Ifup operation not allowed chown

chown command return operation not


I'm working on a raspberry pi and have a hard time giving permissions to an external hard drive I attached the following tutorial with:


I now have created folders on this external hard drive and when I get a command I returned the following:

this is in:

Now I'm trying to write it, read and execute permissions or even change the owner and group to give pi: pi

however it doesn't work - it doesn't return an error, it just seems to have no effect

And if I

i made the mistake

get use

This is a Linux question, but I think someone with a background and knowledge of using a Raspberry Pi can help me out here.

Additional information as requested:

When I run it back:


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