv4 daemon).
#
# chkconfig: - 58 74
# description: ntpd is the NTPv4 daemon. \
# The Network Time Protocol (NTP) is used to synchronize the time of \
# a computer client or server to another server or reference time source, \
# such as a radio or satellite receiver or modem.
# Source function library.
. /etc/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
if [ -f /etc/sysconfig/ntpd ];then
. /etc/sysconfig/ntpd
fi
# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0
ntpconf=/etc/ntp.conf
ntpstep=/etc/ntp/step-tickers
[ -x /usr/sbin/ntpd -a -f $ntpconf ] || exit 0
RETVAL=0
prog="ntpd"
# Is there a firewall running, and does it look like one we configured?
FWACTIVE=''
if [ -f /proc/net/ip_tables_names ]; then
if iptables -L -n 2>/dev/null | grep -q RH-Firewall-1-INPUT ; then
FWACTIVE=1
fi
fi
start() {
# get the servers from step-ticker
tickers=''
if [ -s "$ntpstep" ]; then
tickers=`/bin/sed -e 's/\#.*$//g' $ntpstep`
fi
timeservers=`/usr/bin/awk '$1=="peer"||$1=="server"{print $2}' $ntpconf`
# check for -x
OPTIND=0
dostep=''
while getopts ":aAbc:dD:f:gk:l:LmnN
:P:qr:s:t:v:V:xU:T:" args $OPTIONS;
do
if [ "$args" = "x" ]; then
dostep='yes'
break
fi
done
OPTIND=0
# Open the firewall for ntp
if [ -n "$FWACTIVE" -a "$FIREWALL_MODS" != "no" ]; then
for server in `echo $tickers $timeservers | tr ' ' '\n' | sort -u`; do
echo -n $"$prog: Opening firewall for input from $server port 123"
iptables -I RH-Firewall-1-INPUT -m udp -p udp -s $server/32 \
--sport 123 -d 0/0 --dport 123 -j ACCEPT \
&& success || failure
echo
done
fi
if [ -z "$tickers" ]; then
tickers=$timeservers
fi
if [ -s "$ntpstep" -o -n "$dostep" ]; then
# Synchronize with servers if step-tickers exists
# or the -x option is used
echo -n $"$prog: Synchronizing with time server: "
/usr/sbin/ntpdate -s -b -p 8 $tickers
RETVAL=$?
[ $RETVAL -eq 0 ] && success || failure
echo
if [ $RETVAL -ne 0 ]; then
OPTIONS="$OPTIONS -g"
fi
else
# -g can replace the grep for time servers
# as it permits ntpd to violate its 1000s limit once.
OPTIONS="$OPTIONS -g"
fi
# Start daemons.
echo -n $"Starting $prog: "
daemon ntpd $OPTIONS
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/ntpd
return $RETVAL
}
stop() {
# Stop daemons.
# get the servers from step-ticker
tickers=''
if [ -s "$ntpstep" ]; then
tickers=`/bin/sed -e 's/\#.*$//g' $ntpstep`
fi
timeservers=`/usr/bin/awk '$1=="peer"||$1=="server"{print $2}' $ntpconf`
# Remove the firewall opening for ntp
if [ -n "$FWACTIVE" -a "$FIREWALL_MODS" != "no" ]; then
for server in `echo $tickers $timeservers | tr ' ' '\n' | sort -u`; do
echo -n $"$prog: Removing firewall opening for $server port 123"
iptables -D RH-Firewall-1-INPUT -m udp -p udp -s $server/32 --sport 123 -d 0/0 --dport 123 -j ACCEPT \
&& success || failure
echo
done
fi
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
05-24-2009
