polkit-gnome: polkit-gnome (GTK+ authentication agent for polkit) polkit-gnome: polkit-gnome: polkit-gnome provides a GTK+ based authentication agent for polkit. polkit-gnome: It can be used by any desktop environment that follows the XDG polkit-gnome: Base Directory Specification. polkit-gnome: polkit-gnome: polkit-gnome: polkit-gnome: polkit-gnome: polkit-gnome: