Background Back when I got my GL-AR150 mini router, I was blown away by the powerful capabilities of this $25 OpenWRT router,...
See if Apache is using worker or prefork MPMStanislav Khromov
httpd -V | grep "Server MPM:"
Ubuntu / Debian
apache2 -V | grep "Server MPM:"
Server MPM: Prefork
This is useful for knowing whether to tweak prefork or worker MPM in the apache config.