永遠にかきっかけ
DocumentRoot /var/www/htdocs/
DocumentRoot /var/www/htdocs/www.aaa.com
ServerName www.aaa.com
ServerAlias aaa.com
ErrorLog /var/log/apache/www.aaa.com-error_log
CustomLog /var/log/apache/www.aaa.com-access_log common
/usr/local/apache2/conf/extra/httpd-vhosts.conf