The service command supports only basic LSB actions (start, stop, restart, try-restart, reload, force-reload, status). For other actions, please try to use systemctl.
在centos7上,经常修改了iptables规则后,重启后规则就没了。有些地方使用使用 iptables-save,然而并无卵用; 正确的保存操作是 service iptables save
Uncaught (in promise) Error: A listener indicated an asynchronous response by returning true, but the message channel closed before a response was received