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PostgreSQL 9.0 High Performance by Gregory Smith

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Server-wide settings

While in some cases these parameters might be adjustable in other contexts, generally the ones in this section are only adjusted in the postgresql.conf before the server is started.

Database connections

There are many configuration parameters that control how people can connect remotely and locally to the database. The complete list is documented at http://www.postgresql.org/docs/current/static/runtime-config-connection.html.

listen_addresses

Any installation that requires connecting from a remote system will need to change listen_addresses to allow that. The default only allows local connections from users logged into the same system as the database server. A common approach is to accept incoming connections from anywhere, as ...

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