DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
</programlisting></informalexample>
- <para>In general the sample configuration file in
- <filename>&docdir;examples/apt.conf</filename> &configureindex;
+ <para>In general the sample configuration file &configureindex;
is a good guide for how it should look.</para>
<para>Case is not significant in names of configuration items, so in the
<para><literal>Acquire::http::AllowRedirect</literal> controls whether APT will follow
redirects, which is enabled by default.</para>
- <para>The used bandwidth can be limited with <literal>Acquire::http::Dl-Limit</literal>
- which accepts integer values in kilobytes. The default value is 0 which deactivates
- the limit and tries to use all available bandwidth (note that this option implicitly
- disables downloading from multiple servers at the same time.)</para>
+ <para>The used bandwidth can be limited with
+ <literal>Acquire::http::Dl-Limit</literal> which accepts integer
+ values in kilobytes per second. The default value is 0 which
+ deactivates the limit and tries to use all available bandwidth.
+ Note that this option implicitly disables downloading from
+ multiple servers at the same time.</para>
<para><literal>Acquire::http::User-Agent</literal> can be used to set a different
User-Agent for the http download method as some proxies allow access for clients
will abort. APT will pass the filenames of all .deb files it is going to
install to the commands, one per line on standard input.</para>
- <para>Version 2 of this protocol dumps more information, including the
+ <para>Version 2 of this protocol dumps more information, including the
protocol version, the APT configuration space and the packages, files
- and versions being changed. Version 2 is enabled by setting
- <literal>DPkg::Tools::options::cmd::Version</literal> to 2. <literal>cmd</literal> is a
- command given to <literal>Pre-Install-Pkgs</literal>.</para></listitem>
+ and versions being changed. Version 3 adds the architecture and <literal>MultiArch</literal>
+ flag to each version being dumped.</para>
+
+ <para>The version of the protocol to be used for the command
+ <literal><replaceable>cmd</replaceable></literal> can be chosen by setting
+ <literal>DPkg::Tools::options::<replaceable>cmd</replaceable>::Version</literal>
+ accordingly, the default being version 1. If APT isn't supporting the requested
+ version it will send the information in the highest version it has support for instead.
+ </para></listitem>
</varlistentry>
<varlistentry><term><option>Run-Directory</option></term>