root@ubuntu-bionic:~# systemctl status firewalld.service Loaded: loaded (/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)Active: active (running) since Sun 2019
我在centos服务器上安装了firewalld,但当我尝试启动它时,我得到了以下信息:Job for firewalld.serviceSee 'systemctl status firewalld.service' and 'journalctl -xn' for details.以下是systemctl的状态:firew