LINUX: Rute User's Tutorial and Exposition
by Paul Sheer
Publisher: Prentice Hall PTR 2001
Number of pages: 660
The only comprehensive system administration reference that's portable across all Linux distributions. Presents in-depth, real-world coverage of every key aspect of system administration: user management, security, networking, Internet services, package management, C programming, kernel compilation, hardware configuration, and much more.
Download or read it online for free here:
by Mark Hymers - BLFS Development Team
The book Follows on the Linux From Scratch book, introduces the reader through system additions including networking, sound support, X support, printer and scanner support. Aimed at those who have previously built a system based on the LFS book.
by Bert Hubert, at al. - lartc.org
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 Oskar Andreasson - Linuxtopia
This document gives a good and simple primer at how to get started with iptables. The text requires some previous knowledge about Linux/Unix, shell scripting, as well as how to compile your own kernel, and some knowledge about the kernel internals.
by Kurt Seifried - Linuxtopia
The guide introduces computer security, Linux installation, physical and console security, administration, backup, file security, authentication, logging, attack detection, firewalling, network security, software management, encryption, viruses, etc.