Messages in this thread |  | | Subject | Re: preventing undeleting on ext2? | Date | Fri, 3 Jan 1997 10:54:56 -0500 (EST) | From | "Andrew E. Mileski" <> |
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> It used to be possable to prevent undelete by deleting a file, over > writing it byte for byte, and deleting that file. But it seems that this > no longer works under the newer kernels. How could one be prevented for > undeleting files under the newer kernels? And info would be greatly > appreaciated. Thanks.
I'd be amazed if that ever worked.
You have to over-write the file, and sync, _before_ you unlink it. You can hold a file open THEN unlink it though - this will prevent anyone else from opening the file while it is being over-written. As long as a file is held open, its data is kept intact after an unlink.
-- Andrew E. Mileski mailto:aem@ott.hookup.net Linux Plug-and-Play Kernel Project http://www.redhat.com/linux-info/pnp/ XFree86 Matrox Team http://www.bf.rmit.edu.au/~ajv/xf86-matrox.html
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