一、關閉並禁止自啓動iptables防火牆、查看狀態ide
systemctl stop firewalld.servicespa
systemctl disable firewalld.servicexml
firewall-cmd --stateip
二、網卡cmd
ip addr #查看IP地址it
ip -s link #查看統計數據table
yum install net-tools便可用老的ifconfigclass
三、開機啓動服務ftp
systemctl enable vsftpdiptables