I've been using WordPress multisite on DreamHosts' VPS package, and all has been working remarkably well.
However, I've run into a problem with the WordPress MU Domain Mapping plugin: http://bit.ly/WPMSDomainMapping
When I amend the DNS A record of newdomain.org to point at the IP address (as detailed in the plugin instructions) I just get a
bad_httpd_conf error (http://wiki.dreamhost.com/Bad_httpd_conf).
DreamHost support have told me that this is because there are multiple sites installed at the VPS unique IP address. But how else is the WPMU Domain Mapping plugin _supposed_ to work?!
I have started to mess with the apache config file though at the moment I'm just getting directory listings :(
Has anyone managed to get WordPress MS domain mapping cracked with DreamHost VPS? Would love to hear a solution!