postbooks-schema-quickstart binary package in Ubuntu Xenial i386

 A full-featured, fully-integrated business management system, the core of
 the award winning xTuple ERP Suite. Built with the open source PostgreSQL
 database and the open source Qt framework for C++, it provides the
 ultimate in power and flexibility for a range of businesses and
 industries of any size.
 .
 This package provides the quickstart database that can be loaded into
 PostgreSQL using pg_restore. Most users should start with the
 postbooks-schema-quickstart database, while the postbooks-schema-demo
 database is useful for evaluating the product.
 .
 Installing this package does not modify PostgreSQL in any way. It simply
 puts a copy of the scheme into /usr/share/postgres-schema for
 manual installation.

Source package