DevOps/Kubernetes/kubeadm

Kubeadm is a tool released in Kubernetes 1.13 in December 2018 for creating Kubernetes clusters.

• kubeadm init to bootstrap a Kubernetes control-plane node
  • kubeadm init --pod-network-cidr=10.244.0.0/16
• kubeadm join to bootstrap a Kubernetes worker node and join it to the cluster
  • kubeadm join --control-plane
• kubeadm upgrade to upgrade a Kubernetes cluster to a newer version
• kubeadm config if you initialized your cluster using kubeadm v1.7.x or lower, to configure your cluster for kubeadm upgrade
• kubeadm token to manage tokens for kubeadm join
• kubeadm reset to revert any changes made to this host by kubeadm init or kubeadm join
• kubeadm version to print the kubeadm version
• kubeadm alpha to preview a set of features made available for gathering feedback from the community

See also

• kubectl
• Jenkins-X