卖萌的弱渣

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How to Write a Service Script

Script location

/etc/init.d

Header

xxx is the script name

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#!/bin/sh
#
# /etc/init.d/xxx
# Subsystem file for "xxx" server
# 
#
# chkconfig: 2345 95 05
# description: xxx server daemon
# 
# processname: xxx
# config: /etc/xxx/xxx.conf      // Config file
# config: /etc/sysconfig/xxx     // config file
# pidfile: /var/run/xxx.pid

### BEGIN INIT INFO
# Provides: xxx
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start daemon at boot time
# Description: Enable service provided by daemon
### END INIT INFO

Inclde required files

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# source function library
[ -f /etc/sysconfig/xxx  ] && . /etc/rc.d/init.d/functions    # include many third-party libraries

# configuration
[ -f /etc/sysconfig/xxx ] && . /etc/sysconfig/xxx

Complete Required function: start, stop, restart

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RETVAL=0
prog="xxx"

start() { 
  echo -n $"Starting $prog:"
  
  RETVAL=$?
  echo
}

stop() {  
  echo -n $"Stopping $prog:"
  
  killproc $prog -TERM
  RETVAL=$?
  
  echo
}

reload() {    
  echo -n $"Reloading $prog:"
  killproc $prog -HUP
  RETVAL=$?
  echo
}

case "$1" in  (9)
  start)
      start
      ;;
  stop)
      stop
      ;;
  restart)
      stop
      start
      ;;
  reload)
      reload
      ;;
        status)
      status $prog
      RETVAL=$?
      ;;
  *)  
      echo $"Usage: $0 {start|stop|restart|reload|status}"
      RETVAL=1
esac
exit $RETVAL

Update the symbolic links in /etc/rc.d/rcN.d

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chkconfig -add xxx

OR

Put this script into associate /etc/rc.d/rcN.d folder

Run the script manually

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service xxx start|status|reload|stop

OR

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/etc/init.d/xxx start|status|reload|stop