apache map single subdomain to folder - apache

Question

In my /var/www I have a number of sites (goodsite, badsite, uglysite). Right now they are accessed by mydomain.com/goodsite, etc..
What I want is for one site in particuar, uglysite, to be accessed by uglysite.mydomain.com - the others remain as they are.
I have tried all sorts of ways of fiddling with the.htaccess (in /var/www). Note I have mod-rewrite enabled and mod vhost-alias enabled.
RewriteEngine on
RewriteCond %{HTTP_HOST} ^uglysite\.mydomain\.com$ [NC]
RewriteCond %{REQUEST_URI} !^/uglysite/
RewriteRule ^(.*)$ /uglysite/$1 [L]
What ends up happening is that both mydomain.com and uglysite.mydomain.com always map to the same thing (i.e., the index at /var/www). I tried adding in a new virtual host, and was surprised to find that uglysite.mydomain.com mapped correctly, but then mydomain.com also mapped directly to uglysite as well.
<Virtualhost uglysite.mydomain.com:80>
ServerName uglysite.mydomain.com
ServerAdmin www#localhost
DocumentRoot "/var/www/"
AccessFileName .htaccess
<Directory "/var/www/uglysite">
Order allow,deny
Allow from All
AllowOverride All
</Directory>
</VirtualHost>
The above was added to my sites-enabled/000-default file. This got uglysite.mydomain.com to work properly, but then mydomain.com mapped to the same thing!
Is there a straightforward way to do what I'm intending to do?? Thanks in advance.

Answer 1

You should be making uglysite into a second file instead of modifying 000-default
So, take a copy of the 000-default file, change the subdomain as you have done up there and modify the directory to /path/to/site
000-default:
<Virtualhost *:80>
ServerName mydomain.com
ServerAdmin www#localhost
ServerAlias mydomain.com
DocumentRoot "/var/www/goodsite"
AccessFileName .htaccess
<Directory "/var/www/goodiste">
Order allow,deny
Allow from All
AllowOverride All
</Directory>
</VirtualHost>
uglysite:
<Virtualhost *:80>
ServerName uglysite.mydomain.com
ServerAlias uglysite.mydomain.com
ServerAdmin www#localhost
DocumentRoot "/var/www/uglysite"
AccessFileName .htaccess
<Directory "/var/www/uglysite">
Order allow,deny
Allow from All
AllowOverride All
</Directory>
</VirtualHost>
Also note that in the above samples, I have modified the DocumentRoot to point to the directory that you want file served from
EDIT: virtualhosts set to *:80 since your sites point to your own ip anyway