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Art Alexion wrote:
> On Thu, Jun 18, 2009 at 3:30 PM, JP Vossen <jp@jpsdomain.org> wrote:
>>> Date: Thu, 18 Jun 2009 13:53:21 -0400
>>> From: Art Alexion <art.alexion@gmail.com>
>> [Snipped: installed kubuntu 9.04 with encrypted $HOME, then installed
>> Ubuntu Studio (64-bit) which can't read encrypted $HOME.]
>>> Should I just delete the partition and start over? Is there any chance of
>>> recovering it?
>> You don't mention which version of Studio, 9.04? If so I would think it
>> could do the same encrypted home thing? Perhaps you can install Kubuntu
>> 9.04 in a VM then list the installed packages to figure out what else
>> you need to install?
>
> I installed ecryptfs which is a kubuntu option, but not a studio one
> (both are 9.04 by the way). The exact message I am getting is
> # ecryptfs-mount-private
> Private is not set up properly!
>
>
Isn't encryptfs or any other tool for encrypting partitions a front end
for losetup or cryptsetup (8) for setting up dm-crypt? Also, you might
want to look at /etc/fstab to see how /home is mounted.
/dev/mapper/sda11_crypt /home ext3 defaults 0 2
The above example would use cryptsetup
If /dev/loop? is listed then you might be able to usr losetup to mount
the partition.
You might want to read
http://pompone.cs.ucsb.edu/~wei/EncryptFS.pdf
>>
>> Bottom line: how much effort is the data worth? Worse case I would
>> think that nuking Studio and re-installing Kubuntu 9.04 would allow you
>> to access the encrypted data, though it might take some hacking around.
>> You then recover it, blow it all away again and start over.
>
> Mostly personal stuff like music, video. Work stuff is on a file
> server share, and smaller personal files are in Dropbox. I think I
> have backups, but I am not sure.
>
>
>>
>> FWIW I did encrypted whole disk (except /boot) + LVM2 (for snapshots),
>> which works fine. I was able to read the encrypted disk elsewhere, via
>> USB enclosure, while booted from some Ubuntu Live-CD or USB (I forget
>> which, likely 9.04):
>>
>> # cryptsetup luksOpen /dev/sdc3 usb_disk
>> Enter LUKS passphrase:
>> key slot 0 unlocked.
>> Command successful.
>>
>> # lvscan
>> # mount /dev/volgroup/lv_root /mnt
>>
>
>
> When I set up the encrypted file system the first time, I was having
> trouble issuing unwrap passphrase command as instructed in order to
> create a recovery passphrase. Then, I forgot it was even encrypted.
> So I don't have a passphrase for it as far as I know.
>
>
> --
>
> --
> artAlexion
> sent unsigned from webmail interface
> ___________________________________________________________________________
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>
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