Guides from the NOC

Skip the extra Varnish daemon. Set up Nginx's built-in FastCGI cache to speed up PHP-FPM sites on your VPS, with safe rules for logged-in users and carts.

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.

Confused between a VPS and a dedicated server? Compare cost, performance, control, and scaling so you pick the right hosting for your traffic and budget.

Site crawling or throwing 502s under traffic? Learn how to calculate pm.max_children and pick dynamic vs ondemand vs static PHP-FPM on your VPS.

Slow WordPress or app on your VPS even with low CPU? Tune innodb_buffer_pool_size, max_connections, and tmp_table_size in my.cnf the right way.

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.

Load average high but CPU sitting idle on your VPS? Learn how to confirm I/O wait with vmstat, find the blocked process, and fix the disk bottleneck.

WordPress slow for logged-in users despite page caching? Set up Redis object cache on your VPS the right way, and fix the common connection issues.

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.