Centos System Administration Essentials

Centos System Administr... by Mallett, Andrew Digital (delivered electronically)

Essential System Administration by Frisch, Æleen

Essential System Administration: Tools and Techniques for Linux and Unix Adm...

Essential System Administration: Tools a- 9780596003432, Æleen Frisch, paperback

Essential System Administration (Nutshell Handbooks) by 'leen Frisch

Essential System Administration Pocket Reference: Commands and File Formats

CentOS 8 Essentials: Learn to install, administer and deploy Cent - VERY GOOD