<?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % aptent SYSTEM "apt.ent">
%aptent;
&apt-email;
&apt-product;
<!-- The last update date -->
- <date>29 February 2004</date>
+ <date>2004-02-29T00:00:00Z</date>
</refentryinfo>
<refmeta>
<refsect1><title>Description</title>
<para>The package resource list is used to locate archives of the package
distribution system in use on the system. At this time, this manual page
- documents only the packaging system used by the Debian GNU/Linux system.
+ documents only the packaging system used by the Debian system.
This control file is <filename>/etc/apt/sources.list</filename>.</para>
<para>The source list is designed to support any number of active sources and a
File names need to end with
<filename>.list</filename> and may only contain letters (a-z and A-Z),
digits (0-9), underscore (_), hyphen (-) and period (.) characters.
- Otherwise they will be silently ignored.</para>
+ Otherwise APT will print a notice that it has ignored a file, unless that
+ file matches a pattern in the <literal>Dir::Ignore-Files-Silently</literal>
+ configuration list - in this case it will be silently ignored.</para>
</refsect1>
<refsect1><title>The deb and deb-src types</title>
<para>The format for a <filename>sources.list</filename> entry using the
<literal>deb</literal> and <literal>deb-src</literal> types is:</para>
- <literallayout>deb uri distribution [component1] [component2] [...]</literallayout>
+ <literallayout>deb [ options ] uri distribution [component1] [component2] [...]</literallayout>
<para>The URI for the <literal>deb</literal> type must specify the base of the
Debian distribution, from which APT will find the information it needs.
simultaneous anonymous users. APT also parallelizes connections to
different hosts to more effectively deal with sites with low bandwidth.</para>
+ <para><literal>options</literal> is always optional and needs to be surounded by
+ square brackets. It can consist of multiple settings in the form
+ <literal><replaceable>setting</replaceable>=<replaceable>value</replaceable></literal>.
+ Multiple settings are separated by spaces. The following settings are supported by APT,
+ note though that unsupported settings will be ignored silently:
+ <itemizedlist><listitem><para><literal>arch=<replaceable>arch1</replaceable>,<replaceable>arch2</replaceable>,…</literal>
+ can be used to specify for which architectures packages information should
+ be downloaded. If this option is not set all architectures defined by the
+ <literal>APT::Architectures</literal> option will be downloaded.</para></listitem>
+ <listitem><para><literal>trusted=yes</literal> can be set to indicate that packages
+ from this source are always authenticated even if the <filename>Release</filename> file
+ is not signed or the signature can't be checked. This disables parts of &apt-secure;
+ and should therefore only be used in a local and trusted context. <literal>trusted=no</literal>
+ is the opposite which handles even correctly authenticated sources as not authenticated.</para></listitem>
+ </itemizedlist></para>
+
<para>It is important to list sources in order of preference, with the most
preferred source listed first. Typically this will result in sorting
by speed from fastest to slowest (CD-ROM followed by hosts on a local
<refsect1><title>URI specification</title>
- <para>The currently recognized URI types are cdrom, file, http, ftp, copy,
- ssh, rsh.
+ <para>The currently recognized URI types are:
<variablelist>
- <varlistentry><term>file</term>
+ <varlistentry><term><command>file</command></term>
<listitem><para>
The file scheme allows an arbitrary directory in the file system to be
considered an archive. This is useful for NFS mounts and local mirrors or
archives.</para></listitem>
</varlistentry>
- <varlistentry><term>cdrom</term>
+ <varlistentry><term><command>cdrom</command></term>
<listitem><para>
- The cdrom scheme allows APT to use a local CDROM drive with media
+ The cdrom scheme allows APT to use a local CD-ROM drive with media
swapping. Use the &apt-cdrom; program to create cdrom entries in the
source list.</para></listitem>
</varlistentry>
- <varlistentry><term>http</term>
+ <varlistentry><term><command>http</command></term>
<listitem><para>
The http scheme specifies an HTTP server for the archive. If an environment
variable <envar>http_proxy</envar> is set with the format
Note that this is an insecure method of authentication.</para></listitem>
</varlistentry>
- <varlistentry><term>ftp</term>
+ <varlistentry><term><command>ftp</command></term>
<listitem><para>
The ftp scheme specifies an FTP server for the archive. APT's FTP behavior
is highly configurable; for more information see the
the configuration file will be ignored.</para></listitem>
</varlistentry>
- <varlistentry><term>copy</term>
+ <varlistentry><term><command>copy</command></term>
<listitem><para>
The copy scheme is identical to the file scheme except that packages are
copied into the cache directory instead of used directly at their location.
This is useful for people using a zip disk to copy files around with APT.</para></listitem>
</varlistentry>
- <varlistentry><term>rsh</term><term>ssh</term>
+ <varlistentry><term><command>rsh</command></term><term><command>ssh</command></term>
<listitem><para>
The rsh/ssh method invokes rsh/ssh to connect to a remote host
as a given user and access the files. It is a good idea to do prior
commands to perform the file transfers from the remote.</para></listitem>
</varlistentry>
- <varlistentry><term>more recognizable URI types</term>
+ <varlistentry><term>adding more recognizable URI types</term>
<listitem><para>
APT can be extended with more methods shipped in other optional packages which should
- follow the nameing scheme <literal>apt-transport-<replaceable>method</replaceable></literal>.
- The APT team e.g. maintains also the <literal>apt-transport-https</literal> package which
+ follow the nameing scheme <package>apt-transport-<replaceable>method</replaceable></package>.
+ The APT team e.g. maintains also the <package>apt-transport-https</package> package which
provides access methods for https-URIs with features similar to the http method, but other
- methods for using e.g. debtorrent are also available, see <citerefentry>
- <refentrytitle><filename>apt-transport-debtorrent</filename></refentrytitle>
- <manvolnum>1</manvolnum></citerefentry>.
+ methods for using e.g. debtorrent are also available, see &apt-transport-debtorrent;.
</para></listitem>
</varlistentry>
</variablelist>
<para>Source line for the above</para>
<literallayout>deb-src file:/home/jason/debian unstable main contrib non-free</literallayout>
+ <para>The first line gets package information for the architectures in <literal>APT::Architectures</literal>
+ while the second always retrieves <literal>amd64</literal> and <literal>armel</literal>.</para>
+ <literallayout>deb http://ftp.debian.org/debian &stable-codename; main
+deb [ arch=amd64,armel ] http://ftp.debian.org/debian &stable-codename; main</literallayout>
+
<para>Uses HTTP to access the archive at archive.debian.org, and uses only
the hamm/main area.</para>
<literallayout>deb http://archive.debian.org/debian-archive hamm main</literallayout>