习惯于在/etc/rc.local文件里配置我们需要开机启动的服务,这个在centos6系统下是正常生效的.但是到了centos7系统下,发现/etc/rc.local文件里的开机启动项不执行了!仔细研究/etc/rc.local文件内容,发现问题如下: [root@openstack ~]# cat /etc/rc.local #!/bin/bash # THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES # # It is highly advisab