Linux Administrator’s Security Guide by Kurt Seifried is freely available online. There are numerous definitions for “computer security”, and most of them are correct. Essentially computer security means enforcement of usage policies, this must be done since people and software have flaws that can result in accidents, but also because someone may want to steal your information, use your resources inappropriately or simply deny you the use of your resources. …
Linux Quick Fix Notebook
Linux Quick Fix Notebook brings together all the step-by-step instructions, precise configuration commands, and real-world guidance you need. Peter Harrison addresses virtually every aspect of Linux administration, from software installation to security, user management to Internet services. …
Introduction to Linux
Free linux book by Brandon Chisham. This book is intended as a practical guide to the Linux operating system for those with a moderate amount of technical experience. …
Brian and Tom’s Linux Book
This free linux book, Brian and Tom’s Linux Book is divided into the following parts: Part 1 – Linux and Installation, Part II – The OpenLinux GUI, Part III – Basic Linux: Knowing the Command Line, Part IV – System Security, Part V – Working with Linux Servers and Part VI- Appendices. …
Agustin’s Linux Manuals
This free manual covers the following topics. Volume 1 – Installation and Internet, Volume 2 – System Administration, Volume 3 – Multimedia and Hardware Installation and Volume 4 – Networks and Servers. …
Bash Guide for Beginners
This guide discusses concepts useful in the daily life of the serious Bash user. While a basic knowledge of shell usage is required, it starts with a discussion of shell building blocks and common practices. Then it presents the grep, awk and sed tools that will later be used to create more interesting examples. The second half of the course is about shell constructs such as loops, conditional tests, functions and traps, and a number of ways to make interactive scripts. …
GNU Emacs Manual
This book picks up where the introductory on-line tutorial included with Emacs ends. It explains the full range of Emacs’ power and contains reference material useful to expert users. This free book can be downloaded in various formats. …
Self-Service Linux: Mastering the Art of Problem Determination
In Self-Service Linux, two of IBM’s leading Linux experts introduce a four-step methodology for identifying and resolving every type of Linux-related system or application problem: errors, crashes, hangs, performance slowdowns, unexpected behavior, and unexpected outputs. …
Slackware Linux Essentials
This is the official guide to Slackware Linux. This book is designed to get you started with the Slackware Linux operating system. It’s not meant to cover every single aspect of the distribution, but rather to show what it is capable of and give you a basic working knowledge of the system. …