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RED HAT ENTERPRISE LINUX V8 DIFFERENCES
Duration
2 Days
Course
OSUN-281-BR
Available Formats
Classroom Training, Online Training
Course Description
Overview
This course covers the major differences between RHEL 7 and RHEL 8. Major topics covered include: software management, networking and firewalls, storage, authentication, auditing, containers and virtualization.Objectives
Prerequisites
- This course is targeted at Linux Sysadmins with experience using RHEL7.X and wishing to understand the significant new technologies introduced by RHEL 8. Attendees must be proficient at the command line and should have familiarity with RHEL 7.X Linux.
Topics
SOFTWARE MANAGEMENT
- Managing Software Dependencies
- Using the Yum & DNF commands
- Using Yum history
- Yum package groups
- dnf
- AppStreams and Modules
- Popular Yum Repositories
- Image Builder (Lorax & composer-cli)
- LAB TASKS
- Using Yum
- Managing Yum Repositories
- Building System Images with Lorax & Composer
- DNF Appstreams and Modules
- nftables
- Transitioning to nftables
- NFT: Tables
- NFT: Chains
- Netfilter Rule Syntax
- Targets
- NFT: Rules
- Rule Counters
- FirewallD
- TCP Congestion Control
- NetworkManager
- NetworkManager RHEL8 Changes
- Time Synchronization with Chronyd
- LAB TASKS
- Chrony Client Configuration
- TCP Congestion Control
- Using nmcli
- Linux Unified Key Setup (LUKS)
- LUKS2
- LUKS2 NBDE
- Stratis
- Using the stratis CLI to manage Stratis pools
- XFS Copy-on-Write
- Storage: Notable Removals
- LAB TASKS
- LUKS-on-disk format Encrypted Filesystem
- Encrypting an existing filesystem with LUKS2
- LVM NBDE
- Creating and managing layered local storage with Stratis
- XFS Copy-on-Write
- SCAP
- OpenSCAP
- oscap CLI
- System-wide Cryptographic Policies
- USBGuard
- System Security Services Daemon (SSSD)
- SSSD & tlog
- Kernel-Level Auditing
- Configuring the Audit Daemon
- File Access Policy Daemon
- Notable Changes from RHEL 7 to 8
- LAB TASKS
- OpenSCAP Installation
- Using oscap
- System-wide Cryptographic Policies
- Complete Session Logging with tlog
- Using fapolicyd
- Daemonless Containers
- Podman
- Podman Images
- Podman Volumes
- Podman Networking
- Rootless Podman
- Building Images with Buildah
- Managing Images with Skopeo
- LAB TASKS
- Podman
- Podman Networking
- Corosync 3.0
- Pacemaker 2.0
- Cockpit
- Cockpit Administration
- LAB TASKS
- Cockpit
- Wayland
- Pre-Installation Considerations
- Hardware Compatibility
- Multi-OS Booting
- Partition Considerations
- Filesystem Planning
- Selecting a Filesystem
- Anaconda: An Overview
- Anaconda: Booting the System
- Anaconda: Common Boot Options
- Anaconda: Loading Anaconda and Packages
- Anaconda: Storage Options
- Anaconda: Troubleshooting
- FirstBoot
- Kickstart
- Network Booting with PXE
- A Typical Install
- LAB TASKS
- Linux Installation
- Automating Installation with Kickstart
Related Courses
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Red Hat Enterprise Linux v7 Differences
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- Same in-demand topics as instructor-led public and private classes.
- Standalone learning or supplemental reinforcement.
- e-Learning content varies by course and technology.
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