Red Hat Enterprise Linux v8 Differences (GL281)
Course Duration
4 Days
Audience
Employees of federal, state and local governments; and businesses working with the government.
Prerequisites
Strong working knowledge of RHEL 7 system administration including package management, networking, storage, and security. Enterprise Linux Systems Administration (GL250) or equivalent hands-on experience required.
Course Description
Master the architectural changes and new tooling that distinguish RHEL 8 from its predecessor. This focused course takes experienced RHEL 7 administrators through every major subsystem, including software management, networking, storage, security, containers, clustering, and desktop, equipping them to plan and execute confident migrations to RHEL 8 environments. Coverage spans the transition from YUM to DNF, the shift from iptables to nftables, the Stratis storage framework, LUKS2 with Network-Bound Disk Encryption, OpenSCAP compliance scanning, rootless Podman containers, and Cockpit web administration. Like all Guru Labs courses, the material is designed to provide extensive hands-on experience.
Learning Objectives
- Manage software with DNF, Application Streams, and modular repositories
- Build custom system images using Image Builder and composer-cli
- Configure nftables firewall rules and transition from iptables-based firewalling
- Tune TCP congestion control algorithms and benchmark network performance with iperf3
- Create and manage Stratis storage pools, thin-provisioned filesystems, and snapshots
- Deploy LUKS2 encrypted volumes with Network-Bound Disk Encryption using Tang and Clevis
- Perform security compliance scanning with OpenSCAP and enforce system-wide cryptographic policies
- Implement application whitelisting with fapolicyd and USB device control with USBGuard
- Configure session recording with tlog and kernel-level auditing with auditd
- Build and manage rootless containers using Podman, Buildah, and Skopeo
- Administer systems through the Cockpit web console
Course Outline
- Software Management
- Networking
- Storage
- Security
- Container Technology Overview
- Clustering
- Virtualization
- Desktop
- Appendix: Pre-Installation Considerations
- Appendix: Installing
Frequently Asked Questions
What does the Red Hat Enterprise Linux v8 Differences (GL281) course cover?
The course walks experienced RHEL 7 administrators through every major subsystem changed in RHEL 8, including DNF and Application Streams software management, nftables networking, Stratis storage, LUKS2 with Network-Bound Disk Encryption, OpenSCAP compliance, rootless Podman containers, and Cockpit web administration. IT Dojo delivers it as live instructor-led training with hands-on labs across each subsystem.
How long is IT Dojo's Red Hat Enterprise Linux v8 Differences (GL281) training?
The course is 4 Days. It is available as live remote online instruction or on-site at your facility. All sessions are instructor-led with small class sizes to ensure individual attention.
Is this course available as live remote online training?
Yes. IT Dojo offers Red Hat Enterprise Linux v8 Differences (GL281) as live remote online training. A certified instructor leads the session in real time and students work hands-on in live lab environments. On-site delivery at your government facility or contractor location is also available.
What prerequisites are recommended before this course?
Strong working knowledge of RHEL 7 system administration including package management, networking, storage, and security. Enterprise Linux Systems Administration (GL250) or equivalent hands-on experience is required.
Does IT Dojo offer this training on-site at government or DoD facilities?
Yes. IT Dojo delivers Red Hat Enterprise Linux v8 Differences (GL281) on-site at government agencies, DoD commands, military installations, and contractor facilities. On-site training is ideal for teams of four or more and can be customized to your organization's specific environment and mission requirements. Contact IT Dojo to schedule.
How do I register for this course?
IT Dojo training is employer sponsored. Your organization registers and pays for seats. To schedule Red Hat Enterprise Linux v8 Differences (GL281) for your team, contact IT Dojo via the Request Training form or call 757-216-3656. IT Dojo will work with your contracting officer, training coordinator, or program office to set up the course.