momen:~$ sudo vi /etc/netplan/00-installer-config.yaml
DNS1：8.8.8.8
DNS2：4.4.4.4

network:
    ethernets:
        ens33:
            dhcp4: no
            addresses: [192.168.1.100/24]
            optional: true
            gateway4: 192.168.1.1
            nameservers:
                    addresses: [8.8.8.8,4.4.4.4]
 
    version: 2
    

sudo netplan apply 应用修改
查看网关
route -n

查看dns
nsloopup hcos

查看ip
ip addr