Unable to fetch the kubeadm-config ConfigMap: Get https://192.168.178.6:6443/api/v1/namespaces/kube-system/configmaps/kubeadm-config: dial tcp 192.168.178.6:6443: connect: connection refused What you expected to happen? add master node success How to reproduce it (as minimally and precisely as...
But Kubernetes is tough to master — and therefore intimidating — to plenty of teams and developers, especially those moving applications to the cloud for the first time. “Everybody throws everything on Kubernetes.” “It’s kind of the butt of the joke in the tech community: Everybody th...
I have a kubernetes cluster with 3 master nodes. They are named master-1, master-2 and master-3. I would like to rename them as control-plane-n. I could not find a clear procedure to do this. The closest one is how to rename a node in a cluster. So I just tried that. Here ...
And switch to thedeveloperuser to check that it can now impersonate theadminuser: $ kubectl config current-context dev1/api-ocp4-example-com:6443/developer $ kubectl getnode--asadmin NAME STATUS ROLES AGE VERSION master01 Ready master,worker 32d v1.24.0+b62823b ...
To identify a Kubernetes node not ready error: run the kubectl get nodes command. Nodes that are not ready will appear like this: NAME STATUS ROLES AGE VERSION master.example.com Ready master 5h v1.17 node1.example.com NotReady compute 5h v1.17 node2.example.com Ready compute 5h v1.17 ...
there's a TON more to learn and the docs site has agreat set of tutorialsto continue with. Check those out, type deploying a cluster using kubeadm on some virtual machines, and when you're really ready to dive in deep check out theCertified Kubernetes Administrator certification. As Obi-Wa...
Hi thomas, i am creating master node in kubernetes. i given below coomand kubeadm init --config=kubeadm-config.yaml --experimental-upload-certs iam getting error : [kubelet-check] Initial timeout of 40s passed. Unfortunately, an error has occurred: timed out waiting for the condition This er...
Here are the manual steps to set these two flags for each control plane node. Ssh into the 1st control plane node and switch to root user: bosh -d service_instance-xxx ssh master/0 sudo -i Append flags after line 35 in file /var/vcap/jobs/etcd/bin/etcd. The updated file would look...
1. Start a Kubernetes cluster (master node) Begin by creating a Kubernetes cluster, which involves setting up your master node as the control plane. This allows it to manage worker nodes and orchestrate container deployments across the system. ...
Linode Kubernetes Engine (LKE)allows you to easily create, scale, and manage Kubernetes clusters to meet your application’s demands, reducing the often complicated cluster set-up process to just a few clicks. Linode manages your Kubernetes master node, and you select how many Linodes you want...