WordPress hides most of the database work… until you move a site, add custom tables, or keep multiple environments in sync. This article walks through how WordPress handles schema changes, what you can control as a developer, the tools that help, and the migration anti-patterns to avoid.
Blue/green deployments on EC2 keep two production-grade environments behind an ALB so you can verify the new version, flip traffic instantly, and roll back just as fast.
Default your Linux servers to UTC for stable scheduling, clean logs, and easier multi-region ops. When humans or regulations require local time, use a hybrid: OS and storage in UTC, presentation in local. This guide explains trade-offs and shows exact commands for Ubuntu, RHEL, Amazon Linux, SUSE, Arch, and Alpine.
Runbooks are the operational “recipes” teams use to execute recurring tasks and respond to incidents—consistently, quickly, and safely. This article traces the term from mainframe binders to modern SRE practice, explains when and why to write runbooks, and breaks down what effective ones include. You’ll also get a copy-ready template and practical guidance for keeping runbooks versioned, tested, and easy to find.
Still have legacy IAM users? This guide shows how to enforce MFA with a simple explicit-deny policy that blocks all actions unless MFA is present—yet preserves just enough access to enroll devices or obtain temporary session tokens. We cover rollout options, SCP usage, exception patterns, monitoring, and common pitfalls.
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