好记性不如烂笔头，此篇是为了方便以后速查关于防火墙Iptables的命令。

将某个程序命令注册成service，举例tomcat

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vi /etc/init.d/tomcat

添加脚本内容

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#!/bin/bash
# description: Tomcat7 Start Stop Restart
# processname: tomcat7
# chkconfig: 234 20 80

CATALINA_HOME=/usr/local/tomcat/apache-tomcat-7.0.77

case $1 in
        start)
                sh $CATALINA_HOME/bin/startup.sh
                ;;
        stop)
                sh $CATALINA_HOME/bin/shutdown.sh
                ;;
        restart)
                sh $CATALINA_HOME/bin/shutdown.sh
                sh $CATALINA_HOME/bin/startup.sh
                ;;
        *)
                echo 'please use : tomcat {start | stop | restart}'
        ;;
esac
exit 0

保存shell脚本

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serrvice tomcat start    #启动

service tomcat stop    #停止

service tomcat restart     #重启