Livy in secured cluster is still in progress. See https://github.com/cloudera/livy/pull/145
But this is only in livy side. In zeppelin side, I believe you also need to specify keytab and principal to access livy rest api. I don't know whether you need to refresh ticket in zeppelin side, it depends on zeppelin side implementation. On Wed, Jul 20, 2016 at 4:55 AM, Chen Song <chen.song...@gmail.com> wrote: > I have a question on running Zeppelin Spark interpreter in a Kerberized > environment. > > Spark comes with a runtime conf that allows you to specific the keytab > and principal. > > My questions are: > 1. When using Livy, does it rely on the same mechanism when starting Spark > 2. Whether to use Livy or not, there doesn't seem a way to refresh login > from the specified the principle and keytab. After a while, I need to run > kinit manually to re-login using the principal with the keytab, if the > interpreter needs to be restarted. Is there a better way to address this? > > Chen > -- Best Regards Jeff Zhang