July 2005
Intermediate to advanced
1032 pages
27h 10m
English
Content preview from PostgreSQL, Second Edition
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Securing the PostgreSQL Data Files
The first step in securing a PostgreSQL installation is to secure the actual data files that comprise each database. PostgreSQL is typically installed in the /usr/local/pgsql directory. Executables (such as psql, initdb, and the postmaster) are often installed in the /usr/local/pgsql/bin directory. If you have a typical installation, you can expect to find data files: databases, configuration, and security information in /usr/local/pgsql/data. I'll refer to this last directory as $PGDATA. PostgreSQL uses the $PGDATA environment variable to find its data files.
Let's start by looking at the directory structure of a PostgreSQL installation (see Figure 23.1):
Figure 23.1. The directory structure of a PostgreSQL ...
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