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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

3 posts matching “server-performance” · Clear

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VPS How to Load Test Your VPS Before a Launch or Sale

Learn how to load test your VPS with ab, wrk, and k6 before a launch or sale, and fix the PHP-FPM, MySQL, and Nginx limits that cause it to fall over.

12 August 2026 · 6 min · 2 views VPS Varnish Cache Setup on a VPS: Speed Up Apache or Nginx

Install and configure Varnish Cache on your VPS to serve pages in milliseconds. Step-by-step setup for Apache or Nginx backends, plus fixes for common issues.

21 July 2026 · 6 min · 1 view VPS VPS Running Slow? How to Find and Fix High CPU Usage

VPS running slow or unresponsive? Learn how to find the process eating your CPU - PHP-FPM, MySQL, cron, or a bad bot - and fix it for good.

13 July 2026 · 5 min · 4 views