Udemy – Red Hat Training and Certification RHEL 9 RH124

Udemy – Red Hat Training and Certification RHEL 9 RH124
English | Tutorial | Size: 2.22 GB

It is designed for IT professionals to help them develop the foundational skills required for the RHCSA certification.

Disclaimer: This module is not authorized by Red Hat.

Red Hat System Administration I (RH124) is designed for IT professionals without previous Linux system administration experience. The course provides students with Linux administration competence by focusing on core administration tasks. This course also provides a foundation for students who plan to become full-time Linux system administrators by introducing key command-line concepts and enterprise-level tools.

Course Content:

Introduction

What’s New in RHEL 9

Step-by-step Installation Guide for RHEL 9

Step-by-step Overview of RHEL 9 Installation

How to Create a New Red Hat Login ID?

Download RHEL 9.2 ISO Image File

Create a RHEL9 template using Oracle VirtualBox

Installation of Red Hat Enterprise Linux 9

Install dependencies for VirtualBox Guest Additions

Install VirtualBox Guest Additions on RHEL for Enhanced Functionality

Troubleshooting

Access the Command Line

Introduction to the Bash Shell

Log in to a Local System

Log in to a Remote System

Log out from a Remote System

Access the Command Line with the Desktop

Introduction to the GNOME Desktop Environment

Parts of the GNOME Shell

Understand Workspaces

Start a Terminal

Lock the Screen and Log Out

Power off or Reboot the System

Execute Commands with the Bash Shell

Basic Command Syntax

Write Simple Commands

Tab Completion

Write Long Command on Multiple Lines

Manage Files from the Command Line

Linux File System Hierarchy Concepts

Practice Lab – Absolute & Relative Paths

Command-line File Management

Manage Links Between Files

Practice Lab – Hard Link

Practice Lab – Soft Link

Match File Name with Shell Expansions

Practice Lab – Tilde Expansion (~)

Practice Lab – Variable Expansion

Practice Lab – Command Substitution

Create, View, and Edit Text Files

Standard Input, Output and Error

Output Redirection Operators

Practice Lab – STDIN, STDOUT & STDERR

Practice Lab – Construct Pipelines

Practice Lab – tee command

Edit Files with Vim

Practice Lab – Vim Editor

Practice Lab – Visual Mode

Change the Shell Environment

Shell Variables

Practice Lab – Environment Variables

Practice Lab – Assign Values to Variables

Practice Lab – Configure Bash with Shell Variables

Practice Lab – Configure Bash with Shell Variables

Get Help in Linux

Read Manual Pages

Practice Lab – Get Help

Manage Local Users and Groups

Overview of User Account

Group Account

Primary and Secondary Group

Practice Lab Session – Manage Local User Accounts

Practice Lab Session – Manage Group Accounts

Shadow file

Superuser – root user

Switch user – su

Run command with sudo

Configure sudo

Control Access to Files – Permissions in Linux

Overview of Linux File-system Permissions

Symbolic & Numerical Notations in Linux

Understand Linux File-system Permissions with diagram

Practice Lab Session: Linux File-system Permissions

Practice Lab Session: Change Ownership

Change Permissions with Symbolic Method

Change Permissions with Octal Method

Special Permission – SetUID

Command to apply SetUID

Special Permissions – SetGID

Special Permissions – Sticky Bit

Monitor and Manage Linux Processes

Definition of a Process

Describe Process State

Practice Lab – top command

Practice Lab – Listing Processes

Control Jobs – Foreground & Background Processes

Practice Lab – Foreground & Background Processes

Process Control with Signals

Practice Lab – SIGTSTP, SIGSTOP, SIGCONT, SIGTERM, SIGKILL

Practice Lab – SIGINT, SIGHUB

Control Services and Daemons

Introduction to Systemd

Practice Lab – Systemd Service

Practice Lab – Restart, Reload, Mask Service

Practice Lab – Systemd Targets

Practice Lab – List Service Unit

Configure and Secure SSH

About Openssh

SSH Hot Keys

SSH Key Based Authentication

Practice Lab

Customize OpenSSH

Practice Lab – Prohibit Root User

Practice Lab – Prohibit Password-based Authentication

Practice Lab – Private key-based Logins

Analyzing & Storing Logs

System Logging

Log Events to the System

Practice Lab – Rsyslog Service

Practice Lab – Collecting Information Journalctl

Practice Lab – Journalctl Command

Log file rotation

Archiving and Transfer Files

Overview of tar archive utility

Practice Lab – Create an Archive

Practice Lab – Extract and List Archive Contents

Practice Lab – Gzip Compression

Practice Lab – bzip2 compression

Practice Lab – xz compression

Practice Lab – List Content of Compressed Archive

Managing Remote Server

Monitoring system using web console

Navigating web console – 1

Navigating web console – 2

Last Lecture

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