This article describes the steps to configure Senzing to use PostgreSQL as the entity repository.For the latest instructions, see the official PostrgeSQL Linux downloads (Debian) page.
The details of such changes are beyond the scope of this article, for additional information see Client Authentication. To allow remote connections, edit etcpostgresql mainpostgresql.conf and modify the CONNECTIONS AND AUTHENTICATION section. The user name senzing is used in the following outline, change as appropriate to the user you will be using Senzing with. You can comment out the current lines by prefixing them with and adding the modified ones below. This topic is the second step in a five topic sequence showing a complete installation of PostgreSQL from the very beginning, including the PostGIS extension required for GIS use. Please see the Install PostgreSQL topic for basic info on PostgreSQL. Third party packages can and do change, so this topic may be out-of-date. It is provided as an example of how such installations can be approached. For example, if we are an individual user with only one computer and we do everything on that one computer, we can always connect to PostgreSQL from Manifold using a localhost designation, that is, not going through any network. For example, if we work in an organization with several computers and one of them hosts this PostgreSQL installation but we actually do our Manifold work on a different computer, to connect from our desktop computer to the machine hosting PostgreSQL we have to be able to connect to it through the web. We can use a similar procedure to open a port through the firewall for any other database, such as SQL Server, for which we might want to allow connections through the Windows firewall. That is easiest to do by entering Windows Control Pane in the Windows taskbar search box for launching commands. When the app launches, click on Advanced Settings in the left hand stack of choices. That is the default port for PostgreSQL, which we accepted as the port to use during our work in the Install PostgreSQL topic.
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