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Old 2nd December 2010, 16:37
cbj4074 cbj4074 is offline
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As far as I know, you will not be able to use suPHP on any of the sites that must access the shared Drupal code-base. You will likely be required to set the PHP mode to one of the other options on the Sites -> [choose domain] page within ISPConfig, such as Fast-CGI.

Personally, I would not configure the shared Drupal code-base as an actual "Website" (unless you require end-user [as opposed to root] FTP/sFTP access to the files). Instead, I would install Drupal to /usr/share/drupal or similar.

Then, all you should need to do is add the necessary shared Drupal directories to PHP's open_basedir directive for each site (Home -> Sites -> [domain.tld] -> Options [tab]). Here's an example of adding the necessary Roundcube directories to the open_basedir directive in order for users to be able to access Webmail from a given virtual host:

<Directory /var/www/domain.tld/web/>
php_admin_value safe_mode off
php_admin_value register_globals off
php_admin_value magic_quotes_gpc off
php_admin_value display_errors off
php_admin_value upload_tmp_dir "/var/www/clients/client2/web1/tmp"
php_admin_value open_basedir "/tmp:/etc/roundcube/:/usr/share/roundcube:/var/log/roundcube:/var/lib/roundcube:/var/lib/roundcube/skins:/var/lib/roundcube/skins/default/templates:/var/lib/roundcube/plugins:/var/lib/roundcube/config:/var/lib/roundcube/bin:/var/lib/roundcube/program:/var/log/roundcube:/usr/share/php:/usr/share/pear:/var/www/clients/client2/web1/web:/var/www/clients/client2/web1/tmp"
Obviously, you will need to change the "domain.tld" in the first line, and replace all of the Roundcube paths with the appropriate Drupal paths.

To determine which Drupal paths must be added to the open_basedir directive, try accessing the homepage on any of the sites that use the code-base, then check /var/www/domain.tld/log/error.log each time the page does not load. Each time access to the Drupal site is denied on the grounds of an open_basedir restriction, the exact path that must be added will appear in error.log.

Also, you will probably want to create a symbolic link or an Apache alias that points from each separate Website to the shared Drupal directory (e.g., /usr/share/drupal).

Further, appropriate permissions must be set on the shared Drupal directory for access to be possible from each separate site.

Finally, note that you must wait a few minutes between the time that you update a given Website's PHP or Apache directives and the time that the changes take effect.

Good luck!

Last edited by cbj4074; 2nd December 2010 at 16:40.
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