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However, I must stress, I likely wouldn't choose VirtualBox itself as the hypervisor platform for production hosting operations.

but if you have an enterprise-grade virtualization installation, you can reap many rewards with few issues. Inserting the Guest Additions CD Image in VirtualBox.

sudo apt update sudo apt install build-essential dkms linux-headers- (uname -r) Next, on the virtual machine window, click on Devices > Insert Guest Additions CD Image. It's true, you don't want to place production operations into an environment like that. Open a terminal and use your system’s package manager to install them with the following commands. It's just to mess around with, and is easy to configure and run. VirtualBox is actually my application of choice when running virtualization on my Win7 desktops at home and work. But most internal IT departments will "mess around with virtualization", which loosely translates to slapping a hypervisor onto an inappropriate system ( usually an old one). I can partly agree and partly disagree with that statement- when done properly, tested, and monitored for expected performance benchmarks, virtualization is financial windfall. Just use real hardware, not pseudo-hardware with a boat load of potential emulation bugs. It's still not a bright idea to use virtualization in a production environment, it's disgusting how many people do that these days.