Re: [Libguestfs] guestfish and grub-install
[CC'd to libguestfs mailing list, please send follow ups there]
On Thu, May 12, 2011 at 02:58:20PM +0200, Adrian Reber wrote:
I am running guestfish on SL6 to install a few ubuntu VMs. I am now
at
the point where I try to install grub on the VMs. Should be easy with
"grub-install". But it seems this installs the grub from the host
machine. In my case that is grub 0.97 instead of the grub2 ubuntu wants.
This is true.
Trying to run the grub-install from ubuntu in guestfish does also
not
work:
><fs> command "/usr/sbin/grub-install --root-directory=/ /dev/vda"
libguestfs: error: command: df: Warning: cannot read table of mounted file systems: No
such file or directory
df: Warning: cannot read table of mounted file systems: No such file or directory
Could not find device for //boot: Not found or not a block device.
><fs>
Because only /dev/vda1 has been mounted on /.
Any ideas how I can install grub2 with guestfish?
You could try running the grub2 command (ie. using 'command').
However see the caveats at:
http://libguestfs.org/guestfs.3.html#running_commands
http://libguestfs.org/guestfs.3.html#security
The situation is further confusing because grub2 is not a universally
agreed upon upgrade to grub (Fedora is still using grub and won't
update to grub2 any time soon).
Anyhow, patches welcome if you want to fix the API.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-top is 'top' for virtual machines. Tiny program with many
powerful monitoring features, net stats, disk stats, logging, etc.
http://et.redhat.com/~rjones/virt-top