Modules, modules, modules

• mod_php, mod_rewrite, mod_status...

• Modules extend the functionality of Apache by giving it new capabilities, like executing PHP code embedded in pages or delivering status reports or restricting delivery by password or by IP, or... or... or...

• /etc/apache2/mods_available and /etc/apache2/mods_enabled … look familiar?

• a2enmod, a2dismod

• .conf and .load files