A device can be reachable but absent from a network dashboard. Learn why unmanaged switches limit visibility and how to troubleshoot safely.
Author Archives: juzhax
How to Import Structured Markdown Without AI Conversion
A safe bulk import can read structured Markdown directly, map files to stable record IDs, preview changes, and update only approved fields.
How to Prevent HTML Entities from Leaking into JSON-LD
Decode HTML entities into real Unicode text before JSON encoding WordPress schema, and escape each output only for its final context.
Why Changing MariaDB Docker Passwords May Not Work
MariaDB Docker environment variables initialize an empty data directory but do not update users, passwords, or grants in an existing volume.
When Empty WordPress Archives Should Return 404
Use 404 for missing generated archives and out-of-range pagination; keep deliberate empty states separate and verify the main request.
Why Regex Redirect Captures Need Explicit Substitution
A regex can match a redirect source while leaving $1 untouched. Learn how custom PHP redirect handlers should perform capture substitution, validate destinations, and test the final response.
How to Replace a WordPress SEO Plugin Without Duplicate Metadata
A practical, low-risk process for replacing a WordPress SEO plugin while preventing duplicate or missing metadata.
How to Route One Command Through a Stable Proxy
Use a per-command SOCKS proxy when one test request needs a stable public IP without routing all device traffic through a VPN.
How to Replace Matching Links with Badges Without Editing Saved Content
A scoped, idempotent JavaScript pattern can add download badges while preserving original links and stored WordPress content.
How to Trace a Slow PHP Request to the Actual SQL Query
Learn how to correlate PHP-FPM access and slow logs with a database slow-query log to find the SQL behind a slow request.