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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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Grafana – unable to login “User already exists”

The Issue When trying to log into Grafana Web UI using an OIDC provider, in my case, Dex. The login would fail due to the error “User already exists”, after some time. This happened for any users given access via the OIDC. The Cause This looks to happen due to a CVE fix implemented in … Continue reading Grafana – unable to login “User already exists”

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VMware Aria Hub and AWS Setup: A Guide to Getting Started

In this blog post, I am going to take you through how to get started with VMware Aria Hub, and connect your first public cloud account, in this example, AWS. What is VMware Aria Hub? Before we dive into the technical pieces, what is VMware Aria Hub? If we take the marketing definition: VMware Aria … Continue reading VMware Aria Hub and AWS Setup: A Guide to Getting Started

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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