Ubuntu 26.04

MicroK8s : Enable Metrics Server2026/05/20

 

Enable Metrics Server add-on to monitor CPU and Memory resources in MicroK8s Cluster.

[1] Deploy Metrics Server on primary Node.
root@dlp:~#
microk8s enable metrics-server

Infer repository core for addon metrics-server
Enabling Metrics-Server
serviceaccount/metrics-server created
clusterrole.rbac.authorization.k8s.io/system:aggregated-metrics-reader created
clusterrole.rbac.authorization.k8s.io/system:metrics-server created
rolebinding.rbac.authorization.k8s.io/metrics-server-auth-reader created
clusterrolebinding.rbac.authorization.k8s.io/metrics-server:system:auth-delegator created
clusterrolebinding.rbac.authorization.k8s.io/system:metrics-server created
service/metrics-server created
deployment.apps/metrics-server created
apiservice.apiregistration.k8s.io/v1beta1.metrics.k8s.io created
clusterrolebinding.rbac.authorization.k8s.io/microk8s-admin created
sudo: preserving the entire environment is not supported, '-E' is ignored
sudo: preserving the entire environment is not supported, '-E' is ignored
No callback tokens file.

root@dlp:~#
microk8s kubectl get pods -n kube-system

NAME                                       READY   STATUS    RESTARTS   AGE
calico-kube-controllers-6d7fffdff7-srqp6   1/1     Running   0          6m42s
calico-node-cxjql                          1/1     Running   0          6m42s
coredns-66ffc85ffb-kkkvf                   1/1     Running   0          6m42s
hostpath-provisioner-5bcfc456c5-4tdr7      1/1     Running   0          5m11s
metrics-server-558b7f66d9-z8qnm            1/1     Running   0          53s
# [metrics-server] pod has been deployed
[2] To display CPU and Memory resources, run like follows.
root@dlp:~#
microk8s kubectl top node

NAME            CPU(cores)   CPU(%)   MEMORY(bytes)   MEMORY(%)
dlp.srv.world   108m         1%       1374Mi          8%

root@dlp:~#
microk8s kubectl top pod -n kube-system

NAME                                       CPU(cores)   MEMORY(bytes)
calico-kube-controllers-6d7fffdff7-srqp6   5m           13Mi
calico-node-cxjql                          17m          105Mi
coredns-66ffc85ffb-kkkvf                   1m           13Mi
hostpath-provisioner-5bcfc456c5-4tdr7      2m           8Mi
metrics-server-558b7f66d9-z8qnm            2m           18Mi
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