Category "kubernetes"

How to fix issue of 'Unable to connect to the server: EOF' Kubernetes - Kubectl

When I try any kubectl command, it always returns: Unable to connect to the server: EOF I followed these tutorials: https://kubernetes.io/docs/tasks/tools/ins

Kubernetes and Wildcard DNS records

Is it possible to setup my ingress with a wildcard so I can fetch images with repositoryname.hostname where repositoryname is the wildcard? I have Artifactory r

Unable to connect to the server: dial tcp: lookup <Server Location>: no such host

I'm beginning to build out a kubernetes cluster for our applications. We are using Azure for cloud services, so my K8s cluster is built using AKS. The AKs clust

Unable to export traces to OpenTelemetry Collector on Kubernetes

I am using the opentelemetry-ruby otlp exporter for auto instrumentation: https://github.com/open-telemetry/opentelemetry-ruby/tree/main/exporter/otlp The otel

Zeppelin+Spark+Kubernetes: Let Zeppelin Job run on existing Spark Cluster

In a k8s cluster. How do you configure zeppelin to run spark jobs in an existing spark cluster instead of spinning up a new pod? I've got a k8s cluster up and r

Can a single kubernetes job contain multiple pods with different parallelism definitions?

I have a batch job which breaks down in 3 tasks that each depend on the previous finishing before they can start: Run a single pod Run N pods in parallel (.spec

airflow kubernetes default setup ERROR: relation "log" does not exist at character 13

I deployed the default helm chart for airflow 2. The postgres pod is reporting an error: ERROR: relation "log" does not exist at character 13 This appears af

cannot mount NFS share on my Mac PC to minikube cluster

Problem To make k8s multinodes dev env, I was trying to use NFS persistent volume in minikube with multi-nodes and cannot run pods properly. It seems there's so

How to perform custom authentication with kubernetes Ingress

I have deployed few services in kubernetes and using NGINX ingress to access outside.(Using EC2 instance for all cluster setup). Able to access service through

How to merge kubectl config file with ~/.kube/config?

Is there a simple kubectl command to take a kubeconfig file (that contains a cluster+context+user) and merge it into the ~/.kube/config file as an additional co

Whats the brief factual difference between Kubernetes, Helm and Rancher (and others) [closed]

As a new starter in the world of DevOps, I've tried to find a one-pager that explains side by side what each of the following technologies do

Kustomize using Strategic Merge patch on helmreleases

We keep in our Flux repo our HelmReleases. We use Kustomize to edit some of the keys in the HelmReleases. I tried using Strategic Merge patch in order to append

"kubectl get pods -A" command not working

I installed Kubernetes in virtual BOX previously it was working properly but not it is showing The connection to the server 192.168.42.141:6443 was refused - d

What's the easiest way to setup Spinnaker in lab?

I am new to Spinnaker. I want to setup Spinnaker in my lab to test some pipeline deployments to K8s. I read through a lot of videos and websites teaching how to

Ingress vs Load Balancer

I am quite confused about the roles of Ingress and Load Balancer in Kubernetes. As far as I understand Ingress is used to map incoming traffic from the interne

PrometheusOperator Helm Chart: adding labels to default rules

I need to add a label to all default rules that come with the Helm chart. I tried setting the label under commonLabels in the values file, to no avail. I also t

What kubernetes permissions does GitLab runner kubernetes executor need?

I've installed GitLab runner on a kubernetes cluster under a namespace gitlab-runner. Like so # cat <<EOF | kubectl create -f - { "apiVersion": "v1",

Docker Desktop Kubernetes Unable to connect to the server: EOF

Earlier today I had increased my Docker desktop resources, but when ever since it restarted Kubernetes has not been able to complete its startup. Whenever I tr

Kubernetes: Exclude Node from default scheduling

Is it possible to create a node-pool that the scheduler will ignore by default but that can be targeted by node-selector?

Spot Instance "frequency of interruption" ratio get as scheduled

AWS announces "frequency of interruption" on the page without API in here: https://aws.amazon.com/ec2/spot/instance-advisor/ I need to get all types(255 pieces