Linux添加服务，让程序开机运行

#!/bin/bash
#
# Startup script for the pmagent
#
# chkconfig: 345 99 02
# description: Run the xxx 
INITLOG_ARGS=""
prog="xxx"
progname="xxx"
RETVAL=0
# Edit the following to indicate the 'bin' directory for your installation
MDIR=/opt/xxx
if [ ! -d "$MDIR" ]
then
echo "Invalid directory $MDIR"
exit 1
fi
start()
{
mv -f /var/log/xxx.log /var/log/xxx1.log
echo "Starting $progname"
cd $MDIR
nohup sh startxxx.sh >/var/log/xxx.log 2>&1 &
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch /var/lock/Xxx 
}
stop()
{
echo "Stopping $progname"
cd $MDIR
sh shutdownxxx.sh >>/var/log/xxx.log 2>&1
}
case "$1" in
start)
start
;;
stop)
stop
;;
*)
echo "Usage: $prog {start|stop}"
exit 1
;;
esac
exit $RETVAL