Не так.
aptitude install notification-daemon gnome-settings-daemon gnome-keyring gnome-screensaver gnome-screenshot gnome-system-monitor policykit-1-gnome xdg-user-dirs xdg-user-dirs-gtk gvfs gvfs-backends gvfs-fuse gnome-themes gnome-backgrounds gnome-icon-theme dmz-cursor-theme gnome-search-tool ttf-dejavu-extra ttf-dejavu-core gnome-media freedesktop-sound-theme
aptitude install -R nautilus metacity gnome-power-manager gnome-menus gnome-session gnome-panel gdm3 gnome-terminal gnome-applets gedit