Method of two-level domain binding level two directory in CentOS

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For some directories, we often need to specify a level two domain name, then how to operate?

Because of my first contact with CentOS, I had to use network resources. Then know to open mod_rewrite This module, the specific method is as follows:

Open the Apache installation directory with a text editor/etc/httpd/conf\httpd.conf, find the "#LoadModule rewrite_module modules/mod_rewrite.so" line, remove the front "#"; Continue to find "allowoverride None", modify it to "allowoverride all", and then restart Apache.

So, it opens the Mod_rewrite module, its function is very powerful, here I only talk about how to bind the level two domain name.

Again, we enter the following statement at the end of the httpd.conf file:

Rewriteengine on

Rewritemap lowercase Int:tolower

Rewritemap Vhost Txt:/etc/httpd/vhost.map

Rewritecond ${lowercase:%{server_name} ^ (. +) $

Rewritecond ${vhost:%1} ^ (/.*) $

Rewriterule ^/(. *) $%1/$1

and restart Apache.

In this way, we are free to set the binding level two domain name.

Warm tip: This httpd.conf everyone pay attention to backup, I have accidentally deleted, made extremely miserable ah!!

Then create a new Vhost.map in the/ETC/HTTPD (that is, the Apache installation directory) and bind with a text editor, which is very simple, as I wrote:

Bbs.nvdchina.com/var/www/html/bbs

Home.nvdchina.com/var/www/html/home

Potplayer.nvdchina.com/var/www/html/potplayer

We can bind the level two domain name to the directory, save on the line, and do not need to restart Apache, very convenient.