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diff --git a/doc/src/sgml/html/runtime-config-file-locations.html b/doc/src/sgml/html/runtime-config-file-locations.html new file mode 100644 index 0000000..73cf1b2 --- /dev/null +++ b/doc/src/sgml/html/runtime-config-file-locations.html @@ -0,0 +1,74 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>20.2. File Locations</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="config-setting.html" title="20.1. Setting Parameters" /><link rel="next" href="runtime-config-connection.html" title="20.3. Connections and Authentication" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">20.2. File Locations</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="config-setting.html" title="20.1. Setting Parameters">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="runtime-config.html" title="Chapter 20. Server Configuration">Up</a></td><th width="60%" align="center">Chapter 20. Server Configuration</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="runtime-config-connection.html" title="20.3. Connections and Authentication">Next</a></td></tr></table><hr /></div><div class="sect1" id="RUNTIME-CONFIG-FILE-LOCATIONS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">20.2. File Locations</h2></div></div></div><p> + In addition to the <code class="filename">postgresql.conf</code> file + already mentioned, <span class="productname">PostgreSQL</span> uses + two other manually-edited configuration files, which control + client authentication (their use is discussed in <a class="xref" href="client-authentication.html" title="Chapter 21. Client Authentication">Chapter 21</a>). By default, all three + configuration files are stored in the database cluster's data + directory. The parameters described in this section allow the + configuration files to be placed elsewhere. (Doing so can ease + administration. In particular it is often easier to ensure that + the configuration files are properly backed-up when they are + kept separate.) + </p><div class="variablelist"><dl class="variablelist"><dt id="GUC-DATA-DIRECTORY"><span class="term"><code class="varname">data_directory</code> (<code class="type">string</code>) + <a id="id-1.6.7.5.3.1.1.3" class="indexterm"></a> + </span></dt><dd><p> + Specifies the directory to use for data storage. + This parameter can only be set at server start. + </p></dd><dt id="GUC-CONFIG-FILE"><span class="term"><code class="varname">config_file</code> (<code class="type">string</code>) + <a id="id-1.6.7.5.3.2.1.3" class="indexterm"></a> + </span></dt><dd><p> + Specifies the main server configuration file + (customarily called <code class="filename">postgresql.conf</code>). + This parameter can only be set on the <code class="command">postgres</code> command line. + </p></dd><dt id="GUC-HBA-FILE"><span class="term"><code class="varname">hba_file</code> (<code class="type">string</code>) + <a id="id-1.6.7.5.3.3.1.3" class="indexterm"></a> + </span></dt><dd><p> + Specifies the configuration file for host-based authentication + (customarily called <code class="filename">pg_hba.conf</code>). + This parameter can only be set at server start. + </p></dd><dt id="GUC-IDENT-FILE"><span class="term"><code class="varname">ident_file</code> (<code class="type">string</code>) + <a id="id-1.6.7.5.3.4.1.3" class="indexterm"></a> + </span></dt><dd><p> + Specifies the configuration file for user name mapping + (customarily called <code class="filename">pg_ident.conf</code>). + This parameter can only be set at server start. + See also <a class="xref" href="auth-username-maps.html" title="21.2. User Name Maps">Section 21.2</a>. + </p></dd><dt id="GUC-EXTERNAL-PID-FILE"><span class="term"><code class="varname">external_pid_file</code> (<code class="type">string</code>) + <a id="id-1.6.7.5.3.5.1.3" class="indexterm"></a> + </span></dt><dd><p> + Specifies the name of an additional process-ID (PID) file that the + server should create for use by server administration programs. + This parameter can only be set at server start. + </p></dd></dl></div><p> + In a default installation, none of the above parameters are set + explicitly. Instead, the + data directory is specified by the <code class="option">-D</code> command-line + option or the <code class="envar">PGDATA</code> environment variable, and the + configuration files are all found within the data directory. + </p><p> + If you wish to keep the configuration files elsewhere than the + data directory, the <code class="command">postgres</code> <code class="option">-D</code> + command-line option or <code class="envar">PGDATA</code> environment variable + must point to the directory containing the configuration files, + and the <code class="varname">data_directory</code> parameter must be set in + <code class="filename">postgresql.conf</code> (or on the command line) to show + where the data directory is actually located. Notice that + <code class="varname">data_directory</code> overrides <code class="option">-D</code> and + <code class="envar">PGDATA</code> for the location + of the data directory, but not for the location of the configuration + files. + </p><p> + If you wish, you can specify the configuration file names and locations + individually using the parameters <code class="varname">config_file</code>, + <code class="varname">hba_file</code> and/or <code class="varname">ident_file</code>. + <code class="varname">config_file</code> can only be specified on the + <code class="command">postgres</code> command line, but the others can be + set within the main configuration file. If all three parameters plus + <code class="varname">data_directory</code> are explicitly set, then it is not necessary + to specify <code class="option">-D</code> or <code class="envar">PGDATA</code>. + </p><p> + When setting any of these parameters, a relative path will be interpreted + with respect to the directory in which <code class="command">postgres</code> + is started. + </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="config-setting.html" title="20.1. Setting Parameters">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="runtime-config.html" title="Chapter 20. Server Configuration">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="runtime-config-connection.html" title="20.3. Connections and Authentication">Next</a></td></tr><tr><td width="40%" align="left" valign="top">20.1. Setting Parameters </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 20.3. Connections and Authentication</td></tr></table></div></body></html>
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