APÉNDICE B - Un guión VPN RC para RedHat

#!/bin/sh
#
# vpnd    This shell script takes care of starting and stopping
#         vpnd (Vertual Privage Network connections).
#
# chkconfig: - 96 96
# description: vpnd 
#

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

[ -f /usr/sbin/vpnd ] || exit 0

[ -f /etc/vpnd.conf ] || exit 0

RETVAL=0

# See how we were called.
case "$1" in
  start)
        # Start daemons.
        echo -n "Starting vpnd: "
        daemon vpnd
	RETVAL=$?
 	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/vpnd
	echo
        ;;
  stop)
        # Stop daemons.
        echo -n "Shutting down vpnd: "
        killproc vpnd
	RETVAL=$?
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/vpnd
        echo
        ;;
  restart)
	$0 stop
	$0 start
	;;
  *)
        echo "Usage: vpnd {start|stop|restart}"
        exit 1
esac

exit $RETVAL