firewalld启动问题

问题

在查看或启动firewalld服务时，提示"Warning: firewalld.service changed on disk. Run 'systemctl daemon-reload' to reload units."

解决方法

1. 按照提示，执行systemctl daemon-reload
2. 接着执行systemctl unmask firewalld.service
3. 然后再systemctl start firewalld，即可成功开启firewalld服务
   

转载于:https://www.cnblogs.com/feanmy/p/start-firewalld.html