Pro Apache Hadoop
Sameer Wadkar & Jason Venner
HTML5 Pocket Reference
Jennifer Niederst Robbins
Red Hat Enterprise Linux 7 RH134 Red Hat System Administration ...
Red Hat Training
Red Hat System Administration (2)
Embedded Systems: Introduction to the ARM® Cortex(TM)-M Microcontrollers
Jonathan W Valvano
CentOS 6 Linux Server Cookbook
Jonathan Hobson
CentOS High Availability
Mitja Resman
SELinux System Administration
Sven Vermeulen