Articles

Guides, reviews, and notes

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  HashiCorp Vault Lab: Auto-unseal, LDAP Auth, and Team Policies

  Published:Jul 14, 2026 |  at 03:00 PM

  HashiCorp Vault auto-unseal (Azure HSM + Transit), LDAP auth mapped to team policies, and a KV v2 ACL design - a hands-on three-VM lab.

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  Secret Management with OpenBao and GitLab CI/CD

  Published:Jun 13, 2026 |  at 02:08 PM

  Five ways to get secrets into a deployed app with GitLab CI and OpenBao (Vault), from plain .env files to JWT/AppRole auth, a Vault Agent on the host, and live SDK fetches, plus the full self-hosted GitLab and OpenBao setup.

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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.