nginx怎么访问不了html文件？（/usr/share/nginx/html/）

localhost可以访问nginx页面
但是我在/usr/share/nginx/html/下建了html文件访问不了？

这是/etc/nginx/sites-availble/default文件

server {
    listen 80 default_server;
    listen [::]:80 default_server ipv6only=on;

    root /usr/share/nginx/html;
    index index.html index.htm index.php;

    # Make site accessible from http://localhost/
    server_name localhost;

    location / {
        # First attempt to serve request as file, then
        # as directory, then fall back to displaying a 404.
        try_files $uri $uri/ =404;
        # Uncomment to enable naxsi on this location
        include /etc/nginx/naxsi.rules
    }

    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini

        # With php5-cgi alone:
        fastcgi_pass 127.0.0.1:9000;
        # With php5-fpm:
        fastcgi_pass unix:/var/run/php5-fpm.sock;
        fastcgi_index index.php;
        include fastcgi_params;
    }
}

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需要更多的信息？比如访问url，你在目录下的文件等。还有看看错误日志，看看是不是nginx没有访问你新建文件的权限等。

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应该是权限问题，sudo nginx -s reload

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这情况多了去了……
最常见的一个就是：selinux还开着？