Github user Tagar commented on the issue:
https://github.com/apache/zeppelin/pull/1840
Thank you @khalidhuseynov .
On
> user configures export ZEPPELIN_IMPERSONATE_CMD in here with kinit
<principal>@<REALM> -k -t <keytab file> and then it's run before spark-submit
The only problem I see with this option is that Kerberos tickets will not
be renewed automatically, and will expire at some point.
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