From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1BChmK-0006BO-Lw for user-mode-linux-devel@lists.sourceforge.net; Sun, 11 Apr 2004 09:25:52 -0700 Received: from smtp003.mail.ukl.yahoo.com ([217.12.11.34]) by sc8-sf-mx1.sourceforge.net with smtp (Exim 4.30) id 1BChmJ-0005Di-Vk for user-mode-linux-devel@lists.sourceforge.net; Sun, 11 Apr 2004 09:25:52 -0700 From: BlaisorBlade References: <40686E7D.2080600@unclewebster.com> <200403300217.i2U2HKxc026892@ccure.user-mode-linux.org> In-Reply-To: <200403300217.i2U2HKxc026892@ccure.user-mode-linux.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Message-Id: <200404111651.20256.blaisorblade_spam@yahoo.it> Subject: [uml-devel] Re: [uml-user] one drawback to using cows commercially... Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Sun, 11 Apr 2004 16:51:20 +0200 Content-Transfer-Encoding: quoted-printable To: Jeff Dike , tim doyle Cc: UML , user-mode-linux-devel@lists.sourceforge.net Alle 04:17, marted=EC 30 marzo 2004, Jeff Dike ha scritto: > tim@unclewebster.com said: > > Is there any clever way to reset the root password for users, aside > > from deleting the cow? "linux single" is fine, but aside from that? > > I'm finishing up a new hostfs-like filesystem which I want to become the > preferred mechanism to boot UMLs because of its ability to mmap data from > the host, eliminating duplicate copies of file data in memory. > > A side-effect of this is that UML filesystems will become visible on the > host, so password changing would be a matter of chrooting to the filesyst= em > and running passwd. > > Currently, there is no COW functionality, but I plan to add file-level > COWing with block-level COWing possibly following later. Have you heard of the discussion about COWlinks? I.e. creating a Copy - On = -=20 Write functionality for hard links? Or do you want to rewrite files one pag= e=20 at a time (i.e. if I change one byte inside a file, only the "page"=20 containing that byte is copied and changed)? http://lwn.net/Articles/77215/ --=20 Paolo Giarrusso, aka Blaisorblade Linux registered user n. 292729 ------------------------------------------------------- This SF.Net email is sponsored by: IBM Linux Tutorials Free Linux tutorial presented by Daniel Robbins, President and CEO of GenToo technologies. Learn everything from fundamentals to system administration.http://ads.osdn.com/?ad_id=1470&alloc_id638&op=CCk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel