(Added 6/4/2013) Please note the instructions below are deprecated. Please refer to the CDH4 Security Guide for up-to-date procedures.
A few weeks ago we ran an Apache Hadoop hackathon. ApacheCon participants were invited to use our 10-node Hadoop cluster to explore Hadoop and play with some datasets that we had loaded on in advance. One challenge we had to face was, how do we do this in a secure way?
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