[CentOS] Virt-Manager and full-screen display

On 05/13/2017 02:52 AM, Nicolas Kovacs wrote:
> But when I do the same thing with CentOS, I don't have a real
> full-screen display. There's still two grey bars left on the upper and
> lower end of the screen.

 From the virt-manager main window:

Edit -> Preferences -> Console -> Resize guest with window

Or, from a guest VM console view:

View -> Scale Display -> Auto resize VM with window