Upgrading Azure Systems from SLES 12 SP5 to SLES 15 SP3

Master the end-to-end process of upgrading SUSE Linux Enterprise Server from 12 SP5 to 15 SP3 in Azure — with real-world

What you'll learn
- Understand differences between SLES 12 SP5 and SLES 15 SP3
- Prepare Azure VMs and snapshots before upgrading
- Use SUSE migration tools (SUSEConnect, zypper, and Product Migration)
- Validate OS, kernel, and service health post-upgrade
- Rollback and recovery using Azure Backup and snapshots

Requirements
- Basic knowledge of Linux system administration (SUSE or similar)
- Familiarity with Azure Virtual Machines and resource management
- Access to a SUSE subscription or trial repository
- Azure portal account (Free or Paid subscription)

Description
This course contains the use of artificial intelligence.

This course is designed for IT administrators, cloud engineers, and Linux professionals who manageSUSE Linux Enterprise Server (SLES)workloads inMicrosoft Azureand are looking to modernize and upgrade their environments fromSLES 12 SP5 to SLES 15 SP3. Through hands-on demos, guided labs, and real-world upgrade scenarios, you will gain the essential skills and confidence to execute seamless OS upgrades in cloud infrastructure.

You will learn how to assess system readiness, configure repositories, plan migration paths, and perform bothin-place upgradesandsnapshot-based rollback strategiesusing Azure native tools and SUSE utilities. The course also covers post-upgrade validation, troubleshooting, subscription management, and compliance requirements specific to cloud-hosted workloads.

By the end of this course, you will be able to successfully upgrade SLES 12 SP5 virtual machines to SLES 15 SP3 in Azure with minimal downtime — ensuring system stability, enhanced security features, and long-term supportability.

What You Will Learn

Understand the difference between SLES 12 and SLES 15 features and lifecycle support

Assess and prepare Azure VM environments for OS upgrade

Perform SUSEConnect and repository configuration for cloud upgrades

Execute in-place OS upgrades with YaST and Zypper tools

Troubleshoot package conflicts and repository errors during migration

Validate post-upgrade functionality and system performance

Apply Azure-specific best practices for Linux upgrades

Who Should Enroll

Azure Cloud Administrators

Linux System Administrators

DevOps Engineers

IT Support and Operations Teams

Anyone responsible for managing SUSE Linux workloads in Azure

Who this course is for:
- Azure Administrators and Cloud Engineers
- IT Professionals migrating enterprise systems on Azure
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