[root@ns dirbash]# cat /etc/init.d/http2.sh
#!/bin/bash
#chkconfig: - 99 88
#description: this the httpd script of myself.  #前面两行是脚本加入chkconfig 管理必须的注释行，否则报错
lockfile=/var/lock/subsys/httpd     #锁文件，用来判断http服务是否启动
pidfile=/var/run/httpd/httpd.pid    #http服务的pid
httpd=/usr/sbin/httpd           #http服务的启动脚本
prog=httpd             
timedelay=`sleep 1`         #延迟1秒
. /etc/init.d/functions         #调用系统的公共函数function； 目的：使用killproc 命令
start (){               #启动http服务函数
     if [ -e $lockfile  ] ;then
    echo "the program $prog is running..."
      else
    echo -n "Starting $prog :"
    $timedelay
    $httpd && touch $lockfile && echo -e "\t\t\t[\033[32m ok \033[0m"] || echo -e "\t\t\t[\033[31m fail \033[0m]"
     fi
}
stop () {               #关闭http服务函数
    if [ -e $lockfile ];then
       echo -n "Stopping $prog :"
            $timedelay
            killproc $prog &>/dev/null  && rm -rf $lockfile && echo -e " \t\t\t[\033[32m ok \033[0m"] || echo -e "\t\t\t[\033[31m fail \033[0m]"
    else   
       echo  -e "Stopping $prog :\t\t\t[\033[31m fail\033[0m]"
    fi
}
status () {             #http服务状态函数
    if [ -e $pidfile ];then
        echo "the program $prog (`cat $pidfile`) is running."
    else
        echo "the program $prog is stop."
    fi
}
case "$1" in
start)
    start
    ;;
stop)  
    stop
    ;;
restart)
    stop
    start
    ;;
status)
    status
    ;;
*) 
    echo "Usage: $prog [start|stop|restart|status]"
    ;;
esac
[root@ns dirbash]# chkconfig --add http2.sh^C
[root@ns dirbash]# service http2.sh start
the program httpd is running...
[root@ns dirbash]# netstat -tulpn |grep 80
tcp        0      0 :::80                       :::*                        LISTEN      10137/httpd        
[root@ns dirbash]# servcie http2.sh  stop
-bash: servcie: command not found
[root@ns dirbash]# service http2.sh stop
Stopping httpd :            [ ok ]
[root@ns dirbash]# service http2.sh restart
Stopping httpd :            [ fail]
Starting httpd :            [ ok ]
[root@ns dirbash]# service http2.sh restart
Stopping httpd :            [ ok ]
Starting httpd :            [ ok ]
[root@ns dirbash]# service http2.sh status
the program httpd (10224) is running.
[root@ns dirbash]# service http2.sh stop
Stopping httpd :            [ ok ]
[root@ns dirbash]# service http2.sh status
the program httpd is stop.
[root@ns dirbash]# service http2.sh aaa
Usage: httpd [start|stop|restart|status]