How to Set the Default Gateway on Ubuntus

ip route list

ip r | grep default

sudo ip route add default via 10.10.1.1

sudo ip route add default via 10.10.1.1 dev enp0s3

sudo ip route delete default

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

 

来源：https://linuxhint.com/set-default-gateway-ubuntu/