The Linux System Administrator's Guide
by Lars Wirzenius, at al.
Number of pages: 130
The Linux System Administrator's Guide, describes the system administration aspects of using Linux. It is intended for people who know next to nothing about system administration (those saying "what is it?"), but who have already mastered at least the basics of normal usage.
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by Jamie Cameron - Prentice Hall
Written by the creator of Webmin, this book explains how to use the most popular Webmin modules to perform common administration tasks on a Linux system such as adding users, configuring Apache, setting up NFS file sharing and managing mail servers.
by Bert Hubert, at al.
This document hopes to enlighten you on how to do more with Linux 2.2/2.4 routing. You already run tools which allow you to do spectacular things. Commands like route and ifconfig are wrappers for the very powerful iproute2 infrastructure.
by Olaf Kirch, Terry Dawson - O'Reilly
This is a comprehensive reference for Linux network administration for both beginners and experienced network administrators. The book provides enough information to help you get your Linux network up and running and get you ready to learn more.
by Remo S. Boldrito, Josep J. Esteve - Eureca Media
The GNU/Linux systems have reached an important level of maturity, allowing to integrate them in any kind of work environment. You will learn how to install and configure several computer services, and how to optimize and synchronize the resources.