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Questions tagged [kubeadm]

OFF-TOPIC most likely. Kubeadm is a tool built to provide kubeadm init and kubeadm join as best-practice “fast paths” for creating Kubernetes clusters. Questions about installing or configuring Kubernetes clusters are generally not on-topic for Stack Overflow and should be asked on another site.

20 votes
1 answer
45k views

I encountered when executing kubeadm init error issue [closed]

I encountered as below when executing sudo kubeadm init Help me~~ $ sudo kubeadm init [init] Using Kubernetes version: v1.24.1 [preflight] Running pre-flight checks [WARNING SystemVerification]...
Jaehyun Lee's user avatar
1 vote
1 answer
5k views

Add new control plane node got failed k8s 1.21.0 [closed]

I want to add a new control plane node into the cluster. So, I run in an existing control plane server: kubeadm token create --print-join-command I run this command in new control plane node: kubeadm ...
sincorchetes's user avatar
-1 votes
1 answer
15k views

kubeadm init failing while initializing a Kubernetes cluster [closed]

execution logs from kubeadm init VM OS Version - RHEL 8.2 (4.18.0-193.el8.x86_64) Docker Version - 19.03.8 Kubernetes Version - 1.18.0 H/W Configuration - 4 CPU and 16 GB RAM (90% available) $$...
Balu R's user avatar
  • 87
0 votes
1 answer
628 views

Changing kube-controller-manager.yaml with minkube [closed]

I want to add some flags to change sync periods. can I do it with minikube and kubectl? Or will I have to install and use kubeadm for any such kind of initialization? I refered the this link. I ...
Museb Momin's user avatar
4 votes
1 answer
9k views

kubeadm init error: kubeadm timed out waiting for the condition [closed]

I try execute kubeadm init --apiserver-advertise-address 49.232.211.230 --pod-network-cidr=10.244.0.0/16 -v=9 print log: [wait-control-plane] Waiting for the kubelet to boot up the control plane as ...
why's user avatar
  • 43
-1 votes
1 answer
339 views

What is the difference between kubeadm join and kubernetes api node creation [closed]

I noticed that we can create node by Kubernetes API What is the difference between Kubeadm join and this api? Is it possible to create a new worker node only by Kubernetes Api (without kubeadm)?
Justin's user avatar
  • 23
11 votes
1 answer
15k views

After certificates renewal, an error: "You must be logged in to the server (Unauthorized)"

My certificates were expired: root@ubuntu:~# kubectl get pods Unable to connect to the server: x509: certificate has expired or is not yet valid ...
E235's user avatar
  • 12.9k
0 votes
3 answers
3k views

How to programatically get value printed by Kubernetes in --discovery-token-ca-cert-hash after using kubeadm init [closed]

I have this specific use case, in which we remotely create Kubernetes clusters on a significant number of machines. When we run kubeadm init at the end the join commands gets printed as: kubeadm join [...
nazar's user avatar
  • 167
0 votes
1 answer
258 views

How to check pre-version for kubeadm cluster

For some reason, I can not easily get the k8s.gcr.io containers in my server. The workaround is to fetch containers locally and then move it to my server. My question is how to pre-get all messages of ...
ccd's user avatar
  • 6,630
16 votes
1 answer
60k views

Config not found: /etc/kubernetes/admin.conf -- After setting up kubeadm worker node

Following this tutorial, I set up a worker node for my cluster. However, after running the join command and attempting kubectl get node to verify the node was connected, I am met with the following ...
arshbot's user avatar
  • 15k
0 votes
2 answers
687 views

Equivalent of kind load or minikube cache in kubeadm

I have 3 nodes kubernetes cluster managing with kubeadm. Previously i used kind and minikube. When I wanted make deployment based on docker image i just need make: kind load docker-image in kind or, ...
greygreg87's user avatar
3 votes
1 answer
2k views

minikube start - howto modify KubeletConfiguration passed to kubeadm?

I would like to set the value KubeletConfiguration.cpuCFSQuota = false in the config.yaml passed to kubeadm when launching minikube to turn off CPU resource checking, but I have not managed to find ...
Piers's user avatar
  • 53
1 vote
1 answer
892 views

Error: unknown api groups settings.k8s.io from kube-apiserver

I am using kubeadm version: &version.Info{Major:"1", Minor:"20", GitVersion:"v1.20.2", GitCommit:"faecb196815e248d3ecfb03c680a4507229c2a56", GitTreeState:&...
Tkaewkunha's user avatar

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