Apache HTTP Server/mod_perl

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From the project:

mod_perl brings together the full power of the Perl programming language and the Apache HTTP Server. You can use Perl to manage Apache, respond to requests for web pages and much more.

Installation

Install the mod_perlAUR package.

Configuration

Load the module via the main Apache configuration file httpd.conf: 

LoadModule perl_module modules/mod_perl.so

Allow perl to execute scripts for certain directories

There are two possible methods to enable the mod_perl module:

Using virtual hosts

Add a virtual host with settings. For example: 

/etc/httpd/conf/extra/httpd-vhosts.conf
<VirtualHost perlwebtest:80>
	Servername perlwebtest
	DocumentRoot /srv/http/perlwebtest
	ErrorLog /var/log/httpd/perlwebtest-error.log
	CustomLog /var/log/httpd/perlwebtest-access.log combined
	<Directory /srv/http/perlwebtest>
		AddHandler perl-script .pl
		PerlResponseHandler ModPerl::Registry
		Options +ExecCGI
		PerlOptions +ParseHeaders
		AllowOverride All
		Order allow,deny
		Allow from all
	</Directory>
</VirtualHost>

Ensure /etc/httpd/conf/httpd.conf includes the created virtual host: 

Include conf/extra/httpd-vhosts.conf

Make sure it does not have Options Indexes FollowSymLinks!

Add "perlwebtest" as localhost in /etc/hosts, using the machine's hostname for yourhostname: 

127.0.0.1	localhost yourhostname perlwebtest

For a subdirectory

Add the following to the main configuration file: 

/etc/httpd/conf/httpd.conf
Alias /perlwebtest/ /srv/http/perlwebtest/
<Location /perlwebtest/>
      AddHandler perl-script .pl
      AddHandler perl-script .cgi
      PerlResponseHandler ModPerl::Registry
      PerlOptions +ParseHeaders
      Options +ExecCGI
      Order allow,deny
      Allow from all
</Location>

Turn on perl for directory listings

Create /etc/httpd/conf/extra/perl_module.conf as well: 

# Required modules: dir_module, perl_module

<IfModule dir_module>
        <IfModule perl_module>
                DirectoryIndex index.pl index.html
        </IfModule>
</IfModule>

Then include it in /etc/httpd/conf/httpd.conf: 

# Perl
Include conf/extra/perl_module.conf

Try it out

Create index.pl in /srv/http/perlwebtest: 

#!/usr/bin/perl
print "Content-type: text/plain\n\n";
print "mod_perl now works\n";

Restart Apache's httpd.service and let it reload the configuration.

Finally, depending on chosen alternative configuration, visit