DATA MANAGEMENT RESEARCH

kubernetes – How to run kubectl commands inside docker container cron job

1.kubectl commands giving response in container terminal and getting cluster-info. [root@cronjob-cj-m1dr3tsda-aw5rv /]# kubectl cluster-info Kubernetes control plane is running at 172.20.0.1:443 CoreDNS is running at 172.20.0.1:443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy 2.We have crontab running…Read morekubernetes – How to run kubectl commands inside docker container cron job

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software installation – There is no config file when I install “kubeadm/kubelet/kubectl” via “apt” or “snap” on Ubuntu 22.04LTS!

I just installed Kubernetes following this instruction: kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/ on my Ubuntu desktop 22.04 LTS. When I try this command sudo kubectl cluster-info for example, I get this result: To further…Read moresoftware installation – There is no config file when I install “kubeadm/kubelet/kubectl” via “apt” or “snap” on Ubuntu 22.04LTS!

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kubernetes – Kubectl client and server version mismatch

I have installed kubectl cli and minikube v1.21.0 version. Below is how it looks: minikube version minikube version: v1.21.0 commit: 76d74191d82c47883dc7e1319ef7cebd3e00ee11 kubectl version Client Version: version.Info{Major:”1″, Minor:”21″, GitVersion:”v1.21.0″, GitCommit:”cb303e613a121a29364f75cc67d3d580833a7479″, GitTreeState:”clean”,…Read morekubernetes – Kubectl client and server version mismatch

DATA MANAGEMENT RESEARCH

In the cgroupv2 environment, kubectl top node cannot obtain the utilization of cpu and memory – kubernetes/kubernetes

What happened? In the cgroupv2 environment,kubectl top node cannot obtain the utilization of cpu and memory. use NODE_NAME=<Name of node in your cluster> kubectl get –raw /api/v1/nodes/$NODE_NAME/proxy/metrics/resource and NODE_NAME=<Name of…Read moreIn the cgroupv2 environment, kubectl top node cannot obtain the utilization of cpu and memory – kubernetes/kubernetes

3D PRINTING RESEARCH

jq – Use kubectl find out how many Deployments don’t have a container called “main”

[*] The below command would print the deployment name and the container names. grep -v would filter out whatever you need to remove. kubectl get deployment -o custom-columns=””DEPLOYMENT-NAME”:.metadata.name,”CONTAINER-NAME”:.spec.template.spec.containers[*].name” DEPLOYMENT-NAME CONTAINER-NAME…Read morejq – Use kubectl find out how many Deployments don’t have a container called “main”