ubuntu 16.04 nginx 更改 phpmyadmin url 不起作用

Ubuntu 16.04.5 LTS Xenial 4.18.8-x86_64-linode117
nginx version: nginx/1.10.3 (Ubuntu)
php v7.0.32-0ubuntu0.16.04.1`

/etc/nginx/sites-available/default

location /phpmyadmin {
        root /usr/share/;
        index index.php index.html index.htm;
        location ~ ^/phpmyadmin/(.+\.php)$ {
                try_files $uri =404;
                fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
                include fastcgi_params;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        }

        location ~* ^/phpmyadmin/(.+\.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt))$ {
                root /usr/share/;
        }
}

没有符号链接/var/www/html
沃克斯很好....

但我似乎不知道如何改变phpmyadmin url.
尝试创建符号链接whatever ->/usr/share/phpmyadmin or whatever ->/usr/share/phpmyadmin/ under /var/www/html不起作用，
就算我改变了/etc/nginx/sites-available/default to:

location /whatever {
        root /usr/share/phpmyadmin/;

如上所述创建了一个符号链接，重新启动了两者nginx & php7.0-fpm新的 URL 仍然尝试下载该页面...

在网上查找了不同的资源，但没有帮助：
数字海洋指南
开发答案指南
以及这里的其他内容SO但找不到解决方案。
Ideas??

UPDATE
By 理查德·史密斯的评论

location /whatever {
    alias /usr/share/phpmyadmin;
    index index.php index.html index.htm;
    if (!-e $request_filename) { rewrite ^ /phpmyadmin/index.php last; }
    # Secure phpMyAdmin Instance
    auth_basic "Admin Login";
    auth_basic_user_file /etc/nginx/.your_pass_file;
    client_max_body_size 68M;

    location ~ ^/phpmyadmin/(.+\.php)$ {
        if (!-f $request_filename) { return 404; }
        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME 
        $document_root$fastcgi_script_name;
    }

    location ~* ^/phpmyadmin/(.+\.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt))$ {
        alias /usr/share/phpmyadmin;
    }
}

Try:

location ^~ /whatever {
    alias /usr/share/phpmyadmin;
    index index.php index.html index.htm;
    if (!-e $request_filename) { rewrite ^ /whatever/index.php last; }
    # Secure phpMyAdmin Instance
    auth_basic "Admin Login";
    auth_basic_user_file /etc/nginx/.your_pass_file;
    client_max_body_size 68M;

    location ~ \.php$ {
        if (!-f $request_filename) { return 404; }
        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $request_filename;
    }
}

你需要使用/whatever/index.php in the rewrite陈述。嵌套的位置块只需匹配 URI 的末尾。这^~修饰符避免与其他正则表达式冲突location块位于server块级别。使用$request_filename在 SCRIPT_FILENAME 中。你最后的嵌套location块似乎没有执行任何功能。

Avoid try_files with alias due to 这个问题. See 这个警告关于使用if.