将memcached添加到系统服务

#! /bin/sh
#
# chkconfig: - 55 45
# description:	The memcached daemon is a network memory cache service.
# processname: memcached
# config: /etc/sysconfig/memcached
# pidfile: /var/run/memcached/memcached.pid

# Standard LSB functions
#. /lib/lsb/init-functions

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

PORT=11211
USER=memcached
MAXCONN=1024
CACHESIZE=64
OPTIONS=""

if [ -f /etc/sysconfig/memcached ];then
. /etc/sysconfig/memcached
fi

# Check that networking is up.
. /etc/sysconfig/network

if [ "$NETWORKING" = "no" ]
then
exit 0
fi

RETVAL=0
prog="memcached"
pidfile=/var/run/memcached/memcached.pid
lockfile=/var/lock/subsys/memcached

start () {
echo -n $"Starting $prog: "
# Ensure that /var/run/memcached has proper permissions
if [ "`stat -c %U /usr/local/bin/memcached`" != "$USER" ]; then
chown $USER /usr/local/bin/memcached
fi

daemon --pidfile ${pidfile} /usr/local/bin/memcached -d -p $PORT -u $USER  -m $CACHESIZE -c $MAXCONN -P ${pidfile} $OPTIONS
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch ${lockfile}
}
stop () {
echo -n $"Stopping $prog: "
killproc memcached
RETVAL=$?
echo
if [ $RETVAL -eq 0 ] ; then
rm -f ${lockfile} ${pidfile}
fi
}

restart () {
stop
start
}

# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p ${pidfile} memcached
RETVAL=$?
;;
restart|reload|force-reload)
restart
;;
condrestart|try-restart)
[ -f ${lockfile} ] && restart || :
;;
*)
echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart|try-restart}"
RETVAL=2
;;
esac

exit $RETVAL