Ubuntu18.04 配置静态IP地址

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

静态IP：

# Let NetworkManager manage all devices on this system
#network:
#  version: 2
#  renderer: NetworkManager
#  ethernets:
#      enp6s0:
#          dhcp4: yes 

network:
  version: 2
  ethernets:
      enp6s0:
          dhcp4: no
          addresses: [192.168.1.22/24]
          optional: true
          gateway4: 192.168.1.1
          nameservers:
              addresses: [192.168.1.1]

DHCP：

# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager
  ethernets:
      enp6s0:
          dhcp4: yes 

#network:
#  version: 2
#  ethernets:
#      enp6s0:
#          dhcp4: no
#          addresses: [192.168.1.22/24]
#          optional: true
#          gateway4: 192.168.1.1
#          nameservers:
#              addresses: [192.168.1.1]

sudo netplan apply