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Display random index

In general, a site default home page is defined good index.html, index.shtml, index.php, etc., if you want to have a lot of pages under the site want to randomly show to users browsing, that has to be implemented on the program, it is particularly troublesome, if you install nginx, then use nginx random index to achieve this function, all requests ending with/, will randomly display the files under the current directory as the home page.

random index presentation

The ngx_http_random_index_module handles requests with the suffix '/' and randomly selects a page from the current directory as the home page. This module will be executed before the ngx_http_index_module. By default, this module is not installed, you need to install nginx with the configuration parameter--with-http_random_index_module.

Random home page configuration

location / { random_index on; }

random index

Syntax: random_index on| off;

default: random_index off;

Configuration segment: location

Enable or disable the random index module

Generate blank images (empty_gif module)

Have you noticed that Baidu uses 1x1 blank pictures to pass statistical parameters, and whether the brothers who do asynchronous statistics use static files to pass parameters? Why use blank pictures instead of storing a small picture yourself? The blank pictures in nginx are stored in memory, and the speed is definitely faster than reading on the hard disk. See how to use empty_gif to generate a blank image that responds to 1x1.

nginx default built-in ngx_http_empty_gif_module, how to install nginx I will not talk more. Look at the empty_gif.

nginx configuration

The nginx module ngx_http_empty_gif_module responds to 1x1 gif images.

location = /_.gif { empty_gif;}

Here is my nginx configuration

server { listen 80; server_name test.ttlsa.com; access_log /data/logs/nginx/test.ttlsa.com.access.log main; index index.html index.php index.html; root /data/site/test.ttlsa.com; location ~* /3145/ { empty_gif; }}

Test empty_gif

Visit test.ttlsa.com/3145/and the results are as follows:

empty_gif command

Syntax: empty_gif;

Default: -

Configuration segment: location

Open Response 1x1 Blank Picture

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