Github user hkropp commented on the issue:
https://github.com/apache/zeppelin/pull/1589
Thanks for your feedback @bzz
I applied the changes required for 1. and 2.
3. Concerning Travis:
It would need to be a username and password local to the machine the test
is being executed, further it might need to be user that can potentially ssh to
the machine as the `/etc/pam.d/sshd` is being used. For now I think it would be
fine to consider this as a manually test.
4. I'll be happy to provide the documentation. Does this have to be a new
PR or can a PR be of multiple types?
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