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Questions tagged [kubernetes-cluster]

109 questions
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Requirements for installing a Helm chart on a multi-cluster Kubernetes platform

I have an umbrella Helm chart containing different sub-charts (including a RabbitMQ-ha). I am able to easily install this helm chart on a k8s cluster but I want to know is it possible to just install this helm chart (or any ready to use helm chart)…
AVarf
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BadRequest error on deployment of yaml file

getting a bad request error on deployment of yaml file in kubernetes cluster. Error from server (BadRequest): error when creating "deployment.yaml": service in version "v1" cannot be handled as a Service: no kind "service" is registered for version…
RAnand
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What is the relation between nodes, pods, containers? How app is replicated in cluster?

I am new to kubernetes and I went through many articles but didnt find a basic answer to my doubt. Suppose I have 2 nodes kubernete cluster and I have deployed 2 applications on it then. My both of the apps will be hosted on both of the nodes? Like…
Roobal Jindal
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What are the "manual" steps to upgrade a kubernetes cluster (without using kubeadm)?

Kubernetes Cluster Upgrades The Hard Way What are the (high-level) steps required to upgrade a HA kubernetes cluster? In the spirit of "Kubernetes the Hard Way", what are the manual steps that would form the basis of an automated process to achieve…
alansigudo
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Initiate a Kubernetes cluster with Public IPs

I have some VMs on top of a private cloud (OpenStack). While trying to make a cluster on the master node, it initiates the cluster on its private IP by default. When I tried to initiate a cluster based on public IP of master node, using…
Maryam Tavakkoli
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Can I setup a K8S cluster in VMs with different IP ranges?

I managed to install a 3-node cluster on VMs within the same network. But is there a way to install a multi-node K8S cluster on VMs with different IP ranges? (VMs which are not located in the same network) The reason for this question is the…
Maryam Tavakkoli
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What is the use of Kubernetes cluster?

Every where its mentioned "cluster type of service makes pod accessible within a Kubernetes cluster" Does it mean, after adding cluster service to a POD, then that POD can be connected only using cluster service IP of POD, we will not be able to…
sudhir tataraju
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Ingress subdomain shows -- after creating an ibm-cloud kubernetes cluster

I have a created an ibm cloud kubernetes cluster, on a single zone with 2 workers, but the ingress subdomain is not assigned. It shows -- Based on troubleshooting cluster network documentation, this can happen if the maximum number (40) of subnets…
Valdèse Kamdem
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Unable to access vault server from different pods running in kubernetes cluster

I have setup hashicorp vault server in kubernetes. Vault server works fine when accessed through CLI or UI. I created another pod which runs my application. But I cannot access Vault Server from my application which is running on different pod. I…
Mazhar Hassan
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Digital ocean kubernetes cluster connection error

I have created kubernetes cluster on digital ocean having 1 worker node and one master node. As per digital ocean guide line i followed step and download kubernetes cluster config file kubectl --kubeconfig="filename.yaml" get nodes but it is…
Harsh Manvar
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How to add Windows node while creating cluster using Kubernetes on Google cloud platform?

I have tried creating Kubernetes cluster but all the nodes are linux based OS(Container-Optimized OS (cos) (default) and Ubuntu). I have windows based image stored on docker Hub I need to deploy this app to kubernetes cluster. I am using…
Kp28
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kubernetes cluster cant intilized

I'm creating kubernetes cluster on fedora 26, but I can't initialize cluster on kubernetes. Here I'm attaching images and error for your references, guide me how to solve the issue.. Environment: Docker Version Client Version: 1.13.1 API…
ajithk
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Multiple kubernetes cluster

The requirement is, for each new build for QA should create a new kubernetes cluster (new enviroment altogether) and then it should be destroyed after QA is completed. So it is not a federated setup. I am using kops in AWS to create cluster. Do I…
Akshay
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Kubernetes cluster creating issues

Here I'm was using kubernetes for create the cluster manage with all my containers,Now i have some issues on that - I'm using this command to install kubernetes:- # dnf install docker cockpit cockpit-docker cockpit-kubernetes kubernetes etcd…
ajithk
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kubectl unable to access remote cluster

I have a remote cluster with several nodes. I'd like to control it remotely from my laptop. So here is what I did: scp root@remote-master:/root/.kube/config foo change it so that the host name (let's say it's foo as well) for the master node is…
lang2
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