opening up a port on centos 7 firewall (using firewalld)

Blog post edited by Lester Martin There I was on an AWS hosted node trying to access port 2181 and 9092 on another AWS node where I just followed the instructions at to get a stand-alone instance of Kafka…
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What Open Source Leadership Means for Customers

Users of Cloudera’s platform get all the expected benefits of open source. At the same time, they get others that only deep and wide community involvement can provide. Today, software for every layer of the enterprise stack is available under…
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Credit Cards and Big Data: The Challenge of PCI Compliance

As the requirements of an increasing variety of risk, conduct, transparency, and technology standards grow to exabyte scale, financial services firms and regulatory agencies are struggling with new compliance challenges, particularly as they relate to balancing data administration cost and…
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