루트 디렉터리를 변경하려면 centos에서 nginx 서버를 구성하세요.

#
# The <span>default</span> server
#
server {
listen 80;
server_name localhost;
<span>root  </span><span>/var/</span><span>www;  #修改新的目录为var下的www目录</span>#charset koi8-r;

#access_log logs/host.access.log main;

location / {
root /var/www;
index index.html index.htm index.php index.phtml; #添加index.php和index.phtml
# example
#ModSecurityEnabled on;
#ModSecurityConfig /etc/nginx/modsecurity.conf;
}

error_page 404 /404.html;
location = /404.html {
root /var/www; #修改新的目录文件
}

# redirect server error pages to the <span>static</span> page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /var/www;  #修改新的目录文件
}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http:<span>//</span><span>127.0.0.1;</span>
#}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
root /var/www;  #修改新的目录文件
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME <span>$document_root$fastcgi_script_name</span>;
include fastcgi_params;
}

# deny access to .htaccess files, <span>if</span> Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}