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Red Hat Linux 8 for Experienced Red Hat Linux 7 Administrators

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.

Targeted to closely follow the official Red Hat certification curriculum, this course along with existing knowledge will enable the delegate to work towards achieving the Red Hat Certified System Administrator (RHCSA) and/or Red Hat Certified Engineer (RHCE) certification.

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.

Skills Gained

The delegate will have knowledge in all, and practise in some, of the following:

  • 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
  • Use Cockpit for Volume Management
  • Configure firewall rules using the new NFT command
  • Overview of how to use Ansible

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.

Select specific date to see price, venue and full details.

Learning 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.

Pre-Requisites

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

Administering Red Hat Linux 7 - Part 1
Administering Red Hat Linux 7 - Part 2
Administering Red Hat Linux 7 - Part 3

Course Content

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

DAY 2 

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

  • What is authselect used for?
  • Selecting an authselect profile
  • Modifying existing profiles
  • Creating your own profiles
  • 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
  • Automatically loading nftable rules at boot time
  • Exercise

Session 10: AN OVERVIEW OF ANSIBLE

  • What is Ansible
  • Overview of Ansible Tower

Addendum: Reference Materials (provided within the course handbook for additional reading)

APPENDIX A - SYSTEMD SOCKETS

  • xinetd vs systemd sockets
  • Using systemd units

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