DirectAdmin | John Nessime

Bulk WordPress Migration: Moving 20 Sites to a New VPS in One Weekend

Post category:Hosting & Infrastructure System Administration Technical Guides WordPress

Moving one WordPress site is easy. Moving twenty in a weekend is a pipeline, and the failures that cost you are the quiet ones: writes landing on the old server, cron firing on two boxes, certificates blocked by ACME rate limits. Here is the fleet migration process I use, from manifest to per-site rollback.

DirectAdmin PHP-FPM Pools: Why One WordPress Site Takes Down the Others

Post category:System Administration Web Hosting Web Performance WordPress

DirectAdmin gives each user one PHP-FPM pool, not each site. That single design fact explains most of the 502s on a busy shared box. Here is how to find the pool files, size pm.max_children from real memory numbers, set per-site limits that WordPress cannot override, and make the changes survive the next rewrite_confs.