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Questions tagged [kubernetes]

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", it groups the containers which make up an application into logical units for easy management and discovery.

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", it groups the containers which make up an application into logical units for easy management and discovery.

For more details, visit the official Kubernetes page.

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Why we need to go for elasticsearch cluster with kubernetes?

I have installed kubernetes on my DC and all is working fine. I have tested several services like mongodb and web services. But my goal is to find a good solution for Elasticsearch big data. From internet most of the techies are talking about Big…
James Arems
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Some Kubernetes traffic ignoring VLAN

I have a small Kubernetes cluster that I set up using kubeadm. My servers are connected via a VLAN, which my provider lets me add my servers into. The VLAN adds a network adapter (ens6), which I created a virtual adapter (veth0) on, that assigns…
Empty2k12
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Elasticsearch - Kubernetes [handshake failed, mismatched cluster name]

When setting up Elasticsearch cluster on Kubernetes with 2x data, 2x master and 2x client nodes (each container on sepearete physical node) i get the following error in client-node: [2019-01-28T12:25:08,574][WARN ][o.e.d.z.UnicastZenPing ]…
yvr
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How to run a docker image on kubernetes that accepts command line arguments?

My question is similar to this one. I have a docker image, that contains a python file that accepts arguments from command line using sys.stdin(). I can run the image using the following command cat file.csv | docker run -i -t my_image It pipes…
sid0972
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How to autoscale Kubernetes cluster on AWS

I created kubernetes cluster on aws ec2 using kubeadm. Now I need to autoscale the K8's cluster when there are not enough resources on nodes to schedule new pods, How can I achieve autoscaling feature for my cluster?
satya
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Can you run a kubernetes cluster inside a kubernetes cluster?

Let's say you have a large organisation that is running its own kubernetes cluster on bare metal. The idea is that different business units in this organisation can get cloud resources 'on demand' and do what they want on it. To this end you could…
dwjohnston
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How to get a file out of a failed build-pod from OpenShift?

I have a buildconfig on OpenShift which fails to build. The output tells me that the server.log file might contain more info. But OpenShift is deleting the build-pod immediately after the run, so I can't access the file. I'm not quite familar with…
sinned
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Can I create a deployment from a list of pods?

My application isn't fully stateless yet, and part of it needs one stateful service per customer. Is there a way I can create a deployment that creates and maintains a single pod for each of a list of cust-foo, cust-bar etc, or do I need to create…
Isvara
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Resolving CoreDNS Loop Error

I am trying to resolve a loop error with CoreDNS as part of a 2-node Kubernetes cluster. The issue is thoroughly documented (below), but I am not strong on dns and networking so am having trouble working through it. Core DNS doco:…
Bryon
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LB Kubernetes on Google Cloud, http request refused

I create a LB Kubernetes service and define to accept traffic from both port 80 and 443. but my http request is dropped my connection to my application.
Ghazal
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Kube dashboard and calico network in pending state

I am following the below blog to create a kubernetes cluster (on AWS EC2). https://www.edureka.co/blog/install-kubernetes-on-ubuntu I completed executing the commands till master config. But dashboard and calico network is stuck on pending state.…
serverstackqns
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GKE nodes fail to upgrade

I hope this is the right place to ask, I've followed all the support links from the GCP console which have led me here! In the past I would frequently keep my GKE k8s master and nodes up to date using the GCP console. This all worked seamlessly...…
Paul
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Kubernetes API Server Healthcheck Address with kubeadm

I'm attempting to start a kubernetes cluster on a machine that has two ip-addresses with kubeadm v1.13.1. I'd like the kube-apiserver process to bind to one of them specifically. I've been successfull in doing this with the following configuration…
Albert
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regarding externalIp of nginx ingress

Is it mandatory to use the externlIPs field for nginx ingress controller when I'm having the type a Loadbalancer? apiVersion: v1 kind: Service metadata: name: ingress-nginx namespace: ingress-nginx labels: app: ingress-nginx spec: type:…
rufus
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How to make GKE Services visible to another GKE cluster running in a different VPC

I am struggling to make Services become visible though peered VPC. I have two GKE clusters (cluster-A and cluster-B) each of then in a different VPC. I've created a VPC network peering connecting both VPC's. I followed the instructions to enable…
Diego Marangoni
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