In the /etc/netplan/ directory, the default configuration file name is 50-cloud-init.yaml.
##Let NetworkManager manage all devices on this system
network: version: 2
##renderer: NetworkManager
ethernets:
eth0:
addresses: [192.168.0.111/24]
gateway4: 192.168.0.1
nameservers:
addresses: [192.168.0.1]
sudo netplan apply, ---------------invalid ifconfig-------------------------IP unchanged
and, how do it?