Oracle VM on OEL 8
https://www.tecmint.com/install-virtualbox-on-redhat-centos-fedora/
Browsing: Oracle VM
Virtual box installation on RHEL6
https://www.tecmint.com/install-virtualbox-on-redhat-centos-fedora/
Failed to open a sesion for the virtual machine
Solution: Enable virtulazation from Bios https://www.youtube.com/watch?v=qNPGljaR_E4