# Posts tagged "kubernetes"

- [India's first heritage city, Gujarat's first KCD](https://rushabhshah.dev/blog/kcd-gujarat-2026-ahmedabad-guide/) (2026-09-01): Gujarat's first KCD is in Ahmedabad on 19 September. The city from a local: where to eat, the 600-year-old pols, and what nobody warns you about.
- [Prometheus PCA and OpenTelemetry OTCA, reviewed](https://rushabhshah.dev/blog/pca-otca-review/) (2026-08-30): Two multiple-choice, $250 CNCF associate exams for observability: Prometheus PCA leans on PromQL, OTCA leans on the OpenTelemetry API and SDK. Here's an honest read on both, and which to take first.
- [CKA exam day: PSI bridge, terminal, kubectl aliases](https://rushabhshah.dev/blog/cka-exam-day-setup/) (2026-08-28): The logistics nobody mentions until exam day: PSI Secure Browser setup, what the exam terminal actually gives you, kubectl aliases worth memorizing, and how to manage the clock.
- [Kubernetes v1.37 (Garhwal): 52 forts, 67 changes, and what actually breaks](https://rushabhshah.dev/blog/kubernetes-v1-37-garhwal/) (2026-08-26): A complete, plain-language guide to Kubernetes v1.37 Garhwal: every Stable graduation, the Beta features now on by default, working YAML for the ones you'll use, and the four changes that can stop your upgrade dead.
- [What the CKA actually tests in 2026](https://rushabhshah.dev/blog/cka-exam-guide/) (2026-08-26): The CKA is a live-terminal, performance-based exam against real clusters, not multiple choice. Here's the format, what it actually covers, how to practice, and where people lose time.
- [Is KCNA worth $250 as a first certification](https://rushabhshah.dev/blog/kcna-worth-it/) (2026-08-24): KCNA is multiple choice, has no prerequisite, and is the cheapest cert in the Linux Foundation catalog. Here's what it actually covers, and who should skip it entirely.
- [The Kubestronaut path and what it really costs](https://rushabhshah.dev/blog/kubestronaut-path-cost/) (2026-08-22): Kubestronaut means holding five CNCF certifications at once: KCNA, KCSA, CKA, CKAD, and CKS. Here's the real cost breakdown, a realistic study timeline, and who it's actually for.
- [CKA vs CKAD vs CKS: which to take first](https://rushabhshah.dev/blog/cka-vs-ckad-vs-cks/) (2026-08-20): CKA, CKAD, and CKS all share the same live-terminal format and the same $445 price tag, but they certify very different jobs. Here's who each one is for and what order makes sense.