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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...
Saturday, April 15, 2023

Kubernetes 101 - Part8 - Filter events of a specific object

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You can filter events of a specific object as follows: k get event --field-selector involvedObject.name=<object name> -n <namespace...
Saturday, April 8, 2023

vSphere with Tanzu using NSX-T - Part24 - Kubernetes component certs in TKC

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The Kubernetes component certificates inside a TKC (Tanzu Kubernetes Cluster) has lifetime of 1 year. If you manage to upgrade your TKC atle...
Saturday, March 18, 2023

Kubernetes 101 - Part7 - Restart all deployments and daemonsets in a namespace

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Restart all deployments in a namespace ❯ kubectl rollout restart deployments -n <namespace> Restart all daemonsets in a namespace ❯ ku...