"Permissions Denied" error as root: SOLVED
James Wilkinson
fedora at aprilcottage.co.uk
Tue Aug 26 19:59:20 UTC 2008
R. G. Newbury wrote:
> Weird bit is that I was logged in as root..WHICH WAS MISLEADING. When
> 'nonexec' is set, ALL users are denied execution privileges. (This is
> most useful for security purposes in denying the use of programs on for
> example a USB stick from compromising the system.
Similarly, a filesystem mounted read-only will be read-only for all
users¹, including root. You may find this more obvious, especially if
you remember hardware write-protect tabs on floppies.
James.
¹ But not the kernel – journalling filesystems may be rolled back or
rolled forwards if they weren’t cleanly unmounted.
--
E-mail: james@ | "I don't think so," said René Descartes. Just then, he
aprilcottage.co.uk | vanished.
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