Nginx 1 Web Server Implementation Cookbook by Dipankar Sarkar

By Dipankar Sarkar

It is a cookbook packed with illustrations and diagrams that can assist you enforce your net wishes with Nginx, with a spotlight on useful examples. while you are bored with Apache eating all of your server reminiscence with little site visitors and to beat this, or for another cause, you're looking for a high-performance load-balancing proxy server and feature attempted utilizing Nginx, then this publication is for you. you would like a few simple wisdom of Nginx. procedure directors and net builders will profit tremendously from this e-book.

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Nginx 1 Web Server Implementation Cookbook

This can be a cookbook filled with illustrations and diagrams that can assist you enforce your internet wishes with Nginx, with a spotlight on useful examples. while you are bored with Apache eating your entire server reminiscence with little site visitors and to beat this, or for another cause, you're looking for a high-performance load-balancing proxy server and feature attempted utilizing Nginx, then this e-book is for you.

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Location / { . . if ($http_user_agent ~ "MSIE") { limit_rate 5k; } } How it works... In the preceding example we check if the user agent contains MSIE, in which case it will rate limit the transfer to 5000 bytes only. There's more... You can also set up request based rate limiting by using the following snippet: http { limit_req_zone $binary_remote_addr zone=one:10m ... server { ... location / { limit_req zone=one burst=5; } } rate=1r/s; The above configuration creates a zone called one, which has a session storage size of 10MB allocated to it and allows a rate of one request per second in this particular configuration.

In the preceding screenshot, we are looking at the full browser version of Facebook, and you can see a fairly wide-screen site. In the following screenshot, we can see the mobile version of Facebook which clearly lets go of a lot of functionality because of the reduced screen-size. 40 Chapter 2 How to do it... The simple example that we take is of an iPhone surfing the website and how you can actually rewrite the URL to show them a completely iPhone-compatible website. The configuration below is a great start for it!

How it works... This is a fairly basic setup. The clean URLs are handled by one rewrite. The interesting part is the static file serving, which is highlighted in the configuration above, that checks if the file being served is a static file (that is a GIF, PNG, DOC, and so on). If it is, then the file is served with an expiry header with long expiration time. This reduces the consumed bandwidth as it facilitates extended client side caching. There's more... Many sites have alternative setups to handle higher loads, and use plugins like wp-supercache.

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