1.说明

A.虚拟机 ubuntu-20.04
B.宿主机网络

Wireless LAN adapter WLAN:
   Connection-specific DNS Suffix  . : lan
   IPv4 Address. . . . . . . . . . . : 192.168.111.154
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.111.1

2.操作步骤

2.1.虚拟机设置网络

2.2.手动指定虚拟机的IP

1.cd /etc/netplan
2

3.vi 01-network-manager-all.yaml

network:
  version: 2
  renderer: NetworkManager
  ethernets:
      enp0s3: # 通过 ifconfig 查看
          dhcp4: no
          dhcp6: no
          addresses: [192.168.111.155/24]
          optional: true
          gateway4: 192.168.111.1
          nameservers:
              addresses: [114.114.114.114,8.8.8.8]