Servers

Linux server administration for hosting: memory, CPU and disk diagnostics, Nginx, PHP-FPM, databases and capacity planning.

22 articles

Servers

How to Set Up an Nginx FastCGI Cache for WordPress on a Small Server

How to add a FastCGI page cache to a small WordPress blog on Nginx, with bypass rules, an X-Cache header, real timings and a safe rollback.

September 30, 2026Updated October 13, 202611 min read

Servers

How to tell real memory pressure from normal Linux caching, with real free, vmstat and PSI output from a 1 GB production server.

September 30, 2026Updated October 13, 20269 min read

Servers

A measure-first guide to tuning MySQL or MariaDB on a small WordPress server without risking your data or your uptime.

September 29, 2026Updated October 15, 202611 min read

Servers

A practical guide to sizing PHP-FPM workers on a low-RAM server, using real PSS measurements from a 1 GB production server.

September 29, 2026Updated October 13, 202610 min read