Building DMZs for Enterprise Networks
Robert J. Shimonski & Will Schmied & V Chang & Thomas W. Shinder
OpenSSL Cookbook: A Guide to the Most Frequently Used OpenSSL ...
Ivan Ristic
Git Essentials
Ferdinando Santacroce
Learning R
Richard Cotton
The Practice of System and Network Administration
Thomas A. Limoncelli & Christina J. Hogan & Strata R. Chalup
The Practice of System Administration (1)