The Complete Guide to Running WordPress on aaPanel
Setting up WordPress on aaPanel? The SSL, PHP version, Cloudflare and firewall settings that matter, plus fixes for 6 ways the setup breaks.
Category
Hosting & aaPanel
Practical guides for the hosting layer underneath your WordPress site.
aaPanel PHP Version Switch Broke Your WordPress Database Connection
Switched PHP versions in aaPanel and WordPress now shows 'Error establishing a database connection'? It's almost always a missing extension, not lost data.
Fix a WordPress 500 Internal Server Error on aaPanel (Step-by-Step)
WordPress showing a 500 Internal Server Error on aaPanel? Check the right logs first, then fix the four causes that actually cause it, in the safest order.
Is aaPanel's Firewall Blocking Your WordPress REST API? How to Check and Fix
Gutenberg won't save, or an app integration fails, on an aaPanel site? aaPanel's firewall/WAF may be blocking /wp-json/ requests — here's how to check and fix it.
WordPress Redirect Loop After Adding Cloudflare on aaPanel? Fix It in 3 Steps
WordPress stuck in a redirect loop after putting Cloudflare in front of aaPanel? It's almost always mismatched SSL modes — here's the exact 3-step fix.
WordPress White Screen After Switching PHP Version in aaPanel? Do This
White screen right after changing PHP versions in aaPanel? Revert first, then find the real cause: a missing extension or an incompatible plugin.
aaPanel Won't Renew Your Let's Encrypt SSL? Here's Why (and the Fix)
aaPanel's Let's Encrypt certificate stuck, expired, or failing to renew? Here's exactly why it happens on WordPress sites and the safe step-by-step fix.
About Hosting & aaPanel guides
These guides focus on aaPanel, the free server control panel: 500 errors, white screens and database connection errors after switching PHP versions, Let's Encrypt certificates that won't renew, the panel's firewall blocking the WordPress REST API, and redirect loops after adding Cloudflare.
Server-level fixes carry more risk than WordPress settings, so each guide says which file or panel setting changes, how to back it up first and how to roll it back.
If you're setting up a new site or reviewing an existing one, start with the complete guide to running WordPress on aaPanel.