Recently we wanted to start a Windows virtual machine from a physical hard disk using a
GNOME 3 host machine to change the domain password of a user.
To do so, we used QEMU,
QEMU is a generic and open source machine emulator and virtualizer.
To perform the password change, we needed to sent the
Delete key combination to the virtual machine to access the system screen and then change the user password.
Delete on the
GNOME 3 host machine, it popped up a prompt to shut down the host machine instead of sending the key combination to the active window of the VM. Apparently, we could not sent the key combination directly to the VM and had to find a way around it.
2 while the
QEMU window was selected/active to switch to the
In the blank screen that appeared, we typed
sendkey alt-ctrl-delete and pressed the
This action sent to the virtual machine OS the key combination
Finally, to switch back to the guest screen we pressed