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Sunday, July 23, 2023

Kubernetes 101 - Part11 - Find Kubernetes nodes with DiskPressure

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Following are two quick and easy ways to find Kubernetes nodes with disk pressure: jq: kubectl get nodes -o json | jq -r '.items[] | sel...
Sunday, July 9, 2023

vSphere with Tanzu using NSX-T - Part27 - nullfinalizer kubectl plugin

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I have seen many cases where the supervisor namespace gets stuck at Terminating phase waiting on finalization on some of its child resources...
Saturday, July 8, 2023

Kubernetes 101 Blog series

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Part1 - Create K8s cluster with kubeadm Part2 - Basic operations Part3 - Install kubectl on Windows Part4 - Kubectl autocomplete and alias P...
Saturday, June 17, 2023

Kubernetes 101 - Part10 - Plugins I use for managing K8s clusters

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Following are some of the kubectl plugins that I use on a daily basis:   kubectx kail kubectl tree kubectl images kubectl allctx kubectl vie...
Friday, June 9, 2023

vSphere with Tanzu using NSX-T - Part26 - Jumpbox kubectl plugin to SSH to TKC node

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For troubleshooting TKC (Tanzu Kubernetes Cluster) you may need to ssh into the TKC nodes. For doing ssh, you will need to first create a ju...
Saturday, May 20, 2023

vSphere with Tanzu using NSX-T - Part25 - Spherelet

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The Spherelet is based on the Kubernetes “Kubelet” and enables an ESXi hypervisor to act as a Kubernetes worker node. Sometimes you may noti...
Sunday, May 7, 2023

Kubernetes 101 - Part9 - kubeconfig certificate expiration

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You can verify the expiration date of kubeconfig in the current context as follows: kubectl config view --minify --raw --output 'jsonpat...