Red Hat Enterprise Linux 6 Administration: Real World Skills ...
Sander van Vugt
MongoDB Basics
David Hows & Peter Membrey & Eelco Plugge
Learn Windows PowerShell in a Month of Lunches
Don Jones & Jeffery Hicks & Jeffrey T. Hicks
The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall
Peter N. M. Hansteen
Software Defined Networking With OpenFlow
Siamak Azodolmolky