• Clone a virtual disk image:
$ VBoxManage clonehd original-disk.vdi copy.vdi
  • Resize a virtual disk image to 20 Gb:
$ VBoxManage modifyhd disk.vdi --resize 20000
  • Convert a VirtualBox image to a raw image:
$ VBoxManage clonehd --format RAW disk.vdi disk.raw
  • Convert a raw image to a VirtualBox image:
$ VBoxManage convertdd disk.raw disk.vdi --format VDI
  • List virtual machines:
$ VBoxManage list vms
$ VBoxManage modifyvm "name" --natdnshostresolver1 on
$ VBoxManage modifyvm "name" --natdnsproxy1 on