Re: file ownerships changed

From: Ed Wilts (ewilts_at_ewilts.org)
Date: 07/01/05

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    Date: Fri, 1 Jul 2005 11:56:02 -0500
To: General Red Hat Linux discussion list <redhat-list@redhat.com>

    On Fri, Jul 01, 2005 at 04:40:05PM +0200, Martin Thoma wrote:
    > I just made a big mistake. I wanted to change to ownership of a
    > directory and its subdirectories. I was to fast and typed a wrong
    > regular expression so, that I changed the ownership of the files in the
    > hole dir tree. Is there a way, to made that changes undo? I hope so, If
    > not, what is the best to do now?

    Comment 1: You can't undo. The change has been made permanent and now
    you're up to try and fix what you've done.

    How to proceed depends on what you corrupted. If it's /home, your
    fastest method would be to write a script that looks up the username in
    the passwd file and sets the ownership down from there.

    If you can't guess who the original owners should have been and you
    really corrupted everything from / down, you're unfortunately better off
    restoring from your backups. Make another backup first, restore the
    system, and then do an incremental comparison to see what needs to be
    restored, remembering of course that you don't want to restore the
    corrupted ownerships. It's going to be ugly.

    If you have no backups, you're going to have a really bad weekend. 

    -- 
Ed Wilts, RHCE
Mounds View, MN, USA
mailto:ewilts@ewilts.org
Member #1, Red Hat Community Ambassador Program
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