=== IMPORTANT INFORMATION ABOUT POSTGRESQL VERSION SUPPORT ===

PostBooks versions 4.0.x and 4.1.x are NOT supported with
PostgreSQL v9.3 and later.  Users trying to connect to a recent
version of PostgreSQL will typically see an error like this:

  ERROR:  column "procpid" does not exist

The Debian package maintainers have tested with the PostgreSQL 9.1
server from Debian 7 (wheezy).  http://bugs.debian.org/724305

xTuple maintain a compatibility matrix on their web site:

  http://www.xtuple.org/compatibility-matrix

=== IMPORTANT INFORMATION ABOUT DATABASE UPGRADES ===

PostBooks is a client/server solution, however, there is no actual
PostBooks server.  PostgreSQL is used as the server.

The PostBooks client code (Debian package "postbooks") can be used to
connect to a PostgreSQL instance on the same machine or on a network.
Consequently,

- The postgresql package and the database schema are not automatically
  installed with the GUI package

- Upgrading the client GUI package does not upgrade the database.  It is
  the administrator's responsibility to manage the database upgrade.
  There is another package, "postbooks-updater", that allows the
  administrator to manage the database schema and apply updates
  from any PC with access to the database.

The database schema includes information about the schema version.
The client GUI checks the database version when you connect and will warn
if there is a mismatch.  Using a mismatched client with a different
database version is strongly discouraged and risks data corruption.

On the host where you want to run the PostgreSQL server, please
try installing one of the postbooks-schema packages, for example:

  # apt-get install postbooks-schema-quickstart \
       postgresql postgresql-contrib

to automatically install PostgreSQL itself, the required modules,
database and schema creation.

When you want to upgrade the database (for example, when upgrading
from the 4.1 client to the 4.2 client), install the postbooks-updater
package and look in /usr/share/doc/postbooks-updater/ for details.

=== QUICKSTART ===

Use one of the postbooks-schema-* packages or download from
the PostBooks web site, there are three to choose from:

  postbooks-schema-empty
   - empty database, no chart of accounts, just tables

  postbooks-schema-quickstart
   - quickstart database, basic chart of accounts

  postbooks-schema-demo
   - demo database, has some customers in it

On the machine where you want to run the PostgreSQL server:

  # apt-get install postgresql postgresql-contrib

Now use the following script code at the shell on your
PostgreSQL server machine:

cat > /tmp/init.sql << EOF
CREATE GROUP xtrole;
CREATE USER admin WITH PASSWORD 'crm'
                       CREATEDB CREATEUSER
                       IN GROUP xtrole;
EOF

su - postgres
psql -U postgres -f /tmp/init.sql postgres
createdb -U admin -W -h localhost pb_demo
wget -O quickstart.backup http://<insert URL of database you want>
pg_restore -U admin -W -h localhost -d pb_demo quickstart.backup -v

where "quickstart.backup" should be replaced with the filename
of the schema you want, for example, the packaged schema may
be in a location like this:
  /usr/share/postbooks-schema/postbooks_empty-4.0.2.backup

If your GUI is not on the same host as the PostgreSQL server, you
may have to edit /etc/postgresql/9.1/main/pg_hba.conf to
add your host or IP range to the ACL, eg. add something like this:

host  pb_demo    all   192.168.1.0/24   md5

and then

  service postgresql reload

Finally, start the GUI with the command "postbooks" and login
using your database credentials.

=== PRODUCT NAME: xTuple OR PostBooks? ===

Upstream seems to use the names "xTuple" and "PostBooks" interchangeably
to refer to their product.

The tarball is named xtuple and the git repository is xtuple/qt-client

The name xTuple appears to be used in this way with several products
from the same upstream, some of them distributed as commercially
licensed non-free software.  The PostBooks name has been designated
by upstream for the free version of the product.  Consequently,
the Debian packaging refers to the source package and the binary
using the name "postbooks".