Here’s the scenario: you’ve set up Dynamically Allocated Storage for the hard drive on your Guest VM in VirtualBox and you’ve run out of space — even though your Actual Size is smaller than the Virtual Size (this happened to me recently when my Virtual Size was 10 GB, and the Actual Size was only … Continue reading Resize a Fedora, CentOS, or Windows Dynamic Guest Virtual Disk (VDI) in VirtualBox in 3 Easy Steps