After you install the client that you plan to use to administer
your Rational® DOORS® system, install the database server.
You can install the database server on Windows, Linux,
or Solaris systems.
Installing the Rational DOORS database server on Linux or Solaris systems
You can install the Rational DOORS database server after you plan your installation and install the Rational DOORS client that is to be used to administer the system. When you install on a Linux or Solaris system, you must install as the root user.