Difference between revisions of "Kubeadm"
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| + | <code>kubeadm</code><ref>https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm/</ref> is a tool released in [[Kubernetes 1.13]] in December 2018 for creating Kubernetes clusters. | ||
| + | * https://kubernetes.io/docs/reference/setup-tools/kubeadm/ | ||
| − | * <code>kubeadm init</code> to bootstrap a Kubernetes control-plane node | + | == Installation == |
| + | * [[macOS]]: not [[homebrew]] package | ||
| + | * [[Ubuntu]]: <code>[[snap install kubeadm --classic]]</code> | ||
| + | |||
| + | == Commands == | ||
| + | * <code>[[kubeadm --help]]</code> | ||
| + | * <code>[[kubeadm init]]</code> to bootstrap a Kubernetes [[control-plane]] node | ||
** <code>[[kubeadm init]] --[[pod]]-network-cidr=10.244.0.0/16</code> | ** <code>[[kubeadm init]] --[[pod]]-network-cidr=10.244.0.0/16</code> | ||
| − | * <code>kubeadm join</code> to bootstrap a Kubernetes worker node and join it to the cluster | + | * <code>[[kubeadm join]]</code> to bootstrap a Kubernetes worker node and join it to the cluster |
** <code>kubeadm join --control-plane</code> | ** <code>kubeadm join --control-plane</code> | ||
| − | * <code>kubeadm upgrade</code> to upgrade a Kubernetes cluster to a newer version | + | * <code>[[kubeadm upgrade]]</code> to upgrade a Kubernetes cluster to a newer version |
| − | * <code>kubeadm config</code> if you initialized your cluster using kubeadm v1.7.x or lower, to configure your cluster for kubeadm upgrade | + | * <code>[[kubeadm config]]</code> if you initialized your cluster using kubeadm v1.7.x or lower, to configure your cluster for kubeadm upgrade |
:::<code>[[kubeadm config images pull]]</code> | :::<code>[[kubeadm config images pull]]</code> | ||
* <code>[[kubeadm token]]</code> to manage tokens for kubeadm join | * <code>[[kubeadm token]]</code> to manage tokens for kubeadm join | ||
| − | * <code>kubeadm reset</code> to revert any changes made to this host by kubeadm init or kubeadm join | + | * <code>[[kubeadm reset]]</code> to revert any changes made to this host by kubeadm init or kubeadm join |
| − | * <code>kubeadm version</code> to print the kubeadm version | + | * <code>[[kubeadm version]]</code> to print the kubeadm version |
| − | * <code>kubeadm alpha</code> to preview a set of features made available for gathering feedback from the community | + | * <code>[[kubeadm alpha]]</code> to preview a set of features made available for gathering feedback from the community |
| + | |||
| + | |||
| + | * Logs not available in files https://github.com/kubernetes/kubernetes/pull/42470 | ||
| + | |||
| + | == Changelog == | ||
| + | * [[v1.18]] Kubeadm: reject a node joining the cluster if a node with the same name already exists | ||
| + | == [[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 | ||
| + | * [[v1.18]] Install and use kubeadm to install, configure and manage Kubernetes clusters. | ||
| + | |||
| + | == Related terms == | ||
| + | * <code>[[kubectl]]</code> | ||
| + | * [[Snap install Kubernetes]]: <code>[[snap install]] kubeadm --classic</code> | ||
| + | * [[CNI]], [[CSI]] | ||
| + | * [[Deploy EKS cluster using Terraform]] | ||
| + | * [[k9s]] | ||
== See also == | == See also == | ||
* {{kubeadm}} | * {{kubeadm}} | ||
| − | |||
| − | |||
[[Category:Kubernetes]] | [[Category:Kubernetes]] | ||
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.
Installation[edit]
- macOS: not homebrew package
- Ubuntu:
snap install kubeadm --classic
Commands[edit]
kubeadm --helpkubeadm initto bootstrap a Kubernetes control-plane nodekubeadm init --pod-network-cidr=10.244.0.0/16
kubeadm jointo bootstrap a Kubernetes worker node and join it to the clusterkubeadm join --control-plane
kubeadm upgradeto upgrade a Kubernetes cluster to a newer versionkubeadm configif you initialized your cluster using kubeadm v1.7.x or lower, to configure your cluster for kubeadm upgrade
kubeadm tokento manage tokens for kubeadm joinkubeadm resetto revert any changes made to this host by kubeadm init or kubeadm joinkubeadm versionto print the kubeadm versionkubeadm alphato preview a set of features made available for gathering feedback from the community
- Logs not available in files https://github.com/kubernetes/kubernetes/pull/42470
Changelog[edit]
- v1.18 Kubeadm: reject a node joining the cluster if a node with the same name already exists
CKA[edit]
- 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.
Related terms[edit]
kubectl- Snap install Kubernetes:
snap install kubeadm --classic - CNI, CSI
- Deploy EKS cluster using Terraform
- k9s
See also[edit]
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