How to resize a VirtualBox .vmdk file on MacOS

I’ve allocated 30GB for the Windows 10 VirtualBox virtual machine. That amount of storage was short-lived, I installed Visual Studio and a few other development tools, soon,e I needed to expend/resize the hard disk storage.

I’m running Oracle VM VirtualBox Version 5.1.28, the syntax might change in different version of VirtualBox but the steps are the same:

  • Start a Terminal session. Terminal program is located in Applications -> Utilities -> Terminals
  • My Windows 10 virtual hard disk is in the .vmdk format so I need to convert it to .vdk format first, else I will receive an error like this:

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Virtualbox Virtual Machine Fullscreen

Virtualbox is Oracle‘s free Virtual Machine software. It’s fantastic, reliable and FREE! I’ve used it for a few years now and am loving it. I don’t install new virtual machines often but when I do, I struggle with the steps to enable the Virtual Machines to fullscreen mode. I’m writing this down now for future references.

The instuctions in the post assume that the virtual machine has been installed, for example, I would already done these tasks:

  1. donwloaded and installed the virtualbox software from Oracle
  2. downloaded and installed Windows 10 from Microsoft

Now, started the virtual machine and check if the virtual machine is shoing  a thick black frame around it when in fullscreen mode. It means that the virtual machine is not displaying the same size as the host machine when in fullscreen mode.

What needs to happen now is to download and install the “Oracle VM Virtual Machine Extension Pack”, then attached the Guest Addition (installed by installing the Extension Pack) as a CD image to the virtual machines so it can be installed locally on the virtual machines. Detailed steps are:
Continue reading “Virtualbox Virtual Machine Fullscreen”