> PHP

really?

which way?

embedded? fastcgi native? slowcgi? fpm? cli?

natively managed or via process control?

which process control?

which ini file is configured for which application again?

are my suexec/whatever wrappers working?

if not, which user/group/permission N levels up is causing the issue?

which bytecode cache to use? is that working properly?

why aren't my URL rewrites working properly?