Q: what perl modules have to be installed?

A: for database access
	DBI
	DBI::DBD

   for time parsing
	Time::ParseDate
	
   for mail sending
	Socket

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Q: whats the easiest way to install perl modules?

A: use the CPAN module of perl. its pre installed and ease the task
   of installing. start it via

   $ perm -MCPAN -eshell

   after configuring the shell use the "i" command to search for the
   correct name.

   cpan> i /DBI/

   and the install command for installing

   cpan> install MODULENAME

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Q: does it work with php3?

A: no, currently it only works only with php4
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Q: how i have to configure apache to recognize and to execute php3
   with installed php4?

A: if the apache is configured correctly - i.e. knows what to do with
   php3 files - so add the following line to the httpd.conf:

	AddType application/x-httpd-php .php3

   there should be a similar line for php and maybe for phps

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Q: how do i activate the mod_usertrack module?

A: thats not so easy. first you have to ensure that you have already
   mod_usertrack compiled.

   $ httpd -l

   in the result a entry like "mod_usertrack.c" should exist.
   if not you have to recompile your apache. if you have support
   insert the followinf threes lines into your httpd.conf

	CookieExpires  "30 minutes"
	CookieName     "Apache"
	CookieTracking on

   as factor the following types are available:
     years
	 months
	 weeks
	 days
	 hours
	 minutes
	 seconds

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Q: after executing the script i dont get a result page. only an empty page
   is delivered.

A: if this isnt a database problem you have a PHP execution time limit. 
   search for your php.ini (usually located in /usr/local/lib) and 
   search for the entries 

    max_execution_time = 30     ; Maximum execution time of each script, in seconds
	memory_limit = 8388608      ; Maximum amount of memory a script may consume (8MB)

   and increase these values. dont forget to restart the apache!
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