Here is the full error:
Sep 21 15:29:52 grub-installer: info: Installing grub on 'dummy' Sep 21 15:29:52 grub-installer: info: grub-install does not support --no-floppy Sep 21 15:29:52 grub-installer: info: Running chroot /target grub-install --force Sep 21 15:29:53 grub-installer: source_dir doesn't exist. Please specify --target or --directory Sep 21 15:29:53 grub-installer: error: Running 'grub-install --force failed.
Here is the full error:
Sep 21 15:29:52 grub-installer: info: Installing grub on 'dummy'
Sep 21 15:29:52 grub-installer: info: grub-install does not support --no-floppy
Sep 21 15:29:52 grub-installer: info: Running chroot /target grub-install --force
Sep 21 15:29:53 grub-installer: source_dir doesn't exist. Please specify --target or --directory
Sep 21 15:29:53 grub-installer: error: Running 'grub-install --force failed.