A collection of Big Data Books from Packt Publication

I found that Packt publication have few great books on Big Data and here is a collection of few books which I found very useful:Screen Shot 2014-09-30 at 11.50.08 AM

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Amazon EC2 Security Group (Firewall) settings for Hadoop Cluster

When setting Hadoop cluster in Amazon EC2 you would need to configure proper security settings (firewall) so you can access Hadoop cluster directly. Following are the settings for Cloudera CDH4 Hadoop distribution on EC2:




Port 22 for SSH, Port 7180/82 for CDH Manager, 7432 for PSQL and 8888 for Hue and finally Port 50000-50100 for Hadoop JT and HDFS.