Linux Server Hacks, Volume Two: Tips & Tools for Connecting, Monitoring, and Troubleshooting

Linux for Embedded and Real-time Applications

Unix in 24 Hours, Sams Teach Yourself: Covers OS X, Linux, and Solaris

Automating Linux and Unix System Administration (Expert's Voice in Linux)

By Novell - SUSE Linux Enterprise Server Administration (Course 3112): CLA, L (2nd Edition) (2011-07-13) [Paperback]

Unix And Linux System Administration Handbook: Mastering Networking, Security, Cloud, Performance, And Devops

Red Hat Enterprise Linux (RHEL) 7 Server Installation and Administration: Training Manual: Covering CentOS-7 Server, Cloud computing, Bind9 DNS Server and Fedora 23 Server

Linux Server Security: Hack and Defend

Linux Administration: A Beginner’s Guide, Seventh Edition

Linux Recipes for Oracle DBAs (Expert's Voice in Oracle)