Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators
Course Code: RHV8RHV7
Duration: 2 days
Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators Course Overview
This is a fast paced instructor led Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators training course. It is designed to give the delegates practical experience in the administration of a Red Hat Enterprise Linux 8 (RHEL8) system. With a strong emphasis on practical hands on training, this course will teach administrative tasks required to successfully administer a Red Hat Linux 8 system.
The course assumes that the delegate will have a good knowledge of all the topics covered in the Administering Red Hat Linux 7 - Part 1, Administering Red Hat Linux 7 - Part 2 and Administering Red Hat Linux 7 - Part 3 courses for RHEL7.
Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.
Course Objectives
On completion of the Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators course the delegate will have gained practical experience of the major differences between RHEL7 and RHEL8.
Who will the Course Benefit?
This Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators course is suitable for anyone who has already acquired administration skills for RHEL7.
Skills Gained
Skills Gained
The delegate will learn and acquire skills as follows:
- Awareness of the major differences between Red Hat Enterprise Linux 7 and Red Hat Enterprise Linux 8
- Create system images using Composer
- Use DNF for Package and Software Management
- Deploy Containers using Red Hat's new tools Podman and Buildah(these replace Docker)
- Perform Volume and filesystem management using Stratis
- Virtual Data Optimser (VDO)
- Configure Identity Management using authselect and PAM modules
- Use Cockpit for Volume Management
- Configure firewall rules using the new NFT command
- An overview of Ansible
Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators Training Course
Course Introduction
- Administration and Course Materials
- Course Structure and Agenda
- Delegate and Trainer Introductions
Session 1: UPGRADE CONSIDERATIONS
- Which types of systems can be upgraded
- Implications of Upgrading
- Overview of new features
- Deprecated and Removed software
Session 2: CREATING SYSTEM IMAGES USING COMPOSER
- What is Composer
- Creating images
- Using Composer within Cockpit
- Exercise
Session 3: USING DNF FOR PACKAGE AND SOFTWARE MANAGEMENT
- Introduction to DNF
- DNF and yum4
- Advantages of DNF
- Configuring Repositories for DNF
- DNF command syntax
- Exercise
Session 4: USING COCKPIT FOR VOLUME MANAGEMENT
- Introduction to Cockpit the WEB based GUI
- Facilities provided by Cockpit
- How Cockpit is used for Volume Management
- Exercise
Session 5: PERFORMING VOLUME AND FILESYSTEM MANAGEMENT USING STRATIS
- Introduction to Stratis layered Storage
- When to use Stratis
- Creating Pools
- Creating filesystems
- Listing Stratis Volumes and filesystems
- Updating /etc/fstab
- Extending Stratis pools
- Exercise
Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators Training Course
Session 6: INTRODUCTION TO VIRTUAL DATA OPTIMISER
- Overview
- VDO utilities
- Creating the VDO volume
- Increasing Logical Volume Size
- Increasing Physical Volume size
- Exercise
Session 7: CONFIGURE IDENTITY MANAGEMENT USING AUTHSELECT AND PAM MODULES
- What is authselect used for?
- Selecting an authselect profile
- PAM Modules
- PAM Configuration File
- system_auth file
- Modifying a ready made authselect profile
- Exercise
Session 8: DEPLOY CONTAINERS USING THE NEW PODMAN AND BUILDAH
- What is a Linux Container
- What are the advantages of Containers
- Why is Red Hat's Buildah and Podman replacing Docker
- Building a Container using Buildah
- Running Containers with Podman
- Exercise
Session 9: CONFIGURE FIREWALL RULES USING NFT COMMAND
- Introduction to nftables
- When to use nftables, iptables or firewalld
- Converting iptable rules to nftable rules
- Writing and executing nftable rules
- Writing nftable scripts
- Automatically loading nftable rules at boot time
- Exercise
Session 10: AN OVERVIEW OF ANSIBLE
- Introduction to Ansible
- Ansible terminology
Addendum: Reference Materials (provided within the course handbook for additional reading)
APPENDIX A - SYSTEMD SOCKETS
- systemd sockets
- Using systemd units
APPENDIX B - DEPLOYING ANSIBLE
- Installing Ansible
- Running Ansible
- Ansible Configuration
- Ansible Client Configuration
- Course technical content is subject to change without notice.
- Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.
Requirements
This is a fast paced course, a good knowledge of the Red Hat Linux operating system to the level covered in the pre-requisite RHEL7 courses listed is essential.
Pre-Requisite Courses
Follow-On Courses
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StayAhead Training Limited are not affiliated to Red Hat Inc. in any way. Red Hat, Red Hat Certified Engineer, RHCE, are registered trademarks and Red Hat Certified System Administrator and RHCSA are trademarks of Red Hat Inc. No exams are included in the Red Hat Linux courses.