CentOS 7下rc.local文件开机不执行

centos7以后rc.local和之前的有不太一样了,centos7默认开机不会执行,那是什么原因呢,其实细心点看rc.local的注释就知道了


#!/bin/bash
#这个文件是为兼容性才添加的
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#强烈建议使用systemd服务或udev规则来运行开机启动脚本,而不是使用这个文件
# It is highly advisable to create own systemd services or udev rules to run scripts during boot instead of using this file.
#与以前的版本引导时的并行执行相相比,这个脚本将不会在其它服务后执行
# In contrast to previous versions due to parallel execution during boot this script will NOT be run after all other services.
#请记住:你必须运行'chmod +x /etc/rc.d/rc.local'来确保这个脚本在启动时执行
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure that this script will be executed during boot.

看了上面的注释就明白了吧,其实给rc.local加上执行权限就可以了

[root@localhost ~]# ll /etc/rc.local
lrwxrwxrwx. 1 root root 13 2月 16 23:32 /etc/rc.local -> rc.d/rc.local
[root@localhost ~]# ll /etc/rc.d/rc.local
-rw-r–r–. 1 root root 502 3月 9 00:16 /etc/rc.d/rc.local
[root@localhost ~]# chmod +x /etc/rc.d/rc.local
[root@localhost ~]# ll /etc/rc.d/rc.local
-rwxr-xr-x. 1 root root 502 3月 9 00:16 /etc/rc.d/rc.local

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