Compressing Disks
Windows Guest
- defrag
- get sdelete from SysInternals
sdelete64.exe -z c:
Host
vboxmanage modifymedium disk some-disk001.vdi --compact
Remote Display
- Needs Oracle VM VirtualBox Extension Pack (downloads)
vboxmanage extpack install ./Oracle_VM_VirtualBox_Extension_Pack-7.0.8.vbox-extpack