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Is there a good tutorial on the setup of kerberos to allow for generation of principal and keytab required by PutHDFS

I'm trying to do a PutHDFS to a directory on a computer running HADOOP in single node fashion.

I've verified that hadoop is properly setup. I have also verified the connection from the Nifi PutHDFS processor to hadoop. However I see a permission denied. I'd like to solve this the "right way" using kerberos. I'm looking for the cleanest tutorial focused on this. I've found a bunch of fragments on the web, but nothing that is clean and complete.



Perhaps im just looking for .. too easy. Tutorials, such as this one, suggest that the process is not simple... or at least not without a lot of steps