This course will concentrate on Red Hat Enterprise Linux  (RHEL), version 8 (all update levels).

This course is the equivalent of Red Hat course 199, to prepare for the RHCSA 8 examination.

Objectives

The Red Hat Enterprise Linux 8 : System Administration - Rapid Track with Exam Preparation  course is designed for clients who operate and manage Linux server systems. 

This course prepares participants for the Red Hat Certified System Administrator ( RHCSA 8 ) certification exam.

Prerequisites

This course is a concentrated preparation for the RHCSA 8 examination and for knowledge acquisition of systems administration in RHEL 8. Participants are assumed to be  (Red Hat Enterprise) Linux (7 or 8) or             Windows system administrators or operations support staff, and have used and demonstrated competencies in Linux fundamentals and entry-level administrative functions.

Duration

Five days

 

 

Outline for RHCSA 8 Rapid Track Training

Chapter 1. Accessing Systems and Get Help

  • graphical login
  • non-graphical login
  • Unix / Linux standards
  • BASH command line format
  • alias (defining and using)
  • RHEL 8 help information
  • RHEL 8 package information
  • using the root account

Chapter 2. Navigate File Systems

  • system directories hierarchy
  • file manipulation commands
  • file characteristics information
  • defining and using hard links
  • defining and using symbolic links
  • standard input, output, error, and pipelines
  • vim editor
  • tar, gzip, gunzip utilities
  • remote file operations - ssh
  • regular expressions

Chapter 3. Control Access to Files

  • protecting files (chmod, umask)
  • special file attributes (SUID, SGID, STICKY)
  • special directory attributes (SGID, STICKY)
  • Access Control Lists  (ACLs)                 

Chapter 4. Schedule Future Tasks

  • submitting a batch job with at
  • submitting a batch job with crontab
  • crontab file entry layout
  • uses of crontab  entries
  • system level periodic processing via crond
  • periodic processing via a systemd timer

Chapter 5. Install and Update Software Packages

  • managing RHEL 8 software packages
  • rpm command usage
  • dnf / yum command usage
  • legacy (non-streamed) package repository setup
  • streamed (AppStream)package repository setup
  • Apache web server configuration

Chapter 6. Controlling Services and the Boot Process

  • RHEL 8 system initialization sequence
  • Grand Unified Boot Loader (GRUB 2)
  • Grand Unified Boot Loader (GRUB 2) - components
  • Grand Unified Boot Loader (GRUB 2) - variables
  • Grand Unified Boot Loader (GRUB 2) - menuentries
  • RHEL 8 single user mode
  • RHEL 8 reset forgotten root password
  • kernel boot parameters
  • shutdown
  • systemd target files
  • systemd services
  • systemd actions
  • system logging
  • startup boot logging
  • systemd journal logging

Chapter 7. Manage Local Users and Groups

  • user account management
  • /etc/passwd file
  • /etc/group file
  • user account creation 
  • password aging
  • account deletion
  • RHEL 8 user process characteristics
  • viewing kernel information (about processes)
  • controlling process execution
  • adjusting process priority
  • process monitoring tools

Chapter 8. Manage Basic Storage

  • disk device and partition operations
  • disk device information
  • MBR partition table concepts
  • GPT partition table concepts
  • MBR partition operations
  • GPT partition operations
  • file system operations
  • ext4 filesystem
  • xfs filesystem
  • unmounting filesystems
  • swapping and paging spaces

Chapter 9. Implement Advanced Storage Features

  • logical volume management concepts
  • logical volume management utilities
  • using the logical volume manager
  • physical volumes
  • volume groups
  • logical volumes
  • using logical volumes as swap space
  • Stratis volume management concepts
  • using Stratis as a volume managing filesystem
  • Stratis volume management commands
  • using Stratis
  • VDO (volume disk optimizer concepts)
  • using VDO as a volume-manager
  • VDO volume management commands
  • using VDO with filesystems
  • using VDO with LVM

Chapter 10. Manage Networking

  • network configuration
  • host configuration
  • gateway configuration
  • maintaining system time via an ntp server
  • maintaining system time via chrony

Chapter 11. Manage Network Security

  • remote host access via ssh
  • firewalld components
  • firewall interface - firewall-cmd
  • firewall interface - cockpit

Chapter 12. Access Network-Attached Storage

  • Network File System concepts
  • setting up the Network File System
  • starting up the Network File System
  • using the Network File System

Chapter 13. Manage SELinux Security

  • SELinux concepts
  • SELinux files and utilities
  • SELinux files and utilities - labels
  • SELinux event diagnostics
  • SELinux files and utilities - booleans

Chapter 14. Tune System Performance

  • overview of performance management
  • tuned components
  • tuned operations
  • tuned operations - cockpit

Chapter 15. Running Containers

  • download an existing container
  • start, run and stop a container using podman
  • run a service inside a container
  • attach persistent storage to a container

RHCSA 8 published exam objectives

Comprehensive review - practice test