centos7 rc.local无效

 centos7变化很大，降低了rc.local优先级，但没取消。

1. chmod +x  /etc/rc.d/rc.local
   
2. systemctl enable rc-local.service 
3. systemctl start rc-local.service

----------------------option----------------------------

• vim /lib/systemd/system/rc-local.service
  

[Install]

WantedBy=multi-user.target

• ln -s '/lib/systemd/system/rc-local.service' '/etc/systemd/system/multi-user.target.wants/rc-local.service'
  
• systemctl enable rc-local.service
  
• Systemctl start rc-local.service