kubeadm Questions

4

Solved

I installed a Kubernetes master using kubeadm sucessfully on a VM (VirtualBox). The problem is that if I stop the machine and restart it the master node seems to be down: kubectl get nodes The con...
Headsail asked 17/5, 2018 at 8:33

1

Solved

My certificates were expired: root@ubuntu:~# kubectl get pods Unable to connect to the server: x509: certificate has expired or is not yet valid I verified it by running: root@ubuntu:~# kubeadm a...
Metritis asked 30/3, 2021 at 9:34

2

After installing kubernetes cluster following this guide I decided to check logs of system pod kube-scheduler to ensure that all works fine: kubectl logs --namespace kube-system kube-scheduler-us...
Camacho asked 23/6, 2017 at 8:56

1

Solved

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...
Adina asked 15/2, 2021 at 18:8

6

I would like to resolve the kube-dns names from outside of the Kubernetes cluster by adding a stub zone to my DNS servers. This requires changing the cluster.local domain to something that fits int...
Erb asked 18/1, 2018 at 17:8

1

We are trying to create POD but the Pod's status struck at ContainerCreating for long time. This is the output we got after running the command: kubectl describe pod Name: demo-6c59fb8f77-9x6sr Nam...
Coessential asked 23/12, 2020 at 12:6

9

Solved

I am trying reach my k8s master from my workstation. I can access the master from the LAN fine but not from my workstation. The error message is: % kubectl --context=employee-context get pods Unab...
Eyeshade asked 22/9, 2017 at 8:38

6

I have setup a kubernetes using kubeadm v1.8.5 Setup a dashboard using: wget https://raw.githubusercontent.com/kubernetes/dashboard/v1.8.0/src/deploy/recommended/kubernetes-dashboard.yaml` kube...
Edmundoedmunds asked 3/1, 2018 at 6:8

2

Solved

Context I installed Docker following this instruction on my Ubuntu 18.04 LTS (Server) and later on Kubernetes followed via kubeadm. After initializing (kubeadm init --pod-network-cidr=10.10.10.10/...
Seismography asked 4/2, 2020 at 0:38

3

I created a kubernetes cluster 1 master and 2 worker nodes 2 months ago, today one worker node started to fail and I don't know why. I think nothing unusual happened to my worker. I used flannel ...
Cinquefoil asked 11/12, 2019 at 17:27

3

Solved

I am trying to create a Kubernetes cluster using kubeadm tool. For this I installed the supported docker version as specified here I could also install kubeadm successfully. I initiated the cluste...
Midgut asked 18/4, 2020 at 14:29

2

Solved

I installed kubernetes using kubeadm v1.14.0 and added two working nodes via the join command. kubeadm config apiVersion: kubeadm.k8s.io/v1beta1 kind: ClusterConfiguration kubernetesVersion: v1.14...
Gina asked 15/8, 2019 at 2:4

2

Solved

I have a K8s cluster created with kubeadm that consists of a master node and two workers. I am following this documentation article regarding the etcd backup: https://kubernetes.io/docs/tasks/admi...
Litchi asked 16/7, 2018 at 22:26

2

Solved

Hello I am facing a kubeadm join problem on a remote server. I want to create a multi-server, multi-node Kubernetes Cluster. I created a vagrantfile to create a master node and N workers. It works...
Attain asked 21/4, 2020 at 20:2

2

Solved

I'm pretty new to Kubernetes and clusters so this might be very simple. I set up a Kubernetes cluster with 5 nodes using kubeadm following this guide. I got some issues but it all worked in the en...
Hyman asked 10/1, 2017 at 10:17

1

Solved

I used kubeadm to initialize my K8 master. However, I missed the --pod-network-cidr=10.244.0.0/16 flag to be used with flannel. Is there a way (or a config file) I can modify to reflect this subnet...
Gissing asked 30/3, 2020 at 22:18

1

Solved

I need to initialize my kubernetes cluster using a kubeadm config file due to some extra arguments that I need to pass, which are not directly available to kubeadm init. I did create a config file...
Choline asked 25/2, 2020 at 9:17

2

Solved

I'm trying to limit the number of pods per each node from my cluster. I managed to add a global limit per node from kubeadm init with config file: apiVersion: kubeadm.k8s.io/v1beta1 kind: ClusterC...
Sulfapyrazine asked 24/2, 2020 at 14:34

4

Solved

I'm trying to set up the Kubernetes master, by issuing: kubeadm init --pod-network-cidr=192.168.0.0/16 followed by: Installing a pod network add-on (Calico) followed by: Master Isolation ...
Safeguard asked 31/10, 2018 at 3:20

0

When I try to start kube-apiserver I get following logs: I1215 14:18:23.130968 1 controller.go:83] Starting OpenAPI controller I1215 14:18:23.131021 1 customresource_discovery_controller.go:208] S...
Cahill asked 15/12, 2019 at 16:7

3

Solved

I'm here to know about kubeadm. I'm planing to create kubernetes cluster using kubeadm on my production environment. So, I wanted to know is kubeadm production is ready to deploy in my product?
Akene asked 3/10, 2018 at 4:0

1

Solved

I have deployed a Kubernetes cluster composed of a master and two workers using kubeadm and the Flannel network driver (So I passed the --pod-network-cidr=10.244.0.0/16 flag to kubeadm init). Thos...
Hairbreadth asked 5/11, 2019 at 8:37

2

Solved

currently I am setting up Kubernetes on a 1 Master 2 Node enviorement. I succesfully initialized the Master and added the nodes to the Cluster kubectl get nodes When I joined the Nodes to the cl...
Promptitude asked 13/6, 2018 at 9:23

2

Solved

Using kubeadm init initializes the control plane with default configuration options. Is there a way to see what default values/configuration it will use for the control plane, how can I view that ...
Clementineclementis asked 20/10, 2018 at 21:20

3

I did try kubectl describe node masterNodeName ,it gives output as :- Name: ip-172-28-3-142 Roles: master Labels: beta.kubernetes.io/arch=amd64 beta.kubernetes.io/os=linux kubernetes.io/arch=a...
Vivavivace asked 27/8, 2019 at 14:27

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