21st Century C: C Tips From the New School
Ben Klemens
Network Security Assessment: Know Your Network
Chris McNab
IPv6 Essentials
Silvia Hagen
Apache Solr Essentials
Andrea Gazzarini
Hadoop Cluster Deployment
Danil Zburivsky
Pro Apache Hadoop
Sameer Wadkar & Jason Venner
Apache Spark 2.x Cookbook
Rishi Yadav