This is an example of Nginx vhost for Drupal 7 + PHP-FPM .
Install NGINX+ PHP-FPM: HowToForge
You can limit access like htaccess / htpasswd on Apache:
auth_basic "My website Authentication";
auth_basic_user_file /etc/nginx/htpasswd/example.com;
You can add Phpmyadmin path like that:
location /phpmyadmin {
root /usr/share/;
index index.php index.html index.htm;
location ~ ^/phpmyadmin/(.+\.php)$ {
try_files $uri =404;
root /usr/share/;
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include /etc/nginx/fastcgi_params;
}
location ~* ^/phpmyadmin/(.+\.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt))$ {
root /usr/share/;
}
}
location /phpMyAdmin {
rewrite ^/* /phpmyadmin last;
}
Enjoy or not :p