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L-124 - Red Hat Enterprise Linux Systems Admin I

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Duration: 5 Days

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Course Information

Course Description

Course Objectives

Course Audience

Course Outline

  • 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. got root?
    8. Switching User Contexts
    9. sudo
    Lab Tasks
    1. Login and Discovery
    2. Switching Users With su
  • 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
  • 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
    Lab Tasks
    1. Help with Commands
  • 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
  • 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
  • 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
  • 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. Viewing Processes
    9. Managing Processes
    10. Tuning Process Scheduling
    Lab Tasks
    1. Process Management Basics
  • Control services and daemons
    1. init
    2. System Init Styles Overview
    3. Linux Runlevels Aliases
    4. systemd System and Service Manager
    5. systemd Targets
    6. Using systemd
    7. Legacy Support for SysV init
    Lab Tasks
    1. Managing Services With Systemd's systemctl
  • Configure and secure OpenSSH service
    1. Secure Shell
    2. ssh and sshd 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
  • Analyzing and Storing Logs
    1. System Logging
    2. Systemd Journal
    3. gnome-system-log
    4. Rsyslog
    5. /etc/rsyslog.conf
    6. Log Management
    7. Log Anomaly Detector
    Lab Tasks
    1. Using the Systemd Journal
    2. Setting up a Full Debug Logfile
    3. Remote Syslog Configuration
  • Manage Red Hat Enterprise Linux networking
    1. IPv4 Fundamentals
    2. TCP/UDP Fundamentals
    3. Linux Network Interfaces
    4. Ethernet Hardware Tools
    5. Network Configuration with ip Command
    6. Starting and Stopping Interfaces
    7. Configuring Routing Tables
    8. IP to MAC Address Mapping with ARP
    9. DNS Clients
    10. DHCP Clients
    11. Network Diagnostics
    12. NetworkManager
    Lab Tasks
    1. Network Discovery
    2. Basic Client Networking
    3. Introduction to Troubleshooting Labs
    4. Troubleshooting Practice: Networking
  • 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
  • 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 command
    9. YUM package groups
    10. Updating the Kernel RPM
    11. Dealing With RPM & YUM Digest Changes
    12. YUM Repositories
    13. YUM Repository Groups
    14. Yum Plugins & RHN Subscription Manager
    Lab Tasks
    1. Managing Software with RPM
    2. Querying the RPM Database
    3. Using Yum
  • 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
  • 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. libguestfs and guestfish
    Lab Tasks
    1. Installing a Virtual Machine
  • Comprehensive review
    1. System Administration I

Course Prerequisites

​This course is designed to follow an identical set of topics as the Red Hat® RH124 course with the added benefit of very comprehensive lab exercises and detailed lecture material. The Red Hat Enterprise Linux (RHEL) system administration topics covered in this course along with the GL134 course cover the certification objects of the Red Hat Certified System Administrator (RHCSA) exam. The topics covered include essential command line tools, installing RHEL, remote administration techniques, managing local storage, system monitoring, basic user and security, administration, connecting to a network and deploying FTP and Web servers.

Course Schedule
This course is not scheduled yet.