a2query

Retrieve runtime configuration from Apache on Debian-based OSes. More information: https://manpages.debian.org/latest/apache2/a2query.html.

• List enabled Apache modules:

sudo a2query -m

• Check if a specific module is installed:

sudo a2query -m {{module_name}}

• List enabled virtual hosts:

sudo a2query -s

• Display the currently enabled Multi Processing Module:

sudo a2query -M

• Display Apache version:

sudo a2query -v