[ILUG] puzzle of the day: RHEL has files seemingly undoing edits
frank.duignan at gmail.com
Tue Feb 12 15:09:06 GMT 2008
Is there a cron job restoring default files as part of some security
On 12/02/2008, Michael Watterson <watty at eircom.net> wrote:
> Kae Verens wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > Gavin McCullagh wrote:
> >> Hi,
> >> On Tue, 12 Feb 2008, Brendan Kehoe wrote:
> >>> Anyway, I'm seeing files which I edit and change regressing back,
> >>> all by themselves to previous versions of the file.
> >>> Thus I edit the file, save, close, and do anything (md5sum, copy,
> >>> wc, whatever) with the file, and it works fine.
> >>> Then I come back in 20 minutes, and again try to use the file (run
> >>> md5sum, whatever) and it fails,
> >>> I check why and the file I had just updated is back to its original
> >>> file!!
> >> Does the datestamp change? Does it go forward or backward?
> > probably a silly question, but are the files held on a medium such as
> > Flash or Floppy? the reason I ask is that those file systems are
> > asynchronous and might not be committed to the medium immediately, so a
> > system crash might have uncommitted edits.
> Or indeed RAID, esp RAID5 can do this... Or Mad Filesystem Cache SW.
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