In this chapter, we will cover the following recipes:
In this chapter, we will configure Hadoop cluster to run in secure mode and enable authentication, authorization, and secure transit data. By default, Hadoop runs in nonsecure mode with no access control on data blocks or service-level access. We can run all the Hadoop daemons with a single user
hadoop, without worrying about security and which daemons access what.
In addition to this, it ...