hostname of the booted system according to the DNS information.
This patch takes care of the netboot case.
---- a/scripts/live
-+++ b/scripts/live
-@@ -220,6 +220,11 @@
+--- a/scripts/live-helpers
++++ b/scripts/live-helpers
+@@ -202,6 +202,11 @@
export NOACCESSIBILITY
;;