[root@localhost ~]# vim /usr/local/apache2/conf/extra/httpd-vhosts.conf<VirtualHost *:80>    DocumentRoot "/data/www"    ServerName www.test.com    ErrorLog "logs/test.com_error_log"    CustomLog "logs/test.com_access_log" combined    php_admin_value open_basedir "/data/www/:/tmp/"    # 只能访问网站根目录和临时目录，服务器上的其他目录不能访问</VirtualHost>

[root@localhost ~]# /usr/local/apache2/bin/apachectl -t[root@localhost ~]# /usr/local/apache2/bin/apachectl graceful