We are learning here to make clone of an existing virtual machine on oracle virtual box. Oracle Virtual box provide two method to clone a virtual machine and they are as follow:
1. Full Clone.
2. Linked Clone.
This video explain both method and implement it.
Full Clone Vs linked clone
Full Clone Pros: You can move your virtual machine from one location to another without depending on other virtual machine.
Linked Clone Pros: Takes less hard disk space.
Full clone cons: Consume lot of space in hard disk.
Linked Clone Cons: Hard to move without its linked virtual machine hard disk
Link to CentOS 7 installation on VM video : • centos7 installation on Virtual Box