ubunt 18.04 之后版本配置网络 netplan

查询网卡名称
ip a

dhcp

# This is the network config written by 'subiquity'
network:
  ethernets:
    enp0s7:   <-----网卡名称
      dhcp4: yes  <-----启用dhcp
      optional: true
      addresses: []
  version: 2
  renderer: networkd

static

# This is the network config written by 'subiquity'
network:
  ethernets:
    enp0s7:       <-----网卡名称
      dhcp4: no  <---- 禁用dhcp
      optional: true
      addresses: [192.168.64.6/24]  <-----24代表掩码
      gateway4: 192.168.64.1
      nameservers:
              addresses: [192.168.64.1] <-----dns和网关设置一样，省配置
  version: 2
  renderer: networkd

生效命令

netplan apply