1.進入網卡目錄
cd /etc/sysconfig/network-scripts/&&ls
2.查看網卡信息
ip addr
#或者ip a
3.編輯對應的網卡配置文件
vim ifcfg-eno1
4.配置DNS
分別修改NetworkManager.conf及resolv.conf文件
vim /etc/NetworkManager/NetworkManager.conf
vim /etc/resolv.conf
5.重啓網絡
systemctl restart NetworkManager