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Ok. so it’s been awhile since my last post and I just notice I have alot of stuff in my draft. Anyway, here’s a quick post on how to solve Supervisor Namespace not showing up in kubectl CLI when trying to login to TKGS. The issue: if you use kubectl vsphere login in a machine that already has kubeconfig configured, changing context won’t work I’ve been doing alot of kubernetes and have collect

I needed to change the configuration of AVI / NSX ALB that is powering my TKG 1.4 cluster. The change is a downgrade since i’m seeing weird stuff on the new version of AVI i was using. In hindsight, i could have easily just recreated everything in my TKG cluster as it’s all scripted/ templated already but doing this steps would help you understand the integration works. so lets get started: In the Managem

Background: After detaching a Tanzu Workload cluster in TMC (Tanzu Mission Control), vmware-system-tmc namespace is still left in the workload cluster Quick Commands to complete the cleanup:

Quick Post: Cause: This is because of a stuck resource in kubernetes. Solution: One way to get around this is to remove the finalizer spec to allow kubernetes in to clean-up the namespace. Steps: Dump the namespace spec in json format Edit the namespace.json and remove the finalizer portion in the spec. it should look like below From: to: Manually patch the namespace using the following command … and that’

Last February, I blogged how to use Inlets which allows you to expose your on-prem kubernetes cluster to the big bad internet using an exit node which is a public VPS. It works as it claims but this may not be for everyone as you need to pay extra $/mo for the public VPS. Like anything in IT- there’s many ways to skin a cat. Now, i’ll be detailing another way to achieve this using CloudFlare Argo Tunnel w

With Tanzu Kubernetes Grid Cluster API implements Machine Health-Check that provides node health monitoring and node auto-repair for Tanzu Kubernetes clusters. In action, what happens is it automatically consolidates the desired state with regards to node configuration in the event of failure. Saw this in action when power wen-out and caused one my worker nodes to be corrupted. As a response, the cluster-api provisio

NOTE: This post is based on Tanzu Kubernetes Grid. If you are using other kubernetes release, installing/using AVI Kubernetes Operator manually should work. With the release of Tanzu Kubernetes Grid ( tkg 1.3), Avi Kubernetes Operator can be pre-configured as part of kubernetes cluster creation. This helps streamline setting up Type:LoadBalancer especially for on-prem kubernetes install. This is HUGE as it removes th

For this post, I’ll document how to setup Harbor registry using Traefik as an ingress controller with a valid certificate from LetsEncrypt . Documentation around the topic is scattered in different places and people just assumes you’ll figure out the trivial details. So without further ado… let’s start with a quick pre-requisites. Pre-requisite As an image registry, Harbor needs to have a vali

DISCLAIMER: I’m not affiliated with inlets/ openfaas. I bought inlets-pro license on my own as it’s a cool tech which answers limitations to my current home-lab setup. As with anyone running an on-premise Kubernetes, exposing services internally is straight forward process – setting up services/ ingress. voila! You got your application consumable by anyone internal to your network. Now to have it ac