Difference between revisions of "Kubeadm"

Latest revision as of 09:14, 3 December 2022

kubeadm^[1] is a tool released in Kubernetes 1.13 in December 2018 for creating Kubernetes clusters.

kubeadm --help
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 config images pull

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

v1.18 Kubeadm: reject a node joining the cluster if a node with the same name already exists

v1.24, v1.23, v1.20 Use kubeadm to install a basic cluster
v1.23 Perform a version upgrade on a Kubernetes cluster using kubeadm
v1.18 Install and use kubeadm to install, configure and manage Kubernetes clusters.

@@ Line 5: / Line 5: @@
 == Installation ==
 * [[macOS]]: not [[homebrew]] package
-* [[Ubuntu]]: <code>[[snap install]] kubeadm --classic</code>
+* [[Ubuntu]]: <code>[[snap install kubeadm --classic]]</code>
 == Commands ==
@@ Line 28: / Line 28: @@
 == [[CKA]] ==
+* [[v1.24]], [[v1.23]], [[v1.20]] [[Use kubeadm to install a basic cluster]]
 * [[v1.23]] Perform a [[version upgrade]] on a Kubernetes cluster using kubeadm
-* [[v1.23]] [[Use kubeadm to install a basic cluster]]
-* [[v1.20]] Use <code>kubeadm</code> to install a basic cluster
 * [[v1.18]] Install and use kubeadm to install, configure and manage Kubernetes clusters.