On Sat, 2 Feb 2019 14:08:27 -0600
Daniel Allcock <dan...@allcock.org> wrote:
>Hello all,
>
>I seem to have borked a template vm, to the point that no applications
>will start and I can't even use qvm-run from dom0 to do anything, not
>even touch a file. There is one directory in
>the root of the filesystem that contains
>a ton of config info that I would like to recover. I'd
>appreciate any help.
>
>If I start an app in this vm from the Q menu then
>I get notification that it has started, and the vm does appear in the
>system tray VM management widget, but nothing else seems to happen.
>Halting the vm gives notification
>that the vm is stopping, and then the vm disappears from that widget.
>
>Here is what I have thought of so far.
>
>(1) I imagine there is a way to mount a template vm's root filesystem,
>either in dom0 or in another vm. I couldn't find docs on that.
>
>(2) I made a backup of that vm to another vm, and then used the
>emergency recovery method from
>https://www.qubes-os.org/doc/backup-emergency-restore-v4/
>to produce files containing the borked template's root and private
>filesystems. Following the instructions there allowed me to mount
>the private filesystem and access its contents. But the config
>stuff that I want to recover lies in the root filesystem, and I
>was unable to mount it:
>
>$sudo mount -o loop vm1/root.img /mnt/img
>mount: /mnt/img: wrong fs type, bad option, bad superblock
>on /dev/loop0, missing codepage or helper program, or other error.
>
>(This works fine with root replaced by private.) As a further
>strangeness, the "file" command thinks root.img is dos:
>$ file vm1/root.img
>vm1/root.img: DOS/MBR boot sector, extended partition table (last)
>
>Adding "-t vfat" to the mount command doesn't change the failure.
>On the other hand, "file" recognizes private.img as an ext4
>filesystem.
>
>Am extremely confused and a bit worried! Help very much appreciated.
>Daniel
>
If all else fails, use qvm-block -A to attach the drive image to a different vm
in order to recover information off of it.
--
You received this message because you are subscribed to the Google Groups
"qubes-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to qubes-users+unsubscr...@googlegroups.com.
To post to this group, send email to qubes-users@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/qubes-users/20190202152700.6503f1b0%40gmail.com.
For more options, visit https://groups.google.com/d/optout.
