[Zope] Can't reach the "management screen"

Hello I'm an absolutely Zope beginner. I installed Zope on SUSE Linux 7.1, configured the Apache Server like described in different how tos, restarted Apache and then Zope. The problem is, i can only reach the "Welcome to Zope" page. But the lokal links like "Quick start" and "management sceen" don't work. Does anybody know a sollution Ulrich