Operating System Concepts 8th Edition
Abraham Silberschatz & Peter B. Galvin & Greg Gagne
Operating System Concepts (2)
WildFly Configuration, Deployment, and Administration - Second ...
Christopher Ritchie
Puppet Best Practices
Chris Barbour
Bulletproof SSL and TLS: Understanding and Deploying SSL/TLS ...
Ivan Ristic
The UNIX Programming Environment
Brian Wilson Kernighan & Rob. Pike
TCP/IP Illustrated: Volume 3 TCP for Transactions, HTTP, NNTP, ...
W. Richard Stevens & Gary R. Wright
TCP/IP Ilustrated (3)
Red Hat Enterprise Linux 7 RH134 Red Hat System Administration ...
Red Hat Training
Red Hat System Administration (2)