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Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env" Writing kubelet configuration to file "/var/lib/kubelet/config.yaml" Downloading configuration for the kubelet from the "kubelet-config-1.16" ConfigMap in the kube-system namespace FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml' # Use the info from the kubeadm init command Now add the worker node to the cluster # Log into the worker node as user student Then you can join any number of worker nodes by running the following on each as root: Kubeadm join k8smaster:6443 -token yv8otv.act8e9865fcgg2mt \ You can now join any number of control-plane nodes by copying certificate authoritiesĪnd service account keys on each node and then running the following as root: You should now deploy a pod network to the cluster. Sudo chown $(id -u):$(id -g) $HOME/.kube/config Sudo cp -i /etc/kubernetes/nf $HOME/.kube/config To start using your cluster, you need to run the following as a regular user: Your Kubernetes control-plane has initialized successfully! Make sure there is no overlap with the Calico network which is 192.168.0.0/16 by default. Login to the Kubernetes master node and create the cluster with the Calico network. # Add the 2 hosts ip-addresses to /etc/hostsġ0.0.2.7 k8smaster
#Kubeadm centos 7 install
Yum install -y kubelet kubeadm kubectl -disableexcludes=kubernetes # Install te latest kubelet, kubeadm and kubectl Sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config I configured a 8 GB of memory and a maximum of 40 GB disk space. Make sure the servers have at least 2 vcpu. Install 2 servers with a minimal installation of CentOS 7 with a regular user.
#Kubeadm centos 7 windows 10
Everything is installed on Oracle VM VirtualBox on a Windows 10 host. Kubernetes is not working with CentOS 8 yet so I have used the latest CentOS 7. Installed a first Kubernetes cluster consisting of 1 master node and 1 worker node on CentOS 7.