Intelligentedu Best New Free Computer IT Training Tutorial Resources

Here is the free 'FTLinuxCourse' Linux System Administrator course, which covers many of the things a Linux System Administrator needs to know. The system administrator's role is to keep the Linux system up and running and to take all the necessary measures to prevent system problems and crashes. These measures, may be automatic, or manual. This course will teach you topics needed to be understood and used by the system administrator, such as shell programming using bash (the Bourne Again Shell) and other simple programming techniques such as sed, awk, Expect, and Tcl/Tk. This course all teaches you user administration, time services, boot services, compiling the Linux kernel, kernel modules, building packages, and burning your own Linux CD.

Update 10/23/2006: This course has been updated and is now found here:
Linux System Administration Course


Table of Contents

Preface: The Project

Introduction to SysAdm

Goals for SysAdm course

Chapter S1. The System Administrator's Tasks

• What is a System Administrator?
• The goals of a System Administrator
• Mixing roles
• Exercises
• Test
• Internet resources about this chapter

Chapter S2. Users and their Priorities

• Adding users to the system
• The file: "/etc/passwd"
• The file "/etc/profile"
• The file .bashrc
• Using the Shell
• Running your application
• The Jolly commands
• The range commands
• Sending Control sequences
• Command redirection
• The "<" and ">" operators
• The ">>" operator
• The "<<" operator
• Monitoring the users on the system
• Changing users priority in daily workload with "nice"
• Exercises
• Test
• Internet resources about this chapter

Chapter S3. Time services

• An Introduction to Linux cron jobs
• The "date" command
• The TimeZone (TZ)
• The program calendar "cal"
• The command "at"
• The command "cron"
• The Automatic Backup
• The command "sleep"
• Exercises
• Test
• Internet resources about this chapter

Chapter S4. A Course in Shell Programming

• The Bourne Again Shell (bash) as a programming tool
• Internal Shell commands
• Reserved words
• Expressions in Shell Programming
• The echo command
• The set command
• Using "set -x"
• Shell variable modifiers
• The read command
• Control Structures in bash
• The conditional if-then-else statement
• The case statement
• The for statement
• The while statement
• The getopts program
• Some first examples on Shell Programming
• Interacting with Enviroment Variables
• Some Linux Enviroment Variables
• Some examples with enviroment variables
• Sed: The Strem Editor
• AWK: The Aho-Weinberger-Kerningham tool
• How to parametrize a script
• Others command Shells
• The command "test"
• The "which" command
• The command "xargs"
• The command "tput"
• The command "type"
• Exercises
• Test
• Internet resources about this chapter

Chapter S5. An Introduction to the Expect language

• The Tcl command language
• Control structures in Tcl
• Lists in Tcl
• Arrays in Tcl
• Other important Tcl functions
• The string and append functions
• The regexp and regsub command
• The split commands
• Interactive Tcl with the Linux Enviroment
• Working with Files
• The format command
• The scan command
• Some examples in Tcl
• Mixing Tcl and C
• What is Expected language?
• Motivation
• Expect Commands
• The spawn command
• The expect command
• The interact command
• Expect Applications
• The mkpasswd program
• The passmass program
• The kibitz program
• The Graphic Interface to Commands: ExpectTk
• The 'dejagnu' project
• Conclusions
• Exercises
• Test
• Internet resources about this chapter

Chapter S6. The boot service: "init" and rc files

• The Linux Boot process
• The init program
• The inittab file
• The inittab syntax
• The telinit program
• The LILO
• Installing Multiples Linux distro
• The GRUB
• Comparing LILO and GRUB
• The SysV daemons services
• The "kill" and "killall" commands
• Adding a Linux service "myservices"
• Exercises
• Test
• Internet resources about this chapter

Chapter S7. The Linux Kernel

The structure of a Linux Kernel

The Kernel modules

A look on the Linux hierarchy

Memory management under Linux

Exercises

Test

Internet resources about this chapter

Chapter S8. Compiling the Kernel

• Downloading the Linux kernel
• The kernel patch
• Patching the kernel
• Configuring the kernel
• Compiling Linux
• The 'default' kernel configuration
• The 'concept' of kernel build completed
• The boot and initrd floppies
• The /proc directory
• Exercises
• Test
• Internet resources about this chapter

Chapter S9. The Development of Kernel Modules

• An Introduction to Kernel Internals
• What is a Kernel module ?
• Kernel dependence
• Why write a module ?
• The possible types for drivers
• A source model for a kernel driver
• Exercises
• Test
• Internet resources about this chapter

Chapter S10. Create your Linux CD

• Introduction
• Build your packages
• Create a bootdisk
• Create genhdlist
• Burn your Linux CD
• Exercises
• Test
• Internet resources about this chapter

Epilogue to Fast Training Linux Course Complete!

Appendix SC. Control Sequences and ASCII code

Appendix SE. Expect Command

Appendix SL. How to write a Linux System Administration Tool

Appendix SP. Answer to all exercises

Appendix SR. Bash Reserved Words with examples

Appendix SS. Shell Parameters

Bibliography

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