\The Submariner add-on for Red Hat Advanced Cluster Management (ACM) allows direct connectivity between pods and services on different Kubernetes clusters.
70 How do I tell when/if/why a container in a kubernetes cluster restarts? 2 When upgrading nodes, why does kubernetes terminate pods before the new pod is in a ready state? 0 kubernetes persistent volume cannot be created "the server could not find the requested resource" 0 ...
NAMEREADYSTATUSRESTARTSAGEpod/bb-demo-7ffb568776-6njfg0/1ImagePullBackOff011mNAMETYPECLUSTER-IPEXTERNAL-IPPORT(S)AGEservice/bb-entrypointNodePort10.152.183.2<none>8080:30001/TCP11mservice/kubernetesClusterIP10.152.183.1<none>443/TCP4dNAMEREADYUP-TO-DATEAVAILABLEAGEdeployment.apps/bb-demo0/11011mNAMEDE...
What I am trying to achieve: I have the IP address of a cluster resource (10.1.239.128 in the examples below) and want to figure out to which POD/service/... it belongs. I set up a Kuebernetes cluster using Microk8s running, among others, vault and cert-manager via Hel...
In this blog, I have added step-by-step guides to upgrade the Kubernetes cluster using Kubeadm. It is one of the important tasks in the CKA Exam.
To rename a Kubernetes cluster, you need to update the cluster name in the cluster's API server configuration. Here are the steps to do this: Stop the API server: kubectl drain <node-name> --ignore-daemonsets kubectl delete node <node-name> Edit the API server configuration file: su...
Did you find any solution? I am still facing the same issue. I tried to setup a normal cluster, it worked fine. Now that I am setting up a HA cluster, I am getting this error. I am new to Kubernetes so I am still discovering and trying out things ...
finally, we’re ready to initialize the provider on our local management cluster, then create the new worker cluster on azure: % clusterctl init --infrastructure azure % clusterctl generate cluster ${cluster_name} --kubernetes-version ${kubernetes_version} > cluster.yaml % kubectl apply -f ...
Introduction tothe second part of the Kubernetes monitoring public class: How to find abnormalities in services and workloads in Kubernetes. Sharing consists of three parts: 1. There are pain points in Kubernetes abnormal location; 2. In view of these pain points, how can Kubernetes monitoring fi...
This is an incredibly huge workaround, but I was able to get the container IDs with the following: Put a cAdvisor daemonset in the cluster Setup a cAdvisor service withexternalTrafficPolicy: Localset Use the downwards API to expose the pod's name as an environment variable ...