Tutorials

Field notes from keeping LAMP systems healthy.

A MySQL 5.7 to 8.0 Upgrade Checklist That Holds Up

May 19, 2026

The 8.0 upgrade is one-way, so the checklist matters: the upgrade checker, the vanished query cache, collation strategy, auth-plugin compatibility, and a rehearsal that doubles as a backup test.

PHP 8 Migration: The Gotchas That Actually Bite

April 14, 2026

Most PHP 8 migrations are less work than teams fear — but the work hides in predictable places. Loose comparisons, throwing internals, removals, and how to inventory it all before you deploy.

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