tomcat配置动、静态双IP

cd /etc/netplan

 # This is the network config written by 'subiquity'
network:
  ethernets:
    ens33:
      addresses: [192.168.21.85/24]
      gateway4: 192.168.21.1
      nameservers:
        addresses: [192.168.21.1,114.114.114.114]      
  version: 2

# This is the network config written by 'subiquity'
network:
  ethernets:
    ens33:
      dhcp4: true
  version: 2    

sudo netplan apply --debug

ip a