Linux Redhat System Administration I – SA1 (RHEL8)

Prepare for first level of Linux Exam and gain sufficient skill to perform core system administration tasks

What you'll learn:

• About Linux Enterprise Linux 8
• Installation of Linux Linux 8
• Accessing the command line using the local console
• Manage Files From the Command Line
• Getting Help, Creating and Editing Text Files
• User Administration
• Controlling Access to Files
• Managing Linux Processes
• Configuring and Securing SSH Service
• Analyzing and Storing Logs
• Archiving & transferring files
• Managing Networking
• Accessing Linux File Systems
• Monitoring the system

Linux Certified System Administrator Exam (EX200 - 2.5 Hours Required), there are two course modules as shown below.

• Linux System Administration I - SA1 First Part ==> This Course Module will teach you this module.

• Linux System Administration II - SA2 Second Part

Linux Certified Engineer Exam (EX-294 - 4 Hours Required)

• Linux System Administration III: Linux Automation with Ansible

Course Description:

Linux System Administration I - SA1

Introduction

• Linux System Administration 1

• About Linux Certification

• Links to download RHEL, CentOS, VMWare Workstation or Oracle Virtual Box

• Create Linux OS 8 Template using VMWare Workstation

• Installation of Linux OS 8 using VMWare Workstation

• Installation of Linux OS 8 using Oracle Virtual Box

• Connect from putty

Accessing the Command Line

• Overview of Bash Shell

• Virtual and Physical Consoles

• GNOME3 Desktop Environment

• Practice Lab Session on Accessing Command Line

Manage Files From the Command Line

• About Linux File System Hierarchy Concepts

• Identifying Linux File types

• Absolute and relative paths

• Command Line File Management

• Soft Link And Hard Link In Linux

• Pattern Matching

• Tilde Expansion

• Brace Expansion

• Variable Expansion

• Practice Lab Session

Getting Help, Creating and Editing Text Files in Linux

• Reading Manual Pages

• GNU Info

• Input Output Redirection in Linux

• Channels (File Descriptors)

• Pipelines in Linux

• tee command

• Editing Text files from the shell prompt

• Insert Mode

• Command Mode

• Extended Command Mode

• Visual Mode

User Administration

• Overview of User Administration

• Describing user and Group Concepts

• Primary Groups and Supplementary Groups

• Types of User Account

• Overview of Shadow file

• Managing users passwords

• Overview of Sudoers file

• Syntax of sudoers file

• Various Practice Lab Session

Controlling Access to Files

• Overview of Linux File System Permissions

• Attributes of a file

• Managing File System Permissions from Command Line

• Special permissions like Setuid, Setgid & Sticky bit etc

• Practice Lab Session

Managing Linux Processes

• Overview of Load Average in Linux

• top command

• Lab Session on Load Average

• Process Management

• Foreground & Background Process

• Various Process Stats

• Practice Lab Session

About Linux OS 8

• Overview of Linux OS 8

• Features of Linux OS 8

• Controlling Services and Daemons

• Introduction to Systemd, Systemd units

• Lab on systemctl command and journal

Configuring and Securing SSH Service

• Introduction about OpenSSH

• SSH Hot Keys

• SSH Key Based Authentication

• Customizing OpenSSH Service Configuration

• Practice Lab Session

Analyzing and Storing Logs

• Describing System log Architecture

• System Logging

• Logging Events to the System

• Collecting Information using journalctl

• Log file rotation

• Practice Lab Session

Archiving & transferring files

• Archive a file using tar command

• tar operations

• tar compression options

• Transferring files between systems securely

• Practice Lab Session

Managing Networking

• Describing Network Concepts

• TCP/IP Network Model

• Configuring network

• Lab on add a network interface

• Lab on modify an interface

• Lab on delete an interface

Accessing Linux File Systems

• Identifying File Systems

• Block Devices

• Lab Session on File System, mount, unmount etc

• Locate Command

• Find Command

• Practice Lab Session

Monitoring the system

• Overview of web console to monitor and analyze the server

• Cockpit tool

• Navigating the server using web console

• Lab Session

• Last Lecture