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Cilium Hubble CLI – Using a local configuration file

Did you know that the Cilium Hubble CLI supports using a configuration file? Below is an example command where Isovalent Enterprise for Cilium is deployed and Hubble RBAC is configured. Therefore, I must provide additional details such as the server location and certificates to authenticate using the CLI. The steps in this blog post also … Continue reading Cilium Hubble CLI – Using a local configuration file

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How to migrate from Red Hat OpenShiftSDN/OVN-Kubernetes to Cilium

Recently, I’m seeing more and more queries about migrating to Cilium within an existing Red Hat OpenShift cluster, due to Cilium’s advanced networking capabilities, robust security features, and enhanced observability out-of-the-box. This increase of interest is also boosted by the fact that Cilium became the first Kubernetes CNI to graduate in the CNCF Landscape. In … Continue reading How to migrate from Red Hat OpenShiftSDN/OVN-Kubernetes to Cilium

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VMware Cloud on AWS Deep Dive – Activating, Deploying and Using the managed Tanzu Kubernetes Grid Service

In this blog post I’m going to deep dive into the end-to-end activation, deployment, and consuming of the managed Tanzu Services (Tanzu Kubernetes Grid Service > TKGS) within a VMware Cloud on AWS SDDC. I’ll deploy a Tanzu Cluster inside a vSphere Namespace, and then deploy my trusty Pac-Man application and make it Publicly Accessible. … Continue reading VMware Cloud on AWS Deep Dive – Activating, Deploying and Using the managed Tanzu Kubernetes Grid Service

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vSphere with Tanzu – Creating cluster fails with “storage class is not valid”

The Issue When you have attached a vSphere Storage Policy to your vSphere Namespace, and tried to create a cluster using the Storage Policy Name, you find it will fail with an error such as: Error from server (storage class is not valid for control plane VM: StorageClass ‘Tanzu Storage Policy’ is not assigned for … Continue reading vSphere with Tanzu – Creating cluster fails with “storage class is not valid”

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MongoDB Container data loss issue – A Journey

Over the past month or so I noticed an issue with my Pac-Man Kubernetes application, which I use for demonstrations as a basic app front-end that writes to a database back end, running in Kubernetes. When I restored my instances using Kasten, my Pac-Man high scores were missing. This issue happened when I made some … Continue reading MongoDB Container data loss issue – A Journey