Ubuntu NetPlan

netplan apply

配置路径

/etc/netplan

基本配置

network:
  version: 2
  renderer: NetworkManager
network:
  ethernets:
    eth10g0:
      addresses:
        - 192.168.1.20/24
        - 192.168.3.11/16
      gateway4: 192.168.1.1
      nameservers:
        addresses:
          - 114.114.114.114
          - 223.5.5.5

双网口情况

network:
  version: 2
  renderer: NetworkManager
  ethernets:
    eth10g0: {}
    eth10g1: {}
  bonds:
    bond0:
      interfaces:
        - eth10g0
        - eth10g1
      parameters:
        mode: active-backup
        primary: eth10g0
        mii-monitor-interval: 100
      addresses:
        - 192.168.1.20/24
        - 192.168.3.11/16
      gateway4: 192.168.1.1
      nameservers:
        addresses:
          - 114.114.114.114
          - 223.5.5.5

DNS 问题

# 配置文件
/etc/resolv.conf

如果 看到，那么DNS 受systemd-resolved 管理，这几乎是默认的

nameserver 127.0.0.53  

启动systemd-resolved

sudo systemctl enable --now systemd-resolved