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Microsoft

Build, Modernize, and Secure AKS Workloads with Azure Linux

Microsoft via YouTube

Overview

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Explore this conference talk from Microsoft Ignite 2025 that demonstrates how Azure Linux Container Host optimizes container workloads on Azure Kubernetes Service (AKS). Discover the evolution from CBL Mariner to Azure Linux and learn how this specialized operating system image enhances performance through its lightweight design and consistent update mechanisms. Master seamless migration strategies from Ubuntu to Azure Linux without requiring additional capacity, and understand how performance improvements are achieved through streamlined architecture. Examine advanced security features including pod sandboxing capabilities, OS Guard implementation, and workload isolation techniques that help enterprises modernize their infrastructure with confidence. Dive deep into Kata Container architecture on AKS and see how normal and sandbox containers can be combined effectively on Azure Linux nodes. Learn about comprehensive security hardening through Integrity Policy Enforcement (IPE) kernel modules, SELinux integration, and dm-verity verification systems that protect against unauthorized modifications. Gain insights into the Azure Linux roadmap including upcoming enhancements such as enforced SELinux policies, minimized container images, and expanded GPU support for diverse workload requirements. Presented by Microsoft experts Sudhanva Huruli and Dongha Paek, this advanced-level session provides practical demonstrations and real-world customer use cases for implementing Azure Linux in production environments.

Syllabus

0:00 - Development of CBL Mariner and Rebranding to Azure Linux
00:07:49 - Seamless migration from Ubuntu to Azure Linux without additional capacity
00:12:40 - Performance improvements through lightweight design and consistent updates
00:16:35 - Combining Normal and Sandbox Containers on Azure Linux Node
00:20:10 - Deep Dive into Kata Container Architecture on Azure Kubernetes Service
00:22:02 - Demonstration of Azure Linux with OS Guard and Security Features
00:27:12 - Integrity Policy Enforcement with IPE Kernel Module
00:28:22 - Azure Linux Roadmap: Upcoming Features and Enhancements
00:29:37 - Future Improvements: Enforcing SELinux, Minimizing Images, and GPU Support

Taught by

Microsoft Ignite

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