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Jul 16, 2026How I Passed the CKA in 2026
I sat the Certified Kubernetes Administrator exam recently. As of writing this, I don't actually know...
Jul 16, 20265 min read0 reactions0 comments
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Jul 10, 20262026 CKA Exam - Scenario 8 Install a CNI and fix the flannel pod-CIDR mismatch (CKA Services & Networking)
Install a CNI and fix the pod-CIDR mismatch The cluster is running, but every node is...
Jul 10, 20267 min read0 reactions0 comments
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Jul 13, 2026Demystifying the CKA: A Production-Grade Guide to Kubernetes Cluster Administration
Executive Summary Navigating the cloud-native ecosystem requires moving past abstraction...
Jul 13, 202614 min read0 reactions0 comments
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Jun 29, 2026CKA Scenario 5 - Force nginx to TLS 1.3 with a ConfigMap edit + rolling restart (CKA Workloads)
Force nginx to TLS 1.3 An nginx server is accepting an old TLS version, and the exam wants...
Jun 29, 20264 min read0 reactions0 comments
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Jul 1, 2026Autoscale a Deployment with an HPA, including the field kubectl autoscale can't set (CKA Workloads)
A CKA Workloads & Scheduling walkthrough: autoscale a Deployment on CPU with a HorizontalPodAutoscaler. See why kubectl autoscale can't set a scaleDown stabilization window, author the autoscaling/v2 manifest (CPU target in metrics[] plus a behavior block), and verify min, max, target, and the 30s window, with real terminal output.
Jul 1, 20265 min read0 reactions0 comments
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Jun 22, 2026CKA Exam 2026 Scenario 3 - Pick the least-permissive NetworkPolicy to connect two namespaces (CKA)
The Least-Permissive Policy Two deployments in two namespaces need to talk, but a...
Jun 22, 20264 min read0 reactions0 comments
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Jun 29, 2026CKA Exam 2026 - Scenario 6 Migrate an Ingress to the Gateway API without dropping HTTPS (CKA Services & Networking)
Migrate Ingress to the Gateway API A web application is exposed over HTTPS with a classic...
Jun 29, 20265 min read0 reactions0 comments
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Jun 20, 2026CKA Exam study 2026 Scenario 1 - The etcd Endpoint Trap
The etcd Endpoint Trap A cluster migration just took your whole control plane offline. In...
Jun 20, 20266 min read0 reactions0 comments
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Jun 20, 2026Overcoming Imposter Syndrome: Strategies After Failing C.KA Exam Twice and Communicating with Employer
Understanding Imposter Syndrome and Its Impact Imposter syndrome is a pervasive...
Jun 20, 20268 min read0 reactions0 comments
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Jun 25, 2026Certified Kubernetes Administrator (CKA) for High-Performance Cloud Operations
Introduction In today’s cloud-native ecosystem, Kubernetes has become the de facto standard for...
Jun 25, 20266 min read0 reactions0 comments
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Jun 24, 2026Certified Kubernetes Administrator Certification Guide for Kubernetes Careers
Introduction The Certified Kubernetes Administrator CKA Certification Guide for...
Jun 24, 202616 min read0 reactions0 comments
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Jun 20, 2026Scenario 2 - Recover a deleted Deployment from a Retain-policy volume (CKA Storage)
The Retained Volume Someone deleted a database deployment by accident. The good news: the...
Jun 20, 20263 min read0 reactions0 comments