Description

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

   1. Login and Discovery
   2. 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

   1. Navigating Directories and Listing Files
   2. 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

   1. 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

   1. Text Editing with Nano
   2. 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

   1. User and Group Administration
   2. 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

   1. 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

   1. Job Control Basics
   2. 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

   1. Managing Services With Systemd's systemctl
   2. 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

   1. Introduction to ssh and scp
   2. SSH Key-based User Authentication
   3. 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

    1. Using the systemd Journal
    2. Setting up a Full Debug Logfile
    3. 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

    1. Network Discovery
    2. Basic Client Networking
    3. Introduction to Troubleshooting Labs
    4. 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

    1. Archiving and Compression
    2. 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

    1. Managing Software with RPM
    2. Querying the RPM Database
    3. 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

    1. 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

    1. Installing a Virtual Machine
16. COMPREHENSIVE REVIEW
    1. System Administration I

    LAB TASKS

    1. Understand And Use Essential Tools
    2. Operate Running Systems
    3. Users, Groups, and File Permission

Prerequisites

Students must be proficient in general computing skills but not necessarily experienced with Linux or Unix.

Audience Profile

The primary persona is a technical professional with current or pending responsibilities as a Linux enterprise or cloud system administrator.