Linux System Administration

• Previous operating system administration experience is helpful but not required

This Linux System Administration training course is designed for IT professionals who wish to learn core Linux System Administration skills.

Using a combination of demonstrations and practical exercises, this course will guide participants through the relevant commands, tools and processes needed to become a successful administrator of a professional Linux environment.

Participants will learn how to

• Setup, maintain and troubleshoot a Linux system
• Manage users on a Linux system
• Set up and install server software (web server, ftp server, vnc server, etc.)
• Deploy and monitor a production system
• Implement basic system security

Audience

• IT professionals on the path to becoming a Linux system administrator or network administrators
• Beginners who want to learn how to manage a Linux system.

Format of the Course

• Interactive lecture and discussion
• Lots of exercises and practice
• Hands-on implementation in a live-lab environment

Course Customization Options

• Linux is available in different flavours (Debian/Ubuntu, CentOS/Fedora/Red Hat, Suse, etc.).
• This training can be customized for any flavor. Please contact us to arrange.

Introduction

• Linux system architecture
• Distributions
• Executing commands from the command line

Connecting to a Network

• Making remote connections using 'ssh'
• Downloading files
• Transferring files using 'scp'

Working with Files and Directories

• The structure of the file system
• Creating and deleting files and directories
• Copying, moving and renaming files and directories
• Viewing file content
• Searching for files
• Packing and unpacking files

Editing files

• 'nano' editor
• vim editor
• Editing from the command line with the 'sed' editor

Setting Permissions

• The concept of rights and ownership
• Viewing and verifying permissions
• Absolute and symbolic notation
• Changing permissions with 'chmod'
• Changing ownership with 'chown'
• Default values ​​of 'umask'

Managing Users

• Creating, changing and deleting user accounts
• Security and password policy
• Groups
• User privileges

Managing Processes

• Searching for processes
• Process states

Managing Software

• Default and custom repositories
• Package management ('apt', 'yum', etc.)

Deploying a Server

• Web server
• FTP server
• VNC server
• SSH authentication

Setting up a Desktop Environment

• Gnome and KDE
• Lightweight desktops

Advanced Command Line

• 'bash' shell
• Shell expansion
• Variables
• Stream redirection
• Initialization files

Restarting the System

• Controlling the startup process
• The GRUB boot loader
• System kernel
• Runlevels
• Service configuration files
• Stopping and restarting services

System Maintenance

• Resource monitoring (CPU, memory, disk, etc.)
• Task management
• System logs
• Tuning and maintaining the Kernel
• Managing kernel modules

Shell Scripting

• Basics of programming in the 'bash' shell
• Variables
• Tests
• Functions
• The exit status of the script

Troubleshooting

• Applying a systematic approach to diagnosing and correcting system failures
• Networking tools
• System