Overview
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.
Requirements
- Previous operating system administration experience is helpful but not required
Course Outline
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