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I have migrated my system to a new hard disk and backed up my system to an external NTFS volume with rsync- ahv, a oversight and mistake given that NTFS volumes do not support UNIX permissions.

Normally I would back up to an ext4 volume however this disk has failed. So now I have a backed up system, which I have spent a lot of time tweaking, with all of it's permissions and ownerships blitzed, and logging into this system is possible (once I have restored it with rsync and reconfigured grub), but problematic to say the least.

I need to restore ownerships and permissions to the system. Is there a system of chown/chmod I can use to do this?

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  • Have you access to a live CD/USB?
    – Braiam
    Nov 30, 2013 at 10:56
  • The next time, back-up with tar.
    – ignis
    Nov 30, 2013 at 10:56
  • I don't mean to be the person pointing fingers and mistakes. Please don't interpret this as such but wouldn't dd have been a better option?
    – KI4JGT
    Nov 30, 2013 at 11:46
  • Bri - Yes. Whether I use a live CD, or a standalone install of Ubuntu however makes no difference to my problem, the files on the NTFS volume will still have lost their ownership, if not permissions.
    – Chrisinpants
    Nov 30, 2013 at 16:32
  • iqnis - great advice and indeed I do use tar to archive files, as well as rsync which preserves the file structure for instant access should I need it. At the moment, I have 1 rsync backup, with incorrect ownerships.
    – Chrisinpants
    Nov 30, 2013 at 16:47

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