Difference between revisions of "Kubelet"
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* Configuration: <code>[[/etc/kubernetes/kubelet.conf]]</code> | * Configuration: <code>[[/etc/kubernetes/kubelet.conf]]</code> | ||
* Logs: <code>[[/var/log/kubelet.log]]</code> | * Logs: <code>[[/var/log/kubelet.log]]</code> | ||
| − | + | * Port: <code>kubelet</code> listen on [[List of TCP ports|port 10250]] | |
| − | |||
Revision as of 06:47, 5 July 2022
kubelet process in Kubernetes is responsible for running containers on the node
- Configuration:
/etc/kubernetes/kubelet.conf - Logs:
/var/log/kubelet.log - Port:
kubeletlisten on port 10250
[kubelet-check] The HTTP call equal to 'curl -sSL http://localhost:10248/healthz' failed with error: Get http://localhost:10248/healthz: dial tcp 127.0.0.1:10248: connect: connection refused.
Installation
- Ubuntu:
snap install kubelet --classic(snap stop kubelet.daemonorsnap start kubelet.daemon)
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 kubelet
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 - Kubernetes: distributions, tools, CKA, CKS, Kubernetes interfaces: CSI, CNI, installation, workloads, networking,
kubeadm,Kubernetes API, Kubernetes API Server,kubectl, kubeadm, kubelet, kube-proxy, Cloud services: EKS, GKE, TKE, DKS, Helm, Kubernetes RBAC, Kubernetes deployments, Minikube, Rancher, OpenShift, Charmed Kubernetes, Ingress, Kubernetes scheduler, Kubernetes Finalizers, logging, Kubernetes operator, Orka,kind:, Kubernetes namespaces, Kubernetes dashboard, Kubernetes Metrics Server, Field Selectors, CoreDNS, CRI, Kubernetes Topology Manager, Kubernetes governance: (SIG, KEP), Kustomize, controllers,ReadinessProbe, LivenessProbe, KOPS, K9s, Kui, k3s, ImagePullBackOff, PDB, EndPoints, Kots, metadata, Karpenter, Replicated.com, Kubernetes Authenticating, Kubernetes timeline, Changelog/Versions, service accounts, Kubernetes Pod Lifecycle, Kubernetes Conformance Certified, Kubernetes backup, Kubernetes Pod Security Admission, tEKS, Kubernetes events, Kubernetes ports, Kubernetes policies, Connect, addons, DoKC, Kubernetes control plane, Kubernetes Federation, Kubernetes info, Kubetest2, Sidecar (Kubernetes)
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