I successfully installed wordpress multiuser on my Lenny virtual machine. I set up mod_rewrite and domain in /etc/hosts for it. I can login to dashboard, main page loads too. Only problem I have are blog posts... When i click on default hello world post to check if everything is ok i get 404 error (i see wordpress 404 page, not apache 404). How could i fix it?
If you can see the "Hello world" post from the blog's front page, but you get a 404 error from WordPress when you click the link, then I wonder if it's a problem with WordPress's links structure.
Have you changed the permalinks defaults? (If so, the blog itself will offer you a handy-dandy set of rules to put into a .htaccess file.)