If you cannot open the guest session and get a VERR_NOT_FOUND VirtualBox error, follow the tips, solutions, and workarounds mentioned below. Check if “VBoxGuestAdditions.iso”n exists Insert Guest ...

How to install VirtualBox Guest Additions on a GUI-less Ubuntu server host Your email has been sent The VirtualBox Guest Additions gives a performance boost and extra ...

Many data centers rely on virtual machines (VMs). In some cases, those VMs are powered by the popular and free VirtualBox. VirtualBox admins enjoy a lot of flexibility, but what about performance?

VirtualBox is great for testing out a new operating system, but your virtual machines probably aren't that special when you first set them up. Here are a few tips for making them much easier to ...