Virtual machine network connection mode

NAT The way

Use NAT Network connection in different ways , In the end, from the outside , Or use the address of the physical host . The external host cannot directly access the virtual machine .

The bridge The way

Level with physical machine , Directly connected to the physical network

Relevant command

1. dhclient -r eth0 Release network card ip, Used to change the network connection mode , Change the network card manually ip
2. dhclient -v eth0 Get the network card again ip
3. ip a see ip Address