How to install VirtualBox Extension Pack on Wayland systems (e.g. Ubuntu 17.10) by temporarily switching to X11 login.
How to migrate or share VirtualBox images between host PCs.
How to rescue a .vdi disk image if your VirtualBox OS won’t boot anymore with this procedure. This allows rescuing virtual machine files you created.
When upgrading your OS, upgrade your VirtualBox as well
For VirtualBox to work correctly with a Linux host, you must add your username to the vboxusers group.
How to fix VirtualBox Windows 10 guest doesn’t see Shared Folders issue.
How to reduce the size of huge VirtualBox VDI images. Compact the virtual machine file size dramatically with this procedure.
Troubleshooting AGI STK in VirtualBox.
Select the correct guest operating system in VirtualBox configuration to avoid errors.