RHCSA 8 Rapid Track

Linux Training Overview

This course presents the working environment of a RHEL 8 system. It introduces commonly required operations that can be performed by entering commands interactively in a command terminal, along with functions available in the GNOME Desktop Environment . This course will concentrate on Red Hat Enterprise Linux (RHEL), version 8 (all update levels).

This course helps to prepare for the RHCSA 8 examination.

Linux Training Prerequisites

This course is a concentrated preparation for the RHCSA 8 examination.
Participants are assumed to be (Red Hat Enterprise) Linux system administrators working on production level configurations, and have used and demonstrated competencies in Linux fundamentals and entry-level administrative functions.

Linux Training Course duration

This course normally requires four (4) days, approximately 50% lecture and 50% lab time.

Linux Training Course Objectives

Each participant will be able to use RHEL 8 Bash Shell techniques and commands to maintain collections of files, create files using interactive editor utilities, create and execute basic command procedures, communicate with other users, and tailor the interactive environment to meet their needs. Major administrative features to setup and control a functioning RHEL 8 system will also be shown.

Linux Training Course outline

Access systems and get help
  • graphical login
  • non-graphical login
  • Unix / Linux standards
  • BASH environment
  • BASH command line format
  • aliases (defining and using)
  • RHEL 8 system messages
  • command line operations - remote host - ssh
  • RHEL 8 help information
  • BASH command help information
  • RHEL 8 package help information
  • RHEL 8 on-line documentation
  • Linux graphical help information
Navigate file systems
  • complete file specification
  • default parts of file specifications
  • directory specifications
  • file specification
  • file characteristics information
  • locating files and directories
  • basic file manipulation commands
  • more file manipulation commands
  • defining and using hard links
  • defining and using symbolic links
  • redirection of input, output, and error information
  • pipelines
  • tar
  • gzip and gunzip
  • remote file operations - wget utility
  • remote file operations - ssh utilities
  • rsync
Control access to files
  • special file attributes (SUID, SGID, STICKY)
  • special directory attributes (SGID, STICKY)
  • protecting files (chmod, umask)
  • Access Control Lists (ACLs)
Schedule future tasks
  • submitting a batch job with at
  • batch job logging 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
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
Control 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 reset forgotten root password
  • kernel boot parameters
  • shutdown
  • systemd target files
  • systemd services
  • systemd actions
  • systemd startup services
  • boot logging
  • systemd journal logging
Manage local users and groups
  • user account management
  • /etc/passwd file
  • /etc/group file
  • user account creation
  • environment files
  • password aging
  • account deletion
  • RHEL 8 administrator responsibilities
  • using the root account
  • controlling process execution
  • adjusting process priority
    • process monitoring tools
Manage basic storage
  • disk device and partition operations
  • disk device information
  • MBR partition table concepts
  • GPT partition table concepts
  • Red Hat Enterprise Linux 8 system (boot) disk
  • MBR partition operations
  • GPT partition operations
  • file system operations
  • Red Hat Enterprise Linux 8 ext* file system layout
  • ext4 filesystem
  • superblock backup areas
  • Red Hat Enterprise Linux 8 xfs file system layout
  • xfs filesystem
  • unmounting filesystems
  • swapping and paging spaces
  • encrypted filesystems
  • changes to /tmp
Implement advanced storage features
  • logical volume management concepts
  • logical volume management utilities
  • using the logical volume manager
  • physical volumes
  • volume groups
  • logical volumes
  • logical volume mirroring
  • logical volume backup
  • 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 management concepts
  • using VDO as for volume compression
  • Stratis volume management commands
  • using VDO
Manage networking
  • network configuration
  • host configuration
  • gateway configuration
  • maintaining system time via an ntp server
  • maintaining system time via chrony
  • time zone manipulation
Manage network security
  • service specific access control
  • firewalld components
  • firewall interface - firewall-cmd
  • firewall interface - cockpit
  • iptables firewall
Access network-attached storage
  • Network File System concepts
  • Network File System configuration
  • setting up the Network File System
  • starting up the Network File System
  • using the Network File System
  • Automounter - direct / indirect maps
Manage SELinux security
  • SELinux concepts
  • SELinux files and utilities
Tune system performance
  • overview of performance management
  • utilities for performance monitoring
  • changing system and kernel parameters
  • using tuned to define performance profiles
Analyze and store logs
  • system logging mechanism
  • kernel message logging
  • system logging configuration
  • remote system logging
  • logrotate
Comprehensive review - practice test

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