Difference between revisions of "Kubelet"
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| Line 33: | Line 33: | ||
* <code>[[--kubelet-insecure-tls]]</code> | * <code>[[--kubelet-insecure-tls]]</code> | ||
* <code>[[MemoryPressure]]</code> | * <code>[[MemoryPressure]]</code> | ||
| − | * [[kubectl get events]] [[Starting kubelet]] | + | * <code>[[kubectl get events]] [[Starting kubelet]]</code> |
| − | * <code>[[cloud-node-lifecycle-controller]] | + | * <code>[[cloud-node-lifecycle-controller]]</code> |
| − | * [[Node-pressure Eviction]]</code> | + | * <code>[[Node-pressure Eviction]]</code> |
* <code>[[kind: KubeletConfiguration]]</code> | * <code>[[kind: KubeletConfiguration]]</code> | ||
* <code>[[oom_score_adj]]</code> | * <code>[[oom_score_adj]]</code> | ||
Revision as of 15:49, 2 January 2023
kubelet process in Kubernetes is responsible for running containers on the node
- Configuration:
/etc/kubernetes/kubelet.conf - Logs:
- Port:
kubeletlisten on port 10250
- Installation Ubuntu:
snap install kubelet --classic(snap stop kubelet.daemonorsnap start kubelet.daemon) - Kubelet logs
Commands
systemctl start snap.kubelet.daemon.service systemctl stop snap.kubelet.daemon.service
snap start kubelet.daemon Started. systemctl status snap.kubelet.daemon.service
Networking
The Container Network Interface (CNI) plugin is selected by passing kubelet the --network-plugin=cni
Related terms
- Liveness probe: (
livenessProbe) - Readiness probe: (
readinessProbe) systemctl stop snap.kubelet.daemon.servicekubectl describe pods | grep Unhealthy- Kubelet Container Runtime Interface (CRI)
systemctl status kubeletgcloud logging read projects/yourproject/logs/kubelet- Kubernetes controller manager
Conditions:kubelet is posting ready status. AppArmor enabled--kubelet-insecure-tlsMemoryPressurekubectl get events Starting kubeletcloud-node-lifecycle-controllerNode-pressure Evictionkind: KubeletConfigurationoom_score_adj
Activities
News
- 05/2022 Kubernetes 1.24:
dockershimremoved fromkubelet
See also
kubelet, Pod Lifecycle Event Generator (PLEG), Kubelet conditions,/etc/kubernetes/kubelet.conf, /var/log/kubelet.log, Kubelet Container Runtime Interface (CRI),crictl,context deadline exceeded, E1122, E1124, Starting kubelet, NodeHasDiskPressure, NodeHasInsufficientMemory, rebooted, Node-pressure Eviction, Kubelet logs,manager: kubelet- Kubernetes Components,
kube-proxy, kube-scheduler, kube-apiserver, kubelet, kubectl, kubeadm, Kubernetes controller manager, Kubernetes controllers, Kubernetes Addons, Kubernetes Topology Manager
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