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Cilium Network Policies, from first principles to production

This post teaches the Cilium policy model with clear scenarios and annotated YAML. It matches the style of practical technical blogs, explanation first and code second, with links to the official docs where you will want deeper detail. Why Cilium policy Kubernetes’ built-in NetworkPolicy objects define which pods can communicate using label-based rules at the … Continue reading Cilium Network Policies, from first principles to production

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How to Deploy a Tanzu Kubernetes Grid cluster using the Cilium CNI

In this blog post I’m going to dive into how you can create a Tanzu Kubernetes Grid cluster and specify your own container network interface, for example, Cilium. Expanding on the installation, I’ll also cover installing a load balancer service, deploying a demo app, and showing some of the observability feature as well. What is … Continue reading How to Deploy a Tanzu Kubernetes Grid cluster using the Cilium CNI

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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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Upgrading the vSphere CSI Driver (Storage Container Plugin) from v2.1.0 to latest

In this post I’m just documenting the steps on how to upgrade the vSphere CSI Driver, especially if you must make a jump in versioning to the latest version. Upgrade from pre-v2.3.0 CSI Driver version to v2.3.0 You need to figure out what version of the vSphere CSI Driver you are running. For me it … Continue reading Upgrading the vSphere CSI Driver (Storage Container Plugin) from v2.1.0 to latest

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vSphere with Tanzu – Can I disable DRS?

Can I disable DRS? No. Why can’t I disable DRS when Workload Management is enabled? DRS is a mandatory feature for workload management, the WCP service relies on objects such as Resource Pools to operate. Update – 29th October The vSphere with Tanzu Documentation has now been updated with this statement. Caution: Do not disable … Continue reading vSphere with Tanzu – Can I disable DRS?