まずVMを作らないといけない: $ VBoxManage createvm --name test01 Virtual machine 'test01' is created. UUID: 46753dff-0314-4ac2-aeac-e963286e80a6 Settings file: '/home/flatline/VirtualBox VMs/test01/test01.vbox' $ VBoxManage showvminfo test01 VBoxManage: error: Could not find a registered machine named 'test01' VBoxManage: error: Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBox, interfac