Why do AWS IAM policies almost always use Version 2012-10-17? This post explains what that version actually means, how it differs from service API versions, and what happens if you leave it out.

Learn how to add an admin user for a specific namespace in AWS EKS, including IAM Policy, EKS Access Entry, Role, RoleBinding, ClusterRole, and ClusterRoleBinding setup.

Kubernetes Pod Logs Guide: Quickly View Logs from Multiple Pods with kubectl. Practical steps, common pitfalls, and commands you can apply quickly.

Containers in EC2 Cannot Obtain Expected Permissions via IAM Instance Profile Role. Practical steps, common pitfalls, and commands you can apply quickly.

How to prevent cronjob execution failure on EKS from causing Worker Node auto-extension failure. Practical steps, common pitfalls, and commands you can apply quickly.

使用 User Data 為 Linux EC2 建立初始資料. Practical notes and implementation steps.

Grafana GPG Key 過期. Practical notes and implementation steps.

GitLab CI_PIPELINE_IID Reset: What You Can (and Can?) Do. Practical steps, common pitfalls, and commands you can apply quickly.

How to Reset Jenkins Build Numbers. Practical steps, common pitfalls, and commands you can apply quickly.

Why I Started Writing Tech Articles. Practical steps, common pitfalls, and commands you can apply quickly.