curl -k https://registry.tuxnet.lan/v2/_catalog

Oder mit dem schöneren Tool reg

reg ls -k registry.tuxnet.lan

Docker Images in die private registry kopieren

skopeo copy docker://k8s.gcr.io/metrics-server/metrics-server:v0.5.0 docker://registry.tuxnet.lan/metrics-server/metrics-server:v0.5.0

oci-local -u -r registry.tuxnet.lan

crane delete "registry.tuxnet.lan/iot/fhem@$(crane digest registry.tuxnet.lan/iot/fhem:3.3.0)"

/etc/containerd/config.toml

  [plugins."io.containerd.grpc.v1.cri".registry]
    [plugins."io.containerd.grpc.v1.cri".registry.mirrors]
      [plugins."io.containerd.grpc.v1.cri".registry.mirrors."registry.tuxnet.lan"]
        endpoint = ["https://registry.tuxnet.lan:32568"]

• Vorbereitungen zum Joinen der weiteren control Nodes
• Sicherung der wesentlichen Dateien, insbesondere der Kubernetes Cluster PKI

sudo tar cf kubestrap.tar /etc/kubernetes/admin.conf /etc/kubernetes/audit.yaml /etc/kubernetes/manifests/lb.yaml /etc/kubernetes/pki/ca.* /etc/kubernetes/pki/front-proxy-ca.* /etc/kubernetes/pki/sa* /etc/kubernetes/pki/etcd/ca.*

Entpacken dann entsprechend

sudo tar xf kubestrap.tar -C /

kubeadm token create --dry-run --print-join-command

Auflisten aller Anfragen

kubectl get csr

Anfragen genehmigen

kubectl certificate approve <cert-name>

Anzeige der aktuellen Cluster Konfig

kubectl get cm -n kube-system kubeadm-config -oyaml

Ändern der Konfiguration

kubectl edit cm -n kube-system kubeadm-config

kubectl set image deployment/frontend www=image:v2               # Rolling update "www" containers of "frontend" deployment, updating the image
kubectl rollout history deployment/frontend                      # Check the history of deployments including the revision
kubectl rollout undo deployment/frontend                         # Rollback to the previous deployment
kubectl rollout undo deployment/frontend --to-revision=2         # Rollback to a specific revision
kubectl rollout status -w deployment/frontend                    # Watch rolling update status of "frontend" deployment until completion
kubectl rollout restart deployment/frontend                      # Rolling restart of the "frontend" deployment

apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: golang
  name: golang
  namespace: testing-chantal
spec:
  containers:
  - name: golang
    image: golang:bookworm
    tty: true
    stdin: true
    command: ["/bin/sh"]
    resources: {}
    volumeMounts:
    - name: bin
      mountPath: /go/psp-mig
  imagePullSecrets:
  - name: regcred
  dnsPolicy: ClusterFirst
  restartPolicy: Always
  volumes:
    - name: bin
      persistentVolumeClaim:
        claimName: pvc-golang
status: {}