配置文件在:

/etc/netplan/50-cloud-init.yaml

# This file is generated from information provided by

# the datasource.  Changes to it will not persist across an instance.

# To disable cloud-init's network configuration capabilities, write a file

# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:

# network: {config: disabled}

network:

    ethernets:

        ens33:

            addresses: [192.168.123.205/24]

            gateway4: 192.168.123.1

            dhcp4: no

            nameservers:

                    addresses: [223.5.5.5,223.6.6.6]

    version: 2