No suitable database driver detected. supported drivers: pdo_mysql, pdo_pgsql, pdo_sqlsrv, pdo_oci.

You may see this error from time to time when installing an application that relies on PHP

A fatal error occured during installation: No suitable database driver detected. Drivers supported by .... are: pdo_mysql, pdo_pgsql, pdo_sqlsrv, pdo_oci.

In this case the was no pdo_mysql driver available within php so it needed to be installed manually using

apt-get install php-mysql