Re: Listings Question About Ping

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On Fri, 2011-12-23 at 15:57 +0100, Reindl Harald wrote: 
> 
> Am 23.12.2011 15:47, schrieb Aaron Konstam:
> > On Thu, 2011-12-22 at 23:55 -0500, Richard Heck wrote: 
> >> On 12/22/2011 03:33 PM, Michael Cronenworth wrote:
> >>> Richard Heck wrote:
> >>>> When I do:
> >>>>      ls /bin/ping
> >>>> I get "ping" displayed with black text on a red background. I don't see
> >>>> anything special about its permissions. What's up?
> >>>
> >>> Fedora switched[1] from using the suid-bit to capabilities. If you 
> >>> wish to see capabilities you can run "getcap" on the file.
> >>>
> >>> $ getcap /bin/ping
> >>>
> >>> [1] http://fedoraproject.org/wiki/Features/RemoveSETUID
> >>>
> >> Thanks. I did eventually figure this out. Unfortunately, there doesn't 
> >> seem to be much documentation about this particular set of colors, 
> >> though it is reminiscent of what happens with e.g. mount and umount.
> > 
> > I guess I am thick because I can't understand the explanation in the web
> > page above. An example or two might have helped.
> 
> you need to understand what SETUID and CAPABILITIES are
> what examples are you expecting? these are technics
> 
> http://en.wikipedia.org/wiki/Setuid
> http://kernel.org/doc/man-pages/online/pages/man7/capabilities.7.html
> 

Examples of a specific capability replaces a setuid. You web pages were
of more help.
-- 
=======================================================================
"In the long run, every program becomes rococo, and then rubble." --
Alan Perlis
=======================================================================
Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx

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