How to solve the issue that VirtualBox cloned VMs have same dhcp IP address

In some cases, you may like to clone a VirtualBox VM for a test purposes. But after new VM gets created, you may find that the IP address assigned (using Host Only network) to the cloned VM is the same as the original VM. This of course causes issues. To resolve this problem, one way is to use static IP, but many times you are using DHCP, so in this case, you need to assign different MAC address for the cloned VM, then run the following commands,

sudo dhclient -r enp0s3

sudo dhclient enp0s3

Notice that enp0s3 is the interface card name of your VM, it can be something else such as eth0 or eth1.