Date: Wed, 21 Aug 2013 10:19:33 -0500 From: Mark Felder <feld@FreeBSD.org> To: freebsd-questions@freebsd.org Subject: Re: Renumber users and groups Message-ID: <1377098373.4728.12478481.06E49ED9@webmail.messagingengine.com> In-Reply-To: <u9zjsb8bkz.fsf@banyan.cs.ait.ac.th> References: <u9zjsb8bkz.fsf@banyan.cs.ait.ac.th>
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On Wed, Aug 21, 2013, at 7:36, Olivier Nicole wrote: > > Is there a clever/fast way to do that (other than find -exec chown)? > Maybe! I haven't tried this myself yet, but next time I need to do this I think I'm going to take an mtree backup of the entire filesystem, change the UIDs and GIDs (vipw, then vi /etc/groups), and then re-apply the mtree to the entire filesystem. It should find all the files that are now orphaned and fix them to use the new UID/GID that you specified. :) > What pitfall should I avoid? > Not having a backup :)
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