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Course Objectives

Course Outline

1. Access the command line

• 1. Components of a Distribution
• 2. Red Hat Linux Products
• 3. Logging In
• 4. Running Programs
• 5. Interacting with Command Line
• 6. Desktop Environments
• 7. GNOME
• 8. got root?
• 9. Switching User Contexts
• 10. sudo

Lab Tasks

• 11. Login and Discovery
• 12. Switching Users With su

2. Manage files from the command line

• 1. Managing Files Graphically
• 2. Drag and drop with Nautilus
• 3. Physical Unix File Structure
• 4. Unix/Linux Filesystem Features
• 5. Navigating the Filesystem
• 6. Displaying Directory Contents
• 7. Directory Manipulation
• 8. File Manipulation
• 9. Deleting and Creating Files
• 10. Filesystem Links

Lab Tasks

• 11. Navigating Directories and Listing Files
• 12. Manipulating Files and Directories

3. Get help in a textual environment

• 1. Gathering Login Session Info
• 2. Red Hat Online Documentation
• 3. Getting Help Within the Graphical Desktop
• 4. Gathering System Info
• 5. Help from Commands and Documentation
• 6. Getting Help with man & info
• 7. $MANPATH, whatis and apropos

Lab Tasks

• 8. Help with Commands

4. Create, view, and edit text files

• 1. The gedit Text Editor
• 2. Pico/GNU Nano
• 3. Pico/Nano Interface
• 4. Nano configuration
• 5. Pico/Nano Shortcuts
• 6. Communication Channels
• 7. File Redirection
• 8. Piping Commands Together
• 9. The Streaming Editor
• 10. Text Processing with Awk
• 11. Producing File Statistics
• 12. Replacing Text Characters
• 13. Text Sorting
• 14. Duplicate Removal Utility
• 15. Extracting Columns of Text
• 16. Combining Files and Merging Text
• 17. Comparing File Changes

Lab Tasks

• 18. Text Editing with Nano
• 19. Text Processing

5. Manage local Linux users and groups

• 1. User and Group Concepts
• 2. User Administration
• 3. Modifying Accounts
• 4. Group Administration
• 5. User Private Group Scheme
• 6. Password Aging

Lab Tasks

• 7. User and Group Administration
• 8. User Private Groups

6. Control access to files with Linux file system permissions

• 1. File Ownership
• 2. File and Directory Permissions
• 3. SUID and SGID on files
• 4. SGID and Sticky Bit on Directories
• 5. Changing File Permissions

Lab Tasks

• 6. File and Directory Ownership and Permissions

7. Monitor and manage Linux processes

• 1. What is a Process?
• 2. Process States
• 3. Viewing Processes
• 4. System Status ‐ CPU
• 5. System Status Memory
• 6. Signals
• 7. Tools to Send Signals
• 8. Managing Processes
• 9. Tuning Process Scheduling
• 10. Job Control Overview
• 11. Job Control Commands

Lab Tasks

• 12. Job Control Basics
• 13. Process Management Basics

8. Control services and daemons

• 1. init
• 2. Linux Runlevels Aliases
• 3. systemd System and Service Manager
• 4. systemd Targets
• 5. Using systemd
• 6. Legacy Support for SysV init

Lab Tasks

• 7. Managing Services With Systemd's systemctl
• 8. Creating a systemd unit file

9. Configure and secure OpenSSH service

• 1. Secure Shell
• 2. OpenSSH Client & Server Configuration
• 3. Accessing Remote Shells
• 4. Transferring Files
• 5. Alternative sftp Clients
• 6. SSH Key Management
• 7. ssh‐agent

Lab Tasks

• 8. Introduction to ssh and scp
• 9. SSH Key‐based User Authentication
• 10. Using ssh‐agent

10. Analyzing and Storing Logs

• 1. System Logging
• 2. systemd Journal
• 3. systemd Journal's journalctl
• 4. Secure Logging with Journal's Log Sealing
• 5. Cockpit ‐ Logs
• 6. Syslog‐ng
• 7. Rsyslog
• 8. /etc/rsyslog.conf
• 9. Log Management
• 10. Log Anomaly Detector
• 11. Hardware and System Clock
• 12. Time Synchronization with Chronyd

Lab Tasks

• 13. Using the systemd Journal
• 14. Setting up a Full Debug Logfile
• 15. Remote Syslog Configuration

11. Manage Red Hat Enterprise Linux networking

• 1. IPv4 Fundamentals
• 2. TCP/UDP Fundamentals
• 3. IPv6
• 4. Linux Network Interfaces
• 5. Ethernet Hardware Tools
• 6. Network Configuration with ip Command
• 7. Starting and Stopping Interfaces
• 8. Configuring Routing Tables
• 9. IP to MAC Address Mapping with ARP
• 10. DNS Clients
• 11. DHCP Clients
• 12. Continual Time Sync with NTP
• 13. Network Diagnostics
• 14. NetworkManager

Lab Tasks

• 15. Network Discovery
• 16. Basic Client Networking
• 17. Introduction to Troubleshooting Labs
• 18. Troubleshooting Practice: Networking

12. Archive and copy files between systems

• 1. Archives with tar
• 2. Archives with cpio
• 3. The gzip Compression Utility
• 4. The bzip2 Compression Utility
• 5. The XZ Compression Utility
• 6. The PKZIP Archiving/Compression format

Lab Tasks

• 7. Archiving and Compression
• 8. Using rsync and ssh for Backups

13. Install and update software packages

• 1. Managing Software
• 2. RPM Features
• 3. RPM Architecture
• 4. RPM Package Files
• 5. Working With RPMs
• 6. Querying and Verifying with RPM
• 7. Managing Software Dependencies
• 8. Using the Yum & DNF commands
• 9. Yum package groups
• 10. Updating the Kernel RPM
• 11. Dealing With RPM & Yum Digest Changes
• 12. DNF Repositories
• 13. DNF Repository Groups
• 14. DNF Plugins & RHSM Subscription Manager
• 15. DNF Version Lock Plugin

Lab Tasks

• 16. Managing Software with RPM
• 17. Querying the RPM Database
• 18. Using Yum

14. Access Linux file systems

• 1. Filesystem Creation
• 2. Mounting Filesystems
• 3. Mounting Filesystems
• 4. Filesystem Maintenance
• 5. Managing an XFS Filesystem
• 6. Persistent Block Devices
• 7. Filesystem Structures
• 8. Determining Disk Usage With df and du
• 9. Filesystem Table (/etc/fstab)

Lab Tasks

• 10. Creating and Managing Filesystems

15. Manage virtual machines

• 1. Introducing libvirt
• 2. libvirt: Basic Concepts
• 3. libvirt: Storage Architecture
• 4. libvirt: Network Architecture
• 5. libvirt: Graphical Tools
• 6. libvirt: Command Line Tools
• 7. virsh: Basics
• 8. virsh: Common Tasks
• 9. virt‐install
• 10. Virtual Machine Guest Tools & Drivers
• 11. libguestfs and guestfish

Lab Tasks

• 12. Installing a Virtual Machine

16. Comprehensive review

• 1. System Administration I

Lab Tasks

• 2. Understand And Use Essential Tools
• 3. Operate Running Systems
• 4. Users, Groups, and File Permissions

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