Red Hat DIRECTORY SERVER 2.0 - GATEWAY Manual de usuario descargar pdf (Pagina 46)

Chapter 6. Handling directories

Figure 6-22. Putting subdirectories ﬁrst in the listing

Note: By now you may be starting to get confused about when a facility stands alone as

a command like IndexIgnore and when it is an IndexOptions option like FoldersFirst.

Me too.

Adding icons to the listing

The next prettying up of the listing will be to add icons to the listing. Typically, icons

are used to represent the MIME content type of the ﬁle. We will use the icons in the

/var/www/icons directory which are provided for this purpose.

We are immediately presented with a problem. The icons directory is not in either

web site’s DocumentRoot. To make it available to all our web sites we are going to

introduce another facility: aliasing. This comes courtesy of the alias_module module

and its Alias command.

LoadModule alias_module modules/mod_alias.so

Alias /icons/ /var/www/icons/

Figure 6-23. Setting up an alias

The Alias command overrides the DocumentRoot for speciﬁc URLs. In this case any

URL whose local part starts with /icons/ (n.b. the trailing slash) will be looked up

in /var/www/icons/. Is we place this directive before the deﬁnitions of the virtual

hosts then it will apply to both.

Once the module has been loaded, the Alias command may be run multiple times,

both inside and outside of the virtual host sections. If it appears within a virtual host’s

paragraph then it applies to just that virtual host.

The ﬁle icon.sheet.png in the icons directory gives a quick lookup of all the icons

provided. Now we have access to the icons we need to know how to make use of

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Red Hat DIRECTORY SERVER 2.0 - GATEWAY Manual de usuario Pagina 46