A partir de subdomínios 000-default use:
<VirtualHost *:80>
ServerAdmin webmaster@localhost
ServerName yourdomain.com
ServerAlias subdomain.domain.com
DocumentRoot /home/username/public_html/example
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
<Directory /home/username/public_html/example>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
Order allow,deny
allow from all
</Directory>
ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
<Directory "/usr/lib/cgi-bin">
AllowOverride None
Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
Order allow,deny
Allow from all
</Directory>
ErrorLog ${APACHE_LOG_DIR}/error.log
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>