In Kubernetes, to troubleshoot services, verify if the pods are running and check service and port configurations. The Traefik ingress routes traffic based on set rules, which can complicate routing problems. Notably, Traefik deploys across multiple namespaces, allowing broader access but potentially causing issues. It's essential to gather useful IP information from Kubernetes cluster nodes and services. Access logs provide valuable error details; however, excessive errors can obscure useful insights. Conducting network checks within the same namespace helps identify potential issues with services, such as MongoDB.
In Kubernetes troubleshooting, it's essential to check if the pod is running properly, verify service and pod port connections, and ensure Traefik routing is correct.
Traefik can see all ingress route custom resources across all namespaces which might not always be ideal, although it allows using one Traefik instance for all namespaces.
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