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Divine Odazie is on the path to becoming a KubeStronaut, needing just two more certifications to achieve this prestigious title. With expertise in Kubernetes (CKA, CKAD, KCNA) and AWS, Divine’s journey highlights the importance of Cloud Native skills in DevOps.
You Should Know:
Essential Kubernetes Commands for Certification Prep
1. Check Cluster Status
kubectl cluster-info
2. List All Pods
kubectl get pods --all-namespaces
3. Describe a Pod
kubectl describe pod <pod-name> -n <namespace>
4. Debug a Failing Pod
kubectl logs <pod-name> -n <namespace>
5. Access a Pod via Shell
kubectl exec -it <pod-name> -n <namespace> -- /bin/sh
AWS CLI Commands for Cloud Native Engineers
1. List EKS Clusters
aws eks list-clusters
2. Update Kubernetes Config
aws eks update-kubeconfig --name <cluster-name>
3. Check Node Status
kubectl get nodes
Steps to Prepare for CKA/CKAD Exams
1. Practice with Killer.sh Simulator
kubectl run test-pod --image=nginx --restart=Never
2. Master `kubectl` Shortcuts
alias k=kubectl
3. Use `kubectl explain` for Documentation
kubectl explain pod.spec.containers
What Undercode Say
Achieving Kubernetes certifications (CKA, CKAD, KCNA) requires hands-on practice. Use minikube or Kind for local Kubernetes clusters:
minikube start --driver=docker
For etcd backup & restore (critical for CKA):
ETCDCTL_API=3 etcdctl snapshot save /tmp/etcd-backup.db
Learn Helm for Kubernetes package management:
helm install my-release bitnami/nginx
Finally, automate deployments with Kustomize:
kubectl apply -k ./overlays/prod
Expected Output:
- Kubernetes Documentation: kubernetes.io/docs
- AWS EKS Guide: AWS EKS Docs
- Killer.sh Practice: killer.sh
(Word count: ~70 lines)
References:
Reported By: Divine Odazie – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
