Red Hat System Administration I (RHEL9)

• System administrators, platform engineers, developers, and other IT professionals who have limited Red Hat Enterprise Linux experience but need to perform essential Linux administration tasks on a single server.

As a result of attending this course, students should be able to perform essential Linux system administration tasks, including installation, establishing network connectivity, managing physical storage, and basic security administration as listed below:

• Introduce Linux and the Red Hat Enterprise Linux ecosystem.
• Run commands and view shell environments.
• Manage, organize, and secure files.
• Manage users, groups, and user security policies.
• Control and monitor systemd services.
• Configure remote access by using the web console and SSH.
• Configure network interfaces and settings.
• Manage software by using DNF.

Introduction to Red Hat Enterprise Linux

• Define and explain the following concepts: open source, Linux, Linux distributions, and Red Hat Enterprise Linux.

Accessing the Command Line

• Log in to a Linux system and run simple commands by using the shell.

Getting Help from Local Documentation

• Resolve problems by using information in local help systems and documentation.

Registering Systems for Red Hat Support

• Register a system by using your Red Hat account to get support services and software that Red Hat provides.

Getting AI-assisted Help with RHEL Lightspeed

• Get AI-driven guidance and suggestions to efficiently manage a RHEL server by using Red Hat Enterprise Linux Lightspeed.

Navigating the File-system Hierarchy

• Describe the organization of files in the Linux file-system hierarchy and specify files by name, by using relative paths or absolute paths.

Managing Files from the Command Line

• Copy, move, create, delete, and organize files from the command line.

Editing Text Files

• Create, view, and edit text files from the command line.

Redirecting Shell Input and Output

• Redirect the output of commands and input to commands, by using Bash.

Managing Local Users and Groups

• Obtain superuser access to a system; create, manage, and delete local users and groups; and administer local password policies.

Controlling Access to Files

• Set standard permissions on files and interpret the security effects of different permission settings.

Installing and Updating Software with RPM

• Download, install, update, and manage software packages from Red Hat and DNF package repositories.

Installing and Updating Applications by Using Flatpak

• Install, upgrade, and use desktop software from the Red Hat Ecosystem Catalog by using Flatpak.

Accessing Removable Media

• Access file systems on removable media devices by mounting them on a directory in the file-system hierarchy.

Monitoring and Managing Linux Processes

• Investigate, control, and terminate processes that run on a Red Hat Enterprise Linux system.

Controlling Services and Daemons

• Control and monitor the system services and daemons that systemd starts.

Introduction to Networking

• Describe basic TCP/IP networking concepts and investigate the current network configuration and functionality on a server.

Managing Network Configuration

• Configure network interfaces and settings on Red Hat Enterprise Linux servers.

Configuring and Securing SSH

• Protect SSH communication by managing host keys and by implementing key-based authentication for users.

Comprehensive Review

• Practice skills learned in Red Hat System Administration I.
  

• Basic familiarity with computer systems as a user.
• Previous experience as a Linux user or with system administration of other operating systems might be beneficial. 

• Red Hat System Administration II (RH134)
• RHCSA Rapid Track course (RH199) - contains subsets of RH124 and RH134

• RH135 - Red HatSystem Administration II with RHCSA (EX200) exam (RHEL9)

Official course book provided to participants.