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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.docbook.org/xml/4.5/docbookx.dtd">
<refentry lang="en">
<refentryinfo>
<productname>RabbitMQ Server</productname>
<authorgroup>
<corpauthor>The RabbitMQ Team <<ulink url="mailto:info@rabbitmq.com"><email>info@rabbitmq.com</email></ulink>></corpauthor>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>rabbitmq-env.conf</refentrytitle>
<manvolnum>5</manvolnum>
<refmiscinfo class="manual">RabbitMQ Server</refmiscinfo>
</refmeta>
<refnamediv>
<refname>rabbitmq-env.conf</refname>
<refpurpose>default settings for RabbitMQ AMQP server</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
<filename>/etc/rabbitmq/rabbitmq-env.conf</filename> contains variable settings that override the
defaults built in to the RabbitMQ startup scripts.
</para>
<para>
The file is interpreted by the system shell, and so should consist of
a sequence of shell environment variable definitions. Normal shell
syntax is permitted (since the file is sourced using the shell "."
operator), including line comments starting with "#".
</para>
<para>
In order of preference, the startup scripts get their values from the
environment, from <filename>/etc/rabbitmq/rabbitmq-env.conf</filename> and finally from the
built-in default values. For example, for the <envar>RABBITMQ_NODENAME</envar>
setting,
</para>
<para>
<envar>RABBITMQ_NODENAME</envar>
</para>
<para>
from the environment is checked first. If it is absent or equal to the
empty string, then
</para>
<para>
<envar>NODENAME</envar>
</para>
<para>
from <filename>/etc/rabbitmq/rabbitmq-env.conf</filename> is checked. If it is also absent
or set equal to the empty string then the default value from the
startup script is used.
</para>
<para>
The variable names in /etc/rabbitmq/rabbitmq-env.conf are always equal to the
environment variable names, with the <envar>RABBITMQ_</envar> prefix removed:
<envar>RABBITMQ_NODE_PORT</envar> from the environment becomes <envar>NODE_PORT</envar> in the
<filename>/etc/rabbitmq/rabbitmq-env.conf</filename> file, etc.
</para>
<para role="example-prefix">For example:</para>
<screen role="example-multiline">
# I am a complete /etc/rabbitmq/rabbitmq-env.conf file.
# Comment lines start with a hash character.
# This is a /bin/sh script file - use ordinary envt var syntax
NODENAME=hare
</screen>
<para role="example">
This is an example of a complete
<filename>/etc/rabbitmq/rabbitmq-env.conf</filename> file that overrides the default Erlang
node name from "rabbit" to "hare".
</para>
</refsect1>
<refsect1>
<title>See also</title>
<para>
<citerefentry><refentrytitle>rabbitmq-server</refentrytitle><manvolnum>1</manvolnum></citerefentry>
<citerefentry><refentrytitle>rabbitmqctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>
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