Re: "Permissions Denied" error as root: SOLVED

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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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