Daniel's Tech Blog

Cloud Computing, Cloud Native & Kubernetes

Category: Azure

  • Configure Microsoft Defender for Cloud continuous export via Terraform

    Microsoft Defender for Cloud supports the continuous export of a variety of data to Azure Event Hubs and Azure Log Analytics workspaces. When you use Azure Event Hubs, you can stream those data also to 3rd-party solutions or Azure Data Explorer. The continuous export is handy for security alerts to maintain them for a longer…

  • Azure PostgreSQL Flexible Server – Feature set on par with Single Server

    The Azure PostgreSQL Flexible Server was from its launch the better option than the Single Server, especially from a performance perspective. However, the Flexible Server was missing important features that were built-in in the Single Server from the beginning. Since the retirement announcement of the Single Server, it was time for Microsoft to bring the…

  • Using HTTP status code 307/308 for HTTPS redirect with the Istio ingress gateway

    The gateway definition for the Istio ingress gateway provides a configuration parameter to enable the HTTPS redirect of HTTP connections. -> https://istio.io/latest/docs/reference/config/networking/gateway/#ServerTLSSettings apiVersion: networking.istio.io/v1beta1 kind: Gateway metadata: name: azst-aks-gateway namespace: istio-config spec: selector: istio: ingressgateway # use Istio default gateway implementation servers: – hosts: – “*.danielstechblog.de” port: number: 80 name: http protocol: HTTP tls: httpsRedirect:…

  • Fluent Bit and Kata Containers on Azure Kubernetes Service

    In the past, I have written two blog posts about how to run untrusted workloads on Azure Kubernetes Service. -> https://www.danielstechblog.io/running-gvisor-on-azure-kubernetes-service-for-sandboxing-containers/ -> https://www.danielstechblog.io/using-kata-containers-on-azure-kubernetes-service-for-sandboxing-containers/ Today, I walk you through how you gather log data of an untrusted workload isolated by Kata Containers with Fluent Bit. When you hear isolated, it always comes to mind that only…

  • Running Fluent Bit on Azure Linux in Azure Kubernetes Service

    In May this year, Microsoft announced the general availability of the Azure Linux support in Azure Kubernetes Service. -> https://azure.microsoft.com/en-us/updates/generally-available-azure-linux-support-in-aks/?WT.mc_id=AZ-MVP-5000119 -> https://techcommunity.microsoft.com/t5/linux-and-open-source-blog/introducing-the-azure-linux-container-host-for-aks/ba-p/3824101?WT.mc_id=AZ-MVP-5000119 Azure Linux is Microsoft’s Linux distribution of CBL-Mariner. -> https://github.com/microsoft/CBL-Mariner You can choose now between using Ubuntu or Azure Linux as the host operating system for your node pools in Azure Kubernetes Service,…

  • My preparation and tips for the Certified Kubernetes Administrator exam

    A few weeks back, I passed the Certified Kubernetes Administrator exam, a long-term item on my to-do list, and eventually accomplished it. -> https://www.cncf.io/certification/cka/ -> https://training.linuxfoundation.org/certification/certified-kubernetes-administrator-cka/ I have been working with Kubernetes for nearly seven years now. Mostly with managed Kubernetes on Azure, Azure Kubernetes Service (AKS). Besides Azure Kubernetes Service, I am using KinD,…

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