This matters: If you accidentally open a live VM disk image writable
then you will cause irreversible disk corruption.
-By libguestfs 1.12 we intend to change the default the other way.
+In a future libguestfs we intend to change the default the other way.
Disk images will be opened read-only. You will have to either specify
I<guestfish --rw>, I<guestmount --rw>, I<virt-rescue --rw>, or change
the configuration file C</etc/libguestfs-tools.conf> in order to get
The C<edit> command uses C<$EDITOR> as the editor. If not
set, it uses C<vi>.
+=item FEBOOTSTRAP_KERNEL
+
+=item FEBOOTSTRAP_MODULES
+
+These two environment variables allow the kernel that libguestfs uses
+in the appliance to be selected. If C<$FEBOOTSTRAP_KERNEL> is not
+set, then the most recent host kernel is chosen. For more information
+about kernel selection, see L<febootstrap-supermin-helper(8)>. This
+feature is only available in febootstrap E<ge> 3.8.
+
=item GUESTFISH_DISPLAY_IMAGE
The C<display> command uses C<$GUESTFISH_DISPLAY_IMAGE> to
L<virt-tar-out(1)>,
L<virt-win-reg(1)>,
L<display(1)>,
-L<hexedit(1)>.
+L<hexedit(1)>,
+L<febootstrap-supermin-helper(8)>.
=head1 AUTHORS