ray@ray-Kudu-Pro:~$ sudo nautilus
[sudo] password for ray: 

(nautilus:20364): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed

(nautilus:20364): GLib-GIO-CRITICAL **: g_dbus_interface_skeleton_unexport: assertion 'interface_->priv->connections != NULL' failed

(nautilus:20364): Gtk-CRITICAL **: gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed

(nautilus:20364): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(nautilus:20364): GLib-GObject-CRITICAL **: g_signal_connect_object: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
ray@ray-Kudu-Pro:~$