"Permissions Denied" error as root: SOLVED

[Mike McCarty]

James Wilkinson wrote:
> 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.

AIUI...

Having root access only gives one effective ownership, not effective
permission. Being root gives one the same privileges the owner would
have.

Mike
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