[TriLUG] Strange perms change..
lovelace at wayfarer.org
Wed Jan 28 15:33:22 EST 2004
Brian A. Henning wrote:
> Hi folks,
> Quick question for pondering:
> I've a perl script that runs as a cron job once a minute. Inexplicably, I
> started receiving crond e-mails saying ..."/usr/bin/perl: Bad interpreter:
> Permission denied."
> I nosed around and discovered that this was because, strangely, the user
> execute bit had been cleared on all the files in the directory in which that
> script resides. chmod u+x fixed the problem, but I'm very curious for
> insight as to why the user execute bit would have suddenly cleared itself..
> I am running a Norton Corporate Edition (7.something I think) virus scan
> from my Windoze XP machine that includes a SMB share that includes the
> aforementioned directory. The timing of the crond messages could
> potentially (although I am unsure) coincide with the time that the virus
> scanner reached into the mounted directory tree. Is there any precedent of
> Windows virus scanners futzing with file permissions on Samba shares?
> Yes, I am aware that scanning the Linux machine from the Windows machine is
> neither efficient nor exhaustive. I just didn't bother deselecting the
> mounted volume from the scanner's selection.
What distribution are you running?
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