Working Nginx + Multisite + localhost + linux configuration

nginx.conf

server {

	##DM - uncomment following line for domain mapping
	#listen 80 default_server;

	server_name dev.multisite.com;

	##DM - uncomment following line for domain mapping
	#server_name_in_redirect off;

	# FORGE SSL (DO NOT REMOVE!)
	# ssl on;
	# ssl_certificate;
	# ssl_certificate_key;

	access_log /var/log/nginx/dev.multisite.com.access.log;
	error_log /var/log/nginx/dev.multisite.com.error.log;
	root /var/www/html/subdomains/multisite;
	index index.php;

	if (!-e $request_filename) {
		rewrite /wp-admin$ $scheme://$host$uri/ permanent;
		rewrite ^(/[^/]+)?(/wp-.*) $2 last;
		rewrite ^(/[^/]+)?(/.*\.php) $2 last;
	}
	set $cache_uri $request_uri;


	# POST requests and urls with a query string should always go to PHP
	if ($request_method = POST) {
		set $cache_uri 'NULL';
	}
	if ($query_string != "") {
		set $cache_uri 'NULL';
	}


	# Don't cache uris containing the following segments
	if ($request_uri ~* "(/wp-admin/|/xmlrpc.php|/wp-(app|cron|login|register|mail).php|wp-.*.php|/feed/|index.php|wp-comments-popup.php|wp-links-opml.php|wp-locations.php|sitemap(_index)?.xml|[a-z0-9_-]+-sitemap([0-9]+)?.xml)") {
		set $cache_uri 'NULL';
	}


	# Don't use the cache for logged in users or recent commenters
	if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_logged_in") {
		set $cache_uri 'NULL';
	}


	# Use cached or actual file if they exists, otherwise pass request to WordPress
	location / {
		try_files /wp-content/cache/page_enhanced/${host}${cache_uri}_index.html $uri $uri/ /index.php?$args ;
	}
	location ~ \.php$ {
					fastcgi_pass   unix:/var/run/php-fpm/php-fpm.sock;
					fastcgi_index  index.php;
					fastcgi_read_timeout 180;
					include        fastcgi.conf;
				}
	location ~* ^.+\.(ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|rss|atom|jpg|jpeg|gif|png|ico|zip|tgz|gz|rar|bz2|doc|xls|exe|ppt|tar|mid|midi|wav|bmp|rtf)$ {
		access_log off; log_not_found off; expires max;
	}
	location = /robots.txt { access_log off; log_not_found off; }
	location ~ /\. { deny all; access_log off; log_not_found off; }
}