【Linux笔记】第一节：CentOS7 自定义启动服务

在/etc/rc.d/init.d/目录下新建autostart文件，文件名可自定义，加上执行权限。

文件内容如下：

#!/bin/sh
#
# chkconfig:   2345 90 10
# description:  autostart
#
# Simple autostart init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.

### BEGIN INIT INFO
# Provides:     autostart
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    Autostart server
# Description:          Autostart server.
### END INIT INFO

#存放PID的文件，多个自启动文件名不能重复
PIDFILE=/var/run/autostart.pid

case "$1" in
    start)
        if [ -f $PIDFILE ]
        then
                echo "$PIDFILE exists, process is already running or crashed"
        else
                echo "Starting server..."
                #这里输入要执行的后台命令
                nohup "命令" > /dev/null 2>&1 & echo $! > $PIDFILE
        fi
        ;;
    stop)
        if [ ! -f $PIDFILE ]
        then
                echo "$PIDFILE does not exist, process is not running"
        else
                PID=$(cat $PIDFILE)
                echo "Server Stopping ..."
                kill -9 ${PID}
                rm $PIDFILE
                echo "Server stopped"
        fi
        ;;
    *)
        echo "Please use start or stop as first argument"
        ;;
esac

然后执行如下代码：

#设置服务自启动
systemctl enable autostart
#启动服务
systemctl start autostart
#停止服务
systemctl start autostart

完成！