Today there was again a not immediately understandable error in the Kubernetes cluster. I have an OKD (OpenShift) cluster 4.5 with 3 masters and 2 workers running here. After a number of nodes became unavailable, I rebooted the entire cluster once. Unfortunately, the initiated reboot took a long time for some nodes. Therefore, I restarted„Kubernetes / OpenShift Error „layer not known““ weiterlesen
Schlagwort-Archive:Kubernetes
Kubernetes YAML Templates with kubectl
Writing YAML files for kubernetes can be tedious and annoying. However, in many cases „kubectl“ can help to quickly and easily create a template for a specific YAML file. „kubectl“ is the central management tool for a Kubernetes cluster. Besides querying and creating cluster information via the kubernetes API, kubectl can also generate YAML of„Kubernetes YAML Templates with kubectl“ weiterlesen
Kubernetes Cluster with Kubespray
Minikube is all well and good for developing Kubernetes pods and deployments and testing them locally. But how can you install a real Kubernetes cluster in your own data center? Of course, this can be done the hard way or via the installation with kubeadm. Especially the first variant is very complex and error-prone. The„Kubernetes Cluster with Kubespray“ weiterlesen
Kubernetes / OpenShift Fehler „layer not known“
Heute gab es wieder einen nicht gleich nachvollziehbaren Fehler im Kubernetes Cluster. Ich habe hier einen OKD (OpenShift) Cluster 4.5 mit 3 Mastern und 2 Workern laufen. Nachdem vermehrt Knoten nicht mehr verfügbar waren, habe ich den kompletten Cluster einmal durchgestartet. Leider hat bei einigen Knoten der initiierte Reboot sehr lang gebraucht. Daher habe ich„Kubernetes / OpenShift Fehler „layer not known““ weiterlesen
SaxonyDevOps 