Importing Bibliography

Import of bibliography information is available at either admin/config/content/biblio/iomap or admin/config/content/biblio/import. The following file formats are currently supported::

Version Control API

See also generated documentation(including doxygen generated files) by version:

Version Control API and related modules provide functions for interfacing with the server side of version control systems (VCS). It enables you to track changes in a VCS repository, show a log of commit messages, and control write access to the repository based on site specific settings.

Why is it necessary at all?

On the one hand, because version control is cool, and by integrating it with Drupal it's possible to let the CMS react on changes in the repository and add stuff to nodes. Also, Drupal themes look better than many other VCS web frontends :-P

MySQL: "Warning: MySQL server has gone away"

This dreaded MySQL error and subsequent Warning is due, except in rare cases, to a lack of resources available to MySQL, such as required for the operation of your Drupal installation. Allowing the necessary resources to MySQL resolves this issue most of the time. Also, it is easy to resolve, if you know how to proceed.


Here is a step by step guide, equally valid for your Linux server as well as any local Windows MySQL installation you may be using as a trial installation along with your local Drupal installation.

MySQL comes with a default configuration of the resources it is going to use, specified in "my.cnf" (Linux) or "my.ini" (Windows) during the installation of MySQL.

  • In Linux this file is located at /etc/my.cnf to set global options, or /usr/local/var/mysql-data-dir/my.cnf to set server-specific options.
  • In Windows this file is located by default at C:\Program Files\MySQL\MySQL Server X.Y\my.ini.

Resources allowed by the default configuration are normally insufficient to run a resource-intensive application. You must modify the following resource specifications if they are available in your original configuration file, or add them to the configuration file if they are not already specified (because some are not present by default) :

OG User Roles Group Settings: Registration code for new subscribers to this group

If, in OGUR Settings, you place a check in Allow Group Admins to define Registration Codes for new group subscribers to moderated groups, then the following setting options will appear on the "Edit" page of each of your groups:

  • Set registration codes to allow users to join this group?
  • Do you wish to enter registration codes that will allow new subscribers to bypass admin approval and join this group?

  • Delete registration code after it is used?
  • Do you want to delete each individual registration code after it is used to successfully subscribe a user to the group?

  • Registration codes for allowing users to subscribe to this group without admin approval
  • Specify here the registration codes which will allow users who enter them to subscribe to this moderated group without being manually approved by the group administrator. Structure your entries like this:


Each registration code separated by a comma. No spaces.

  • Set default basic group (group limited) role for users who join this group using this registration code?
  • OG User Roles: Blocks

    The following Blocks are available in Admin->Site building->Blocks upon installation of OGUR:

    • Group Logo
    • A block containining a logo specific to each group that is only displayed when a user is in that group's context. Optionally use this logo for "Printer-Friendly" group pages as well.

    The GD library for PHP is missing or outdated

    If your Drupal 6 Status report page returns the following error:

    GD Image Rotation Low Quality / Poor Performance
    The installed version of PHP GD does not support ...

    or your Drupal 7 Status report page reports:


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