As someone else suggested, look at the output of "mount"


--- "Eric \"Shubes\"" <plug@shubes.net> wrote:

> It appears to be set in /etc/mtab. Any other way to tell? When I test, 
> though, I'm able to delete files.
> 
> Kenneth wrote:
> > I agree access control might do it, but it would be cumbersome.  Are you
> sure
> > you're getting the ro option set?  I know people who specifically keep
> root,
> > /usr, etc mounted ro, I don't think root should be able to write to them.
> > 
> > --- Mike Schwartz <mike.l.schwartz@gmail.com> wrote:
> > 
> >> On 9/8/06, Eric Shubes <plug@shubes.net> wrote:
> >>> I've created a sandbox for building rpms. It was suggested to me that
> for
> >>> some directories, such as /bin, /lib, /sbin, I could mount them with
> >>> ro,bind
> >>> options instead of coping or hard linking them. What I've discovered,
> >>> though, is that the ro mount option does not prohibit root from
> modifying
> >>> a
> >>> mounted directory. Is there any way to mount a directory such that root
> >>> cannot write to it?
> >>> --
> >>> -Eric 'shubes'
> >>> ---------------------------------------------------
> >>>
> >> I could be way off base here,
> >> but have you looked in to access control lists?
> >> I think I read somewhere that FC4 or so,
> >> has an implementation of them
> >> that is comparable to the "ACL" functionality
> >> in some other OS's.
> >> -- 
> >> Mike Schwartz
> >> Glendale  AZ
> >> schwartz@acm.org
> >> Mike.L.Schwartz@gmail.com
> 
> 
> -- 
> -Eric 'shubes'
> ---------------------------------------------------
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