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 manage SUSE Linux Enterprise Server (SLES) workloads in Microsoft Azure and are looking to modernize and upgrade their environments from SLES 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 both in-place upgrades and snapshot-based rollback strategies using 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 LearnUnderstand the difference between SLES 12 and SLES 15 features and lifecycle supportAssess and prepare Azure VM environments for OS upgradePerform SUSEConnect and repository configuration for cloud upgradesExecute in-place OS upgrades with YaST and Zypper toolsTroubleshoot package conflicts and repository errors during migrationValidate post-upgrade functionality and system performanceApply Azure-specific best practices for Linux upgradesWho Should EnrollAzure Cloud AdministratorsLinux System AdministratorsDevOps EngineersIT Support and Operations TeamsAnyone 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

https://www.udemy.com/course/upgrading-azure-systems-from-sles-12-sp5-to-sles-15-sp3/