Ubuntu 18的网络配置

包括Ubuntu 18.04和18.10，设置为静态IP及DNS。

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

network:
    ethernets:
        enp4s0:
            addresses: [192.168.1.15/24]  //IP地址
            gateway4: 192.168.1.1  //网关
            nameservers:
                addresses: [114.114.114.114, 202.96.128.86]  //DNS
            dhcp4: no
            optional: no
version: 2

sudo netplan apply