/etc/rc.local 和/etc/init.d/rc.local的区别

最新推荐文章于 2025-06-16 16:42:12 发布

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最新推荐文章于 2025-06-16 16:42:12 发布

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本文详细解析了Linux系统中rc.local脚本的工作原理及其执行流程。通过分析/etc/rc.local和/etc/init.d/rc.local两个文件的具体内容，展示了如何通过rc.local进行自定义启动脚本设置。

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从下面的命令注释内容可以看出，/etc/init.d/rc.local里面会判断是否存在/etc/rc.local，如果存在，就执行这个文件

/etc/rc.local的内容如下： cat /etc/rc.local

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

exit 0

/etc/init.d/rc.local的内容如下： cat /etc/init.d/rc.local

#! /bin/sh
### BEGIN INIT INFO
# Provides:          rc.local
# Required-Start:    $all
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:
# Short-Description: Run /etc/rc.local if it exist
### END INIT INFO


PATH=/sbin:/usr/sbin:/bin:/usr/bin

. /lib/init/vars.sh
. /lib/lsb/init-functions

do_start() {
	if [ -x /etc/rc.local ]; then
	        [ "$VERBOSE" != no ] && log_begin_msg "Running local boot scripts (/etc/rc.local)"
		/etc/rc.local
		ES=$?
		[ "$VERBOSE" != no ] && log_end_msg $ES
		return $ES
	fi
}

case "$1" in
    start)
	do_start
        ;;
    restart|reload|force-reload)
        echo "Error: argument '$1' not supported" >&2
        exit 3
        ;;
    stop)
        ;;
    *)
        echo "Usage: $0 start|stop" >&2
        exit 3
        ;;
esac