Configuring and starting Apache2 via Yast2

Yast is of of course as unfriendly when it comes to error messages as any other Linux program. I tried to start up Apache2 using Yast2 and there were only 3 fields in the configuration wizard to fill in: server name, administrator e-mail and listening port. I filled in as server name "Suse Linux". When Yast2 wanted to do the configuration, the error message was: Error: cannot adjust apache2 service Cool.

The web interface for BackupPC under Suse Linux 9 (getting the web interface for BackupPC working under Suse 9 with Apache2)

BackupPC has been working without me noticing it. Now I want set up the web interface.

First I downloaded apach2-mod_perl and perl-Tie-IxHash (there are Suse rpms) and installed them.
Directories/files that I duplicated (this is only necessary if you need to run two instances of the Apache server):