The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall
Peter N. M. Hansteen
Database System Concepts 6th Edition
Abraham Silberschatz & Henry Korth & S. Sudarshan
Securing DevOps: Safe Services in the Cloud
Julien Vehent
Network Security Assessment: Know Your Network
Chris McNab
Elasticsearch Essentials
Bharvi Dixit
Solr in Action
Trey Grainger & Timothy Potter
Apache Solr Beginner's Guide
Alredo Serafini
Web Crawling and Data Mining With Apache Nutch
Zakir Laliwala & Abdulbasit Fazalmehmod Shaikh