ubuntu18.04修改IP为静态IP

cd /etc/netplan/
cat 01-network-manager-all.yaml
network:
  version: 2
  ethernets:
    ens18:
      dhcp4: no
      addresses:
        - 192.168.1.100/24
#路由配置        
      routes:
        - to: default
          via: 10.0.2.2
        - to: 192.168.2.0/24
          via: 10.0.2.3 
#DNS配置           
      nameservers:
        addresses:
          - 114.114.114.114
          - 8.8.8.8

netplan apply #配置网络生效

ubuntu18.04修改IP为DHCP获取

vim  /etc/netplan/01-network-manager-all.yaml

network:

version: 2

ethernets:

ens3:

dhcp4: yes

ens4:

dhcp4: yes

netplan apply #配置网络生效