Red Hat Enterprise Linux 9
Learn Red Hat Enterprise Linux 9 as you manage systems, configure networking, secure services, and troubleshoot hosts.
Choose your first lab
Meet The CLI · Meet Red Hat Enterprise Linux
- Labs ready
- 9
- In progress
- 0
- Objectives
- 0/49
9 labs ready
Course foundation
RHEL 9 administration foundations
Follow an 18-domain progression from shell access and file management to storage, services, security, networking, and containers. The opening activities build command-line confidence; later domains extend that foundation into complete host administration and troubleshooting.
- Platform
- RHEL 9
- Course outline
- 18 domains
- Preview activities
- 9 activities
- Starting point
- Shell basics
How to study with the official manuals
Use the official RHEL 9 manuals as a companion to each domain: read the relevant procedure, practise the change, and verify the resulting state. On a RHEL host, consult installed manual pages such as man nmcli and man systemctl for command options. Begin with the basic system settings manual, then use the networking, storage, security, and container guides as those topics appear in the outline.
Curriculum
Open a stage to inspect its lessons and labs.
Stage 1
Meet The CLI
Get comfortable with the RHEL 9 shell, files, privileges, and your first NetworkManager connection.
Stage 2
Access Systems
Access local and remote systems and work safely with shell sessions.
Coming soon. Access local and remote systems and work safely with shell sessions.
- Local consoles and remote SSH sessions
- Shell environments, command help, and privilege escalation
Stage 3
Manage Files from the Command Line
Create, organize, search, and archive files from the shell.
Coming soon. Create, organize, search, and archive files from the shell.
- Paths, directories, file operations, and links
- Text processing, redirection, searches, and archives
Stage 4
Manage Local Users and Groups
Manage local identities and their account settings.
Coming soon. Manage local identities and their account settings.
- User and group creation, membership, and removal
- Passwords, account aging, and administrative privileges
Stage 5
Control Access to Files
Apply ownership and permissions to individual and shared files.
Coming soon. Apply ownership and permissions to individual and shared files.
- Ownership, standard permissions, and default permissions
- Special permissions and access control lists
Stage 6
Manage SELinux Security
Inspect and manage SELinux access decisions.
Coming soon. Inspect and manage SELinux access decisions.
- Enforcement modes, labels, and persistent file contexts
- Booleans and denial troubleshooting
Stage 7
Tune System Performance
Inspect resource use and adjust host performance settings.
Coming soon. Inspect resource use and adjust host performance settings.
- Processes, resource use, and process priorities
- Performance profiles and resource troubleshooting
Stage 8
Schedule Future Tasks
Schedule one-time and recurring system work.
Coming soon. Schedule one-time and recurring system work.
- One-time jobs and recurring cron tasks
- Scheduled systemd jobs and execution verification
Stage 9
Install and Update Software Packages
Install and maintain software with RHEL package tools.
Coming soon. Install and maintain software with RHEL package tools.
- RPM packages and DNF repositories
- Installation, updates, removal, and transaction history
Stage 10
Manage Basic Storage
Prepare disks and persistently mount file systems.
Coming soon. Prepare disks and persistently mount file systems.
- Block devices, partitions, and swap
- XFS and ext4 file systems, mounts, and /etc/fstab
Stage 11
Manage Storage Stack
Build and maintain logical storage layers.
Coming soon. Build and maintain logical storage layers.
- LVM physical volumes, volume groups, and logical volumes
- Extend logical volumes and their file systems
Stage 12
Control Services and Boot Process
Manage service lifecycle and system startup.
Coming soon. Manage service lifecycle and system startup.
- systemd service state and persistent enablement
- Boot targets, boot configuration, and recovery
Stage 13
Analyze and Store Logs
Find, interpret, and retain system logs.
Coming soon. Find, interpret, and retain system logs.
- Journal queries and persistent journal storage
- System log files, rsyslog, and log rotation
Stage 14
Manage Networking
Configure persistent connections and diagnose host connectivity.
Coming soon. Configure persistent connections and diagnose host connectivity.
- NetworkManager profiles, IPv4, IPv6, and DNS
- Routes, gateways, neighbor tables, and connectivity checks
Stage 15
Access Network-Attached Storage
Connect hosts to shared network storage.
Coming soon. Connect hosts to shared network storage.
- NFS client access and persistent mounts
- On-demand mounts with autofs and access troubleshooting
Stage 16
Manage Network Security
Control network access to hosts and services.
Coming soon. Control network access to hosts and services.
- firewalld zones, services, ports, and persistent policy
- Secure SSH access and verify service exposure
Stage 17
Run Containers
Operate containers with the RHEL 9 container toolchain.
Coming soon. Operate containers with the RHEL 9 container toolchain.
- Podman images, registries, and rootless containers
- Container ports, persistent volumes, logs, and lifecycle
Stage 18
Comprehensive Review
Combine the preceding domains in practical system administration scenarios.
Coming soon. Combine the preceding domains in practical system administration scenarios.
- Diagnose and repair interacting system, storage, and network faults
- Verify persistent configuration, security, and operational recovery
Course details and blueprint
What you will be able to do
- Navigate the shell, manage files, and work with users and permissions.
- Configure RHEL software, services, storage, and NetworkManager connections.
- Secure and automate host operations with SELinux, firewalld, scheduled tasks, and Podman.
Path notes
- Designed for
- Network engineers learning to administer and troubleshoot Red Hat Enterprise Linux 9 hosts.
- Recommended knowledge
- Basic IP addressing knowledge
- Availability
- Nine RHEL 9 command-line activities are available in preview. The remaining 17 domains are coming soon.
Blueprint and sources
RHEL 9 user-defined 18-domain course outline · Reviewed 2026-09-06