Comment # 7 on bug 924591 from John Shand

(In reply to Volker Kuhlmann from comment #0)
> Running yast http-server module, making basically no changes to get basic
> config. No vhosts, ssl, etc.
> 
> Btw a server name can't be entered, the value is going to /dev/null.
> 
> Starting apache gives:
> Mar 27 14:37:35 cubie start_apache2[9361]: Module "authz_default" is not
> installed, ignoring.
> Mar 27 14:37:35 cubie start_apache2[9361]: Check the APACHE_MODULES setting
> in /etc/sysconfig/apache2.
> Mar 27 14:37:35 cubie start_apache2[9361]: AH00526: Syntax error on line 10
> of /etc/apache2/mod_status.conf:
> Mar 27 14:37:35 cubie start_apache2[9361]: Invalid command 'Require',
> perhaps misspelled or defined by a module not included in the server
> configuration
> Mar 27 14:37:36 cubie start_apache2[9378]: Module "authz_default" is not
> installed, ignoring.
> Mar 27 14:37:36 cubie start_apache2[9378]: Check the APACHE_MODULES setting
> in /etc/sysconfig/apache2.
> Mar 27 14:37:36 cubie start_apache2[9378]: AH00526: Syntax error on line 10
> of /etc/apache2/mod_status.conf:
> Mar 27 14:37:36 cubie start_apache2[9378]: Invalid command 'Require',
> perhaps misspelled or defined by a module not included in the server
> configuration
> Mar 27 14:37:36 cubie systemd[1]: Failed to start The Apache Webserver.
> 
> In the yast http-server server-modules tab authz_default is listed with a
> description of "unknown", i.e. none. The module does not exist on disk!
> 
> Editing /etc/sysconfig/apache2 adding authz_core to APACHE_MODULES makes
> authz_core also be shown with a description of "unknown".
> 
> systemctl restart apache2
> is now successful.
> 
> This bnc:835484#6 basically says yast http-server module is foobared, so
> it's probably best to uninstall it.

this al happens with me and i'm using tumbleweed.  Here's the link to my error
report, it will be similar:

https://bugzilla.opensuse.org/show_bug.cgi?id=1197058