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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

Happy New Year!Before the end 2020, I managed to pass the recently released Certified Kubernetes Security Specialist (CKS). It took two tries to pass it since the domain is a whole new beast compared to CKA-CKAD. In addition, studying for it was also a challenge since it was just released officially last November 2020. For people looking at how to prepare, here’s some general tips in preparing for the exam (wit

Quick demonstration of how to utilize tkg-cli and Gitlab CICD to provision kubernetes cluster. This allows anyone to provision/scale/delete kubernetes cluster by just committing a cluster definition to git – a common usecase when employing GitOps. Overview of how it’s done: Python script gets executed as part of the GitlabCICD which does a git diff to determine the appropriate action to perform Any files

If you’re reading this – you either: sweating as you can’t recover a data from a POD that was using a PV or.. looking for ways to safely delete PODs without affecting storage stored in a PV Either way, came across the same dilemma while I was migrating my apps to argocd. Took awhile to search for this so I’m documenting for anyone wanted to have the solution. If the PV is already released, ski

A month ago, I took and passed Certified Kubernetes Application Developer (CKAD) and, a week later, Certified Kubernetes Administrator (CKA). This post is not meant to provide review guidelines but my take on the exam as someone: Who has been taking only VMware Certifications in the last 10 years (my last non-vmware cert is NCDA back in 2010?) Primary experience being a System Administrator Knowledge in Cloud-Native