重設ip on ubuntu1804

reference from https://kawsing.gitbook.io/opensystem/docker-cong-an-zhuang-dao-ying-yong-ru-men-pian/she-ding-host-de-gu-ding-ip

network:

    ethernets:

      enp0s3:

        addresses: [192.168.43.32/24]

        gateway4: 192.168.43.1

        nameservers:

          addresses: [8.8.8.8,8.8.4.4]

        dhcp4: no

        optional: true

    version: 2