Tag: Cloud
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Troubleshooting Azure Kubernetes Service tunnel component issues
In Azure Kubernetes Service Microsoft manages the AKS control plane (Kubernetes API server, scheduler, etcd, etc.) for you. The AKS control plane interacts with the AKS nodes in your subscription via a secure connection that is established through the tunnelfront / aks-link component. -> https://docs.microsoft.com/en-us/azure/aks/concepts-clusters-workloads#kubernetes-cluster-architecture As you can run the AKS control plane within a…
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Automate taking backups from Azure disks attached to Azure Kubernetes Service
At the beginning of 2019 I wrote a blog post about taking backups from Azure disks attached to an Azure Kubernetes Service cluster. -> https://www.danielstechblog.io/taking-backups-from-azure-disks-attached-to-aks-via-azure-automation/ Since then, some things changed. Azure Function PowerShell support went into public preview in April 2019 and the AzTable (AzureRmStorageTable) module I use in the solution had new releases. So,…
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Azure Policy for Azure Kubernetes Service
In June I already covered Azure Policy for Kubernetes in a blog post. -> https://www.danielstechblog.io/using-azure-policy-for-kubernetes/ Back then Azure Policy for AKS was in public preview. At this year’s Microsoft Ignite Azure Policy for AKS went GA. -> https://azure.microsoft.com/en-us/updates/ga-policy-addon-for-azure-kubernetes-service/ There have been some significant changes between the public preview and the GA version. First, let us…
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Azure Kubernetes Service – Microsoft Ignite announcements
At this year’s first digital Microsoft Ignite conference Microsoft announced several GA and preview features for its Azure Kubernetes Service. GA: Azure Policy add-on for AKS GA: Ubuntu 18.04 as new base image GA: Mutate default storage class Preview: Azure RBAC for Kubernetes authorization Preview: AKS cluster start/stop feature Preview: Kubernetes 1.19 support Preview: New…
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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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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.…