I am trying to get a Debian Linux, Apache2, MySQL, PHP5 system going. All of the instructions that I find assume that I am installing from a tar file or some such. Debian installs everything, including the config files, automatically. The Dbian installation differs significantly from the documentation. I finally got Apache2, MySQL and  /drupal6/install.php running but immediately got the install.php error shown below.

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The following error must be resolved before you can continue the installation process:

In your ./sites/default/settings.php file you have configured Drupal to use a server, however your PHP installation currently does not support this database type.

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Please check the error messages and try again.

When I finally found settings.php, the file had been automatically generated by the .deb installation script. There is nothing obviously wrong with it. Debian notes say to use install.php at this point to populate the data tables. Obviously this is not going to happen until the above error is fixed.

Any suggestions.

Gary R.