From owner-freebsd-questions@FreeBSD.ORG Wed Sep 12 21:53:46 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7CDA71065673 for ; Wed, 12 Sep 2012 21:53:46 +0000 (UTC) (envelope-from kline@thought.org) Received: from p3plsmtpa01-05.prod.phx3.secureserver.net (p3plsmtpa01-05.prod.phx3.secureserver.net [72.167.82.85]) by mx1.freebsd.org (Postfix) with SMTP id 5388D8FC14 for ; Wed, 12 Sep 2012 21:53:46 +0000 (UTC) Received: (qmail 18460 invoked from network); 12 Sep 2012 21:47:06 -0000 Received: from unknown (209.180.213.209) by p3plsmtpa01-05.prod.phx3.secureserver.net (72.167.82.85) with ESMTP; 12 Sep 2012 21:47:05 -0000 Date: Wed, 12 Sep 2012 14:47:04 -0700 From: Gary Kline To: Waitman Gobble Message-ID: <20120912214704.GB19460@ethic.thought.org> References: <20120911213804.GA9817@ethic.thought.org> <20120912011443.5df17cf2.freebsd@edvax.de> <50502C51.5020601@FreeBSD.org> <20120912174625.GA17551@ethic.thought.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Cc: Polytropon , Matthew Seaman , FreeBSD Mailing List Subject: Re: cksum entire dir?? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Sep 2012 21:53:46 -0000 On Wed, Sep 12, 2012 at 10:55:57AM -0700, Waitman Gobble wrote: > On Wed, Sep 12, 2012 at 10:46 AM, Gary Kline wrote: > > > On Wed, Sep 12, 2012 at 07:31:45AM +0100, Matthew Seaman wrote: > > > On 12/09/2012 00:14, Polytropon wrote: > > > > % cksum > > > > > > > > and could obtain a checksum - so it _seems_ to work. > > > > After alteration of one file within the hierarchy a > > > > different result was printed. > > > > > > That will give you a checksum on the directory inode -- file names and > > > associated metadata only, not file content. In theory you could edit a > > > file without modifying any of the timestamps, and that wouldn't result > > > in any change to the directory checksum. Also, modifying things a few > > > layers down the filesystem hierarchy won't have any effect either. > > > > > > Generally I find the best test for differences between old and new > > > copies of a filesystem is 'rsync -avx -n ...' > > > > > > Also, sum and cksum have way too small a key size for this to be > > > reliable, since you can't tell a true result from a hash collision. Use > > > md5 or sha1 or sha256 for best results. > > > > > > > So this sha256 is *real*?? I have no md5 on my "fedora" > > that is on my desktop and m having trouble getting used to. > > but the gentleman who recommened cpio was right on the money. > > > > > > are you sure it's not 'md5sum' ? ... that seems to be on all my GNU/Linux > machines. > > Waitman Gobble > San Jose California USA > yup, you be right. altho we have no md5 [[does FBSD?]], fedora does have md5sum. makes me wonder why this flavor didnt do at least a symlink. oh well. thankee much. [[ axeing to save BW ]] > > > > Dr Matthew J Seaman MA, D.Phil. > > > PGP: http://www.infracaninophile.co.uk/pgpkey > > > > > > > > > > > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to " > > freebsd-questions-unsubscribe@freebsd.org" > >