rancher-docs/versioned_docs/version-2.15/troubleshooting/general-troubleshooting.md

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General Troubleshooting

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This section contains information to help you troubleshoot issues when using Rancher.

• Kubernetes components

  If you need help troubleshooting core Kubernetes cluster components like:

  • etcd
  • kube-apiserver
  • kube-controller-manager
  • kube-scheduler
  • kubelet
  • kube-proxy
  • nginx-proxy

• Kubernetes resources

  Options for troubleshooting Kubernetes resources like Nodes, Ingress Controller and Rancher Agents are described in this section.

• Networking

  Steps to troubleshoot networking issues can be found here.

• DNS

  When you experience name resolution issues in your cluster.

• Troubleshooting Rancher installed on Kubernetes

  If you experience issues with your Rancher server installed on Kubernetes

• Logging

  Read more about what log levels can be configured and how to configure a log level.

• User ID Tracking in Audit Logs

  Read more about how a Rancher Admin can trace an event from the Rancher audit logs and into the Kubernetes audit logs using the external Identity Provider username.

• Expired Webhook Certificates

  Read more about how to rotate a Rancher webhook certificate secret after it expires on an annual basis.