Red hat System Administration I (RH124)

Prerequisites for this course

Basic technical user skills with computer applications on some operating systems are expected.

1. Getting Started with Red Hat Enterprise Linux

• What is Linux?

• Quiz: Getting Started with Red Hat Enterprise Linux

• Summary

2, Accessing the Command Line

• Accessing the Command Line Using the Local Console

• Practice: Local Console Access Terms

• Accessing the Command Line Using the Desktop

• Practice: The GNOME 3 Desktop Environment

• Executing Commands Using the Bash Shell

• Practice: Bash Commands and Keyboard Shortcuts

• Lab: Accessing the Command Line

3, Managing Files From the Command Line

• The Linux File System Hierarchy

• Practice: File System Hierarchy

• Locating Files by Name

• Practice: Locating Files and Directories

• Managing Files Using Command-Line Tools

• Practice: Command-Line File Management

• Matching File Names Using Path Name Expansion

• Practice: Path Name Expansion

• Lab: Managing Files with Shell Expansion

4, Getting Help in Red Hat Enterprise Linux

• Reading Documentation Using man Command

• Practice: Using the man Command

• Reading Documentation Using pinfo Command

• Practice: Using the pinto Command

• Reading Documentation in /usr/share/doc

• Practice: Viewing Package Documentation

• Getting Help From Red Hat

• Practice: Creating and Viewing an SoS Report

• Lab: Viewing and Printing Help Documentation

5, Creating, Viewing, and Editing Text Files

• Redirecting Output to a File or Program

• Practice: 1/0 Redirection and Pipelines

• Editing Text Files from the Shell Prompt

• Practice: Editing Files with Vim

• Editing Text Files with a Graphical Editor

• Practice: Copying Text Between Windows

• Lab: Creating, Viewing, and Editing Text Files

6, Managing Local Linux Users and Groups

• Users and Groups

• Practice: User and Group Concepts

• Gaining Superuser Access

• Practice: Running Commands as root

• Managing Local User Accounts

• Practice: Creating Users Using Command-line Tools

• Managing Local Group Accounts

• Practice: Managing Groups Using Command-line Tools

• Managing User Passwords

• Practice: Managing User Password Aging

• Lab: Managing Local Linux Users and Groups

7, Controlling Access to Files with Linux File System Permissions

• Linux File System Permissions

• Practice: Interpreting File and Directory Permissions

• Managing File System Permissions from the Command Line

• Practice: Managing File Security from the Command Line

• Managing Default Permissions and File Access

• Practice: Controlling New File Permissions and Ownership

• Lab: Controlling Access to Files with Linux File System Permissions

8, Monitoring and Managing Linux Processes

• Processes

• Practice: Processes

• Controlling Jobs

• Practice: Background and Foreground Processes

• Killing Processes

• Practice: Killing Processes

• Monitoring Process Activity

• Practice: Monitoring Process Activity

• Lab: Monitoring and Managing Linux Processes

9, Controlling Services and Daemons

• Identifying Automatically Started System Processes

• Practice: Identify the Status of systemd Units

• Controlling System Services

• Practice: Using systemctl to Manage Services

• Lab: Controlling Services and Daemons

10, Configuring and Securing OpenSSH Service

• Accessing the Remote Command Line with SSH

• Practice: Accessing the Remote Command Line

• Configuring SSH Key-based Authentication

• Practice: Using SSH Key-based Authentication

• Customizing SSH Service Configuration

• Practice: Restricting SSH Logins

• Lab: Configuring and Securing OpenSSH Service

11, Analyzing and Storing Logs

• System Log Architecture

• Practice: System Logging Components

• Reviewing Sys log Files

• Practice: Finding Log Entries

• Reviewing systemd Journal Entries

• Practice: Finding Events With journalctl

• Preserving the systemd Journal

• Practice: Configure a Persistent systemd Journal

• Maintaining Accurate Time

• Practice: Adjusting System Time

• Lab: Analyzing and Storing Logs

12, Managing Red Hat Enterprise Linux Networking

• Networking Concepts

• Practice: Networking Concepts

• Validating Network Configuration

• Practice: Examining Network Configuration

• Configuring Networking with nmcli

• Practice: Configuring Networking with nmcli

• Editing Network Configuration Files

• Practice: Editing Network Configuration Files

• Configuring Host Names and Name Resolution

• Practice: Configuring Host Names and Name Resolution

• Lab: Managing Red Hat Enterprise Linux Networking

13, Archiving and Copying Files Between Systems

• Managing Compressed tar Archives

• Practice: Backing Up and Restoring Files From a tar Archive

• Copying Files Between Systems Securely

• Practice: Copying Files Over the Network With scp

• Synchronizing Files Between Systems Securely

• Practice: Synchronizing Two Directories Securely With rsync

• Lab: Archiving and Copying Files Between Systems

14, Installing and Updating Software Packages

• Attaching Systems to Subscriptions for Software Updates

• Practice: Red Hat Subscription Management

• RPM Software Packages and Yum

• Practice: RPM Software Packages

• Managing Software Updates with yum

• Practice: Installing and Updating Software with yum

• Enabling yum Software Repositories

• Practice: Enabling Software Repositories

• Examining RPM Package Files

• Practice: Working with RPM Package Files

• Lab: Installing and Updating Software Packages

15, Accessing Linux File Systems

• Identifying File Systems and Devices

• Practice: Identifying File Systems and Devices

• Mounting and Unmounting File Systems

• Practice: Mounting and Unmounting File Systems

• Making Links Between Files

• Practice: Making Links Between Files

• Locating Files on the System

• Practice: Locating Files on the System

• Lab: Accessing Linux File Systems

16, Analyzing Servers and Getting Support

• Analyzing and Managing Remote Servers

• Guided Exercise: Analyzing and Managing Remote Servers

• Getting Help From Red Hat Customer Portal

• Guided Exercise: Getting Help from Red Hat Customer Portal

• Detecting and Resolving Issues with Red Hat Insights

• Quiz: Detecting and Resolving Issues with Red Hat Insights

• Summary