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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.

kubeadm is a tool to create Kubernetes clusters.

Questions about creating Kubernetes clusters are most likely off-topic for Stack Overflow and should be asked on another site:

If a developer needs to create their own Kubernetes cluster, they will typically use a higher-level tool such as , , or , rather than directly invoking kubeadm.

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Can't join Kubernetes master from nodes hosts by Vagrant

Use kubeadm to install Kubernetes cluster by Vagrant followed official guide: https://kubernetes.io/docs/getting-started-guides/kubeadm/ It was successful when install on master host: kubeadm init And generated a token: [root@localhost ~]# kubeadm…
cloud_cloud
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kubeadm pro configured admin.conf

Can I just use my own admin.conf before kubeadm init and after that kubeadm will use the file for authorization? This will be really convenient for accessing this cluster outside it because I don't need to process the certs and keys each time.
Qiwei Li
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Kubernetes on Rasperry Pi kube flannel CrashLoopBackOff and kube dns rpc error code = 2

I used this tutorial to set up a kubernetes cluster on my Raspberry 3. I followed the instructions until the setup of flannel by: curl -sSL https://rawgit.com/coreos/flannel/v0.7.0/Documentation/kube-flannel.yml | sed "s/amd64/arm/g" | kubectl…
XIIIfriend
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Cannot connect to service of it's own from inside pod on kubernetes 1.6

I created service and deployment. Now from inside the pod I'm trying to connect to it's own service. It gets times out after few minutes. This works perfectly fine on kubenetes 1.5.x but not 1.6.x. FYI - created kubernetes cluster using kubeadm tool…
Phagun Baya
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Kubernetes services to be exposed to local machine

I am running my kubernetes cluster using kubeadm (local using VMWare VMs). As a part of installation , I have installed Weave Network Adapter to establish relation between master and slave. I could able to create the pods and services successfully.…
sitakant
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kubeadm join command fails due to possibly incorrect preflight check

I recently set up a kubernetes cluster on AWS (EC2 Classic). I followed this documentation: http://kubernetes.io/docs/getting-started-guides/kubeadm/ When it came to joining my slaves to my cluster, the kubeadm join command failed with: Running…
ndtreviv
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Default token mount failing with Kubeadm setup

The setup: 4 Centos7 nodes on AWS us-west-2 Set up using kubeadm-1.5.0alpha according to the offical kubeadm getting started documentation using weave network net.bridge.bridge-nf-call-iptables is enabled firewalld isn't running selinux is…
FuzzyChef
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How to resolve this error on a Kubernetes Installation on AWS?

I'm trying to install Kubernetes (first time) on AWS according to this tutorial http://kubernetes.io/docs/getting-started-guides/aws/#prerequisites I can use the AWS CLI but after running the following command: export KUBERNETES_PROVIDER=aws; curl…
CJChalmers
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Incompatibility Between Kubernetes 1.28 and Cri-Tools

I am taking a Coursera class for CKA Prep and as part of that we are provisioning an instance of a node on Amazon EC2, installing the container runtime (which is containerd in this case) and now I am at the step where I need to install kubeadmn and…
Rasputin
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Can we create kubernetes multiple node (master-worker)cluster on window? if yes,How?

Can we create kubernetes multiple node (master-worker)cluster on window? if yes,How? Please let me know for local as well as for production environment. Thanks I have been trying to install kubernetes cluster on windows,without need of linux, so…
Anu Pathania
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An error occurs when compiling kubeadm init

After I compiled kubeadm, kubectl, and kubelet by downloading the source code and running it under /usr/bin, I found the following error I want to run the cluster with the kubeadm compilation I used yum -y install kubelet kubeadm kubectl before,…
zccharts
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Installing specific kubernetes version on Centos

I'm trying to install certain version of kubernetes, using yum package manager (In give example I'm trying to install 1.21.8, however yum does not find given package version) yum install kubelet-1.21.8-0 kubeadm-1.21.8-0 kubectl-1.21.8-0 I also…
Ruslan Pylypiuk
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Can't join Windows node to Linux Kubernetes cluster: "container runtime is not running"

I have a Kubernetes cluster with a master Linux node, installed with kubeadm and Calico network plugin. I want to join a Windows node so I installed Windows Server 2019 and follow Calico's docs on the Windows Server. After I finished and verified…
E235
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my kubeadm cluster fails while pulling images from nexus with error x509: certificate signed by unknown authority

I am trying pull the images from private registry nexus nexus is behind nginx and created few repo's pushed few images using docker commands it worked without any issues Now those images I want pull it on kuberenetes cluster via pod object, but it…
Sugatur Deekshith S N
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Can kubernetes TLS certificates be signed by a public Certificate Authority?

Can kubernetes TLS certificates be signed by a public Certificate Authority? Our cluster was security scanned using Nessus and it brought to light a few "vulnerabilities". Description: The server's X.509 certificate cannot be trusted Solution:…
user1610468
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