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Kubernetes (K8s) is a powerful orchestration platform, but troubleshooting issues can be complex. Here are the top tools that help DevOps and SRE teams detect and resolve issues instantly:
1. Prometheus
A leading open-source monitoring and alerting toolkit, perfect for tracking Kubernetes metrics.
Key Commands:
Install Prometheus using Helm helm install prometheus prometheus-community/prometheus Query metrics kubectl port-forward svc/prometheus-server 9090
2. Grafana
Visualization tool that works seamlessly with Prometheus for dashboards.
Setup Steps:
helm install grafana grafana/grafana
kubectl get secret grafana -o jsonpath="{.data.admin-password}" | base64 --decode
3. Jaeger
Distributed tracing system for monitoring microservices.
Quick Deployment:
kubectl create namespace observability kubectl apply -f https://github.com/jaegertracing/jaeger-operator/releases/download/v1.42.0/jaeger-operator.yaml -n observability
4. Kiali
A service mesh observability tool for Istio.
Installation:
istioctl install --set profile=demo -y kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.18/samples/addons/kiali.yaml
5. ELK Stack (Elasticsearch, Logstash, Kibana)
Centralized logging solution.
Deployment:
helm install elasticsearch elastic/elasticsearch helm install kibana elastic/kibana
6. k9s (Terminal UI for K8s)
A faster alternative to `kubectl` for real-time cluster management.
Installation:
brew install k9s k9s
7. Kubernetes Lens
GUI for Kubernetes cluster management.
Download: https://k8slens.dev/
8. Kubecost
Cost monitoring for Kubernetes workloads.
Setup:
helm install kubecost cost-analyzer --repo https://kubecost.github.io/cost-analyzer/ --namespace kubecost --create-namespace
You Should Know:
- Use `kubectl logs
` to check pod logs.
– `kubectl describe pod` helps debug pod issues.
– `kubectl top nodes` shows resource usage. - Enable `kubectl debug` for live pod troubleshooting.
What Undercode Say:
Kubernetes observability is critical for maintaining high availability. Combining Prometheus + Grafana for metrics, ELK for logs, and Jaeger/Kiali for tracing ensures full-stack visibility. Always integrate k9s or Lens for quick debugging.
Expected Output:
A well-monitored Kubernetes cluster with real-time issue detection using the above tools.
Further Reading:
References:
Reported By: Nagavamsi What – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
