For Kubernetes to work properly, cluster nodes need to communicate without interruptions. To ensure smooth networking, adjustSELinuxpermissions andopen the necessary portson each machine: 1. Change the SELinux mode topermissivewith thesetenforcecommand: sudo setenforce 0 2. Enter the followingsed comma...
Kubernetes tools like Kubeadm, kubectl and kubelet are not available in the default package repositories of Rocky Linux 9 or AlmaLinux 9. So, to install these tools, add the following repository on all the nodes. $ cat <<EOF | sudo tee /etc/yum.repos.d/kubernetes.repo [kubernetes] name=...
$ kubectl get nodes To make nodes in ready state and to enable cluster dns service (coredns) , install pod network ad-on (CNI – Container Network Interface). Pods will start communicating each other once pod network ad-on is installed. In this guide, I am installing calico as network ad...
To make your pods talk to each other, you need a pod network add-on on your cluster. Many people use Calico for this. You can install it with: kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml Step 5: You need to use the kubeadm join command to connect worker n...
kubectl get pods -ACopy Output: Kubernetes Cluster Status You can see that the coredns pod is pending, and the status should change once you install the pod network. Deploy Pod Network Add-on We need to set up a pod network add-on on the cluster so that pods can communicate with each ...
# kubectl get nodes Check Status of Nodes At this point, you will also notice that the status of themaster-nodeis ‘NotReady’. This is because we are yet to deploy thepod networkto the cluster. Thepod Networkis the overlay network for the cluster, that is deployed on top of the prese...
Step 2: Installkubelet,kubeadm, andkubectl These 3 basic packages are required to be able to use Kubernetes. Install the following package(s) on each node: sudo yum install -y kubelet kubeadm kubectl systemctl enable kubelet systemctl start kubelet ...
How to Install and Use crictl on Linux Using 10 Easy Steps Also Read:Solved: "Kubectl error: You must logged in to the Server (Unauthorized)" Step 1: Prerequisites a) You should have a runningLinux(in my case, it isUbuntu 20.04 LTS) Server. ...
$ sudo snap install kubectl Now try using Kubectl to access your cluster: $ kubectl get nodes NAME STATUS ROLES AGE VERSION docker-desktop Ready control-plane 22m v1.25.0 Thedocker-desktopnode shows asReadyso you can start creating Pods: ...
2、 安装Kubectl sudo apt-get update# sudo apt-cache madison kubectlsudo aptinstallkubectl="1.22.7-00" 安装Minikube 1、安装minikube sudo curl -Lo minikube https://github.com/kubernetes/minikube/releases/download/v1.28.0/minikube-linux-amd64 && \ ...