Based on planning done, I proceeded to build the VM and install OEL 7.
I was using VirtualBox 5.0.2
After I selected New, I got the following screen which I filled in with the name of the VM and the choice of an Oracle Linux 64-bit.
Clicked Next.
Increased the memory size to 1 GB.
Clicked Next.
Accept the default:
Clicked Next.
Accepted the default:
Clicked Next.
Changed to Fixed size:
Clicked Next.
Changed the name to clifton_root and decrease the size to 10 GB.
Clicked Create.
The following appeared:
And all was done.
Under Settings for Clifton, I updated the network adapter #1 to be a bridged adpater in order to a manualy assigned network address:
Clicked OK.
Under Settings for Clifton, I mounted V46135-01.iso in the optical drive:
Clicked OK.
Clicked Start on Clifton for the installation of OEL 7.
This was a minimal installation.
Clicked Reboot at the very end.