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<chapter Id="runtime-config">

<title>Server Configuration</title>

<varname>logging_collector</varname> must be enabled to generate

CSV-format log output.

</para>

<note>

<para>

On most Unix systems, you will need to alter the configuration of

your system's <application>syslog</application> daemon in order

to make use of the <systemitem>syslog</systemitem> option for

<varname>log_destination</>. <productname>PostgreSQL</productname>

can log to <application>syslog</application> facilities

<literal>LOCAL0</> through <literal>LOCAL7</> (see <xref

linkend="guc-syslog-facility">), but the default

<application>syslog</application> configuration on most platforms

will discard all such messages. You will need to add something like

<programlisting>

local0.* /var/log/postgresql

</programlisting>

to the <application>syslog</application> daemon's configuration file

to make it work.

</para>

</note>

</listitem>

</varlistentry>