centos7操做

配置静态IP

vi /etc/sysconfig/network-scripts/ifcfg-eno16777984

IPADDR=****
GATEWAY=****
NETMASK=255.255.255.0

配置DNS

vi /etc/resolv.conf

nameserver ****

查看防火墙状态

firewall-cmd --state

中止firewall

systemctl stop firewalld.service

禁止firewall开机启动

systemctl disable firewalld.service

关闭selinux 
进入到/etc/selinux/config文件

vi /etc/selinux/config

将SELINUX=enforcing改成SELINUX=disabled

修改主机名称

hostnamectl set-hostname xxx