Prepare Golang program code use clean up unused pods and replicaset resources in kubernetes we can clean up not running status pods and deactive replicasets initialization Go lanugage project evnironment 1 mkdir k8s_res_cleanup && cd k8s_res_cleanup 2 go mod init example.com/cleanup/resources 3 go get -v -u …

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When we repeatedly install the Metrics-Server, because we use helm to install it, deleting one of them will cause the following error when executing the command related to kubectl top nodes: Error from server (NotFound): the server could not find the requested resource (get services http:heapster:) A large part of this …

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Append the nginx ingress http redirect to https Add extra port to nginx deployment for example: 8080, look like following 1ports: 2 - name: http 3 containerPort: 80 4 protocol: TCP 5 - name: https 6 containerPort: 443 7 protocol: TCP 8 - name: webhook 9 containerPort: 8443 10 protocol: TCP 11 - name: http-redirect 12 …

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Installing or Upgrade Velero client on Mac OS: 1 brew install velero 2 HOMEBREW_NO_AUTO_UPDATE=1 brew upgrade velero #upgrade to the latest version if maybe The Velero should use object store save the snapshot. so we use Minio as kubernetes object store.Minio launched as part of docker-compose.yaml 1 minio: 2 …

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We use default service domain name ${servicename}.${namespace}.svc.cluster.localin kubernetes cluster, however the custom private domain name in private k8s networks frequently used. we can use coredns component reparse the private domain name to default CNAME. change coredns configmap add custom domain name config to …

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