Articles

Guides, reviews, and notes

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  Certified Kubernetes Administrator (CKA) Review

  Published:Mar 31, 2026 |  at 02:22 PM

  An honest CKA exam review covering what it really takes to pass - from hands-on lab practice to the resources and mindset that actually make the difference.

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  Access Kubernetes NodePort Services with Subdomains

  Published:Jan 8, 2026 |  at 07:50 AM

  Expose Kubernetes NodePort services via subdomains using wildcard DNS and NGINX, without an Ingress controller.

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  Presenterm

  Published:Dec 2, 2025 |  at 02:56 PM

  Why I like Presenterm for tech talks: write slides in Markdown, keep them in git, get code highlighting, diagrams and images, and present everything directly from the terminal.

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  01 - a GNU Core Utility - ls

  Published:Aug 9, 2025 |  at 06:53 PM

  Master the Linux ls command with this complete guide covering basic to advanced options, hidden features, and modern alternatives to boost your terminal productivity.