ubuntu 18.04 配置静态ip参考：

sudo vim /etc/netplan/01-netcfg.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    eno1:
      dhcp4: no
      addresses: [10.1.100.18/24]
      gateway4: 10.1.100.1
      nameservers:
              addresses: [223.5.5.5]

ubuntu 20.04 配置静态ip参考：

sudo vim /etc/netplan/00-installer-config.yaml

network:
  ethernets:
    ens18:
      addresses:
      - 192.168.1.227/24
      gateway4: 192.168.1.1
      nameservers:
        addresses:
        - 8.8.8.8
        - 223.5.5.5
        search: []
  version: 2

ubuntu 22.04 配置静态ip参考（注意 routes及via 的位置）：

sudo vim /etc/netplan/00-installer-config.yaml

network:
  ethernets:
    ens18:
      addresses:
      - 192.168.1.228/24
      routes:
        - to: default
          via: 192.168.1.1
      nameservers:
        addresses:
        - 8.8.8.8
        - 223.5.5.5
  version: 2

• 启用网卡

  sudo netplan apply