From the course: Debugging Kubernetes
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Retrieving data from kubeconfig contexts - Kubernetes Tutorial
From the course: Debugging Kubernetes
Retrieving data from kubeconfig contexts
- [Instructor] All right, let's begin by making sure you're in the 05_03_before folder within your exercise file bundle. You should see a file called start_cluster.sh. Now if you're using the Mac, we're going to install some additional tools into our machine before we run this script. First, run brew install openssl coreutils. This will install a newer version of OpenSSL and some open source utilities that we'll be using as we work through this troubleshooting scenario, like Base64. After the installation finishes, you'll see a message down towards the bottom of your screen asking you to add a GNU bin directory to your path. Copy the path line underneath it like this. Then in the next empty line, run export, then paste that path command that you copied in. This will make sure that we're using the right version of the tools that we'll be using. After you do this, make sure that you're using the right set of tools by running openssl dash dash version as well as base64 dash dash version.…
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Contents
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(Locked)
Quick refresher on kubeconfig files3m 37s
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Why Kubernetes authentication issues occur2m 2s
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Retrieving data from kubeconfig contexts7m 48s
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Retrieving user certificates from kubeconfig files6m
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Confirming kubeconfig certificate validity2m 32s
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Generating new Kubernetes user certificates9m 10s
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Understanding slow kubectl commands4m 24s
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Understanding NotReady Kubernetes nodes1m 5s
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Identifying kubelets that are not started5m 33s
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Restarting the kubelet service4m 7s
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(Locked)
Troubleshooting missing CNIs5m 1s
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Understanding slow Kubernetes resource deletions1m 33s
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Identifying Kubernetes resource finalizers4m 26s
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Safely removing Kubernetes resource finalizers3m 47s
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Removing finalizers from namespaces6m 57s
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