24.2.2.1  Virtual Host Configuration

https://doc.opensuse.org/documentation/leap/reference/html/book.opensuse.reference/cha.apache2.html#sec.apache2.configuration.manually.vhost

"To list all existing virtual hosts, use the command httpd2 -S. This outputs a
list showing the default server (...)"

=> Konsole :
erik@linux-xxxx:~> httpd2 -S
If 'httpd2' is not a typo you can use command-not-found to lookup the package
that contains it, like this:
    cnf httpd2
erik@linux-xxxx:~> cnf httpd2
httpd2: commande non trouv�e