Tag: IaaS
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Identify the max capacity of ephemeral OS disks for Azure VM sizes
Back in 2019 Microsoft introduced the ephemeral OS disk option for Azure VMs and VMSS. -> https://azure.microsoft.com/en-us/updates/azure-ephemeral-os-disk-now-generally-available/ Instead of storing and persisting the OS disk to the Azure remote storage the ephemeral OS disk is stored onto the VM’s cache. Hence, ephemeral OS disks are perfect for stateless workloads like Azure Kubernetes Service node pools.…
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Azure Reservations and the RBAC dilemma
Cloud computing underlies a constant change. Things you take today for granted are different tomorrow. Surprisingly, even designs and implementations on the same platform can be different. Welcome to today’s topic of Azure Reservations and the RBAC dilemma. As I have written in my brief introduction, designs and implementations can be different. Azure RBAC is…
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Trigger an on-demand Azure Policy compliance evaluation scan
Azure Policy evaluates resource compliance automatically every 24 hours for already assigned policies or initiatives. New policy or initiative assignments start the evaluation after the assignment has been applied to the defined scope which might take up to 30 minutes. What might be a hidden gem to some of you is the case that you…
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Introduction to Azure Resource Mover
Azure Resource Mover is a new service in Azure that lets you move resources across regions. It complements the existing capabilities to move resources between resource groups in the same subscriptions or cross subscriptions. Scenarios for Azure Resource Mover are: Taking advantage of a new Azure region that is closer to you and thus reducing…
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Downgrade the Linux kernel on an Azure Ubuntu VM
Sometimes it might be that you need to downgrade the Linux kernel on an Azure Ubuntu VM. Especially when you use Azure Site Recovery for BCDR. As the ASR agent has a slight delay on supporting the latest Linux kernel versions. -> https://docs.microsoft.com/en-us/azure/site-recovery/azure-to-azure-support-matrix#supported-ubuntu-kernel-versions-for-azure-virtual-machines Ubuntu was one of the first Linux distributions offering an Azure-optimized kernel.…
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Assigning RBAC permissions with Azure Resource Manager templates
Recently, I updated my AKS ARM template supporting the latest AKS feature set and important RBAC role assignments for the AKS cluster. After having a hard time, I managed to get the RBAC role assignment working. When you now think what should be so complicated? Check out my tweet on Twitter getting the background information.…