查看网卡 

 ifconfig | grep -A 5 -B 2 192

 修改配置文件

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



network:
  ethernets:
    enp0s3:
      dhcp4: no
      addresses:
        - 192.168.1.100/24
      gateway4: 192.168.1.1
      nameservers:
        addresses:
          - 8.8.8.8
          - 8.8.4.4

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