When you install WPMU by default the subdomain option is checked. This is for blogs in the format of username.yourdomain.com. There are two steps that need to be done to your server in order for this to work. In Apache, there needs to be a line in the domain’s virtual hosts section as follows: ServerName [...]
DNS Explained
May 24, 2009 By
The purpose of the DNS (Domain Name Server) system is to give client computers a means of translating host names (ex. wpmututorials.com) into IP (Internet Protocol) addresses. In a typical day of working my browser(s) submits hundred of queries to my DNS servers to get the IP address of the web sites I have requested. [...]
