一、关闭并禁止自启动iptables防火墙、查看状态ide
systemctl stop firewalld.servicespa
systemctl disable firewalld.servicexml
firewall-cmd --stateip
二、网卡cmd
ip addr #查看IP地址it
ip -s link #查看统计数据table
yum install net-tools便可用老的ifconfigclass
三、开机启动服务ftp
systemctl enable vsftpdiptables