X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/c5ca2c52a98fcb50de6429cf370ed5b6b7602a00..ffbe056dc554b3f1fdf79b4726415a70f6d59dc1:/doc/sources.list.5.xml diff --git a/doc/sources.list.5.xml b/doc/sources.list.5.xml index bf8356348..da4f571b5 100644 --- a/doc/sources.list.5.xml +++ b/doc/sources.list.5.xml @@ -1,13 +1,9 @@ <?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" [ - -<!ENTITY % aptent SYSTEM "apt.ent"> -%aptent; - -<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent"> -%aptverbatiment; - +<!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; +<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent"> %aptverbatiment; +<!ENTITY % aptvendor SYSTEM "apt-vendor.ent"> %aptvendor; ]> <refentry> @@ -18,7 +14,7 @@ &apt-email; &apt-product; <!-- The last update date --> - <date>29 February 2004</date> + <date>2014-01-18T00:00:00Z</date> </refentryinfo> <refmeta> @@ -30,24 +26,24 @@ <!-- Man page title --> <refnamediv> <refname>sources.list</refname> - <refpurpose>Package resource list for APT</refpurpose> + <refpurpose>List of configured APT data sources</refpurpose> </refnamediv> <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. - 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 - variety of source media. The file lists one source per line, with the - most preferred source listed first. The format of each line is: - <literal>type uri args</literal> The first item, <literal>type</literal> - determines the format for <literal>args</literal>. <literal>uri</literal> is - a Universal Resource Identifier - (URI), which is a superset of the more specific and well-known Universal - Resource Locator, or URL. The rest of the line can be marked as a comment - by using a #.</para> + <para> + The source list <filename>/etc/apt/sources.list</filename> is designed to support + any number of active sources and a variety of source media. The file lists one + source per line, with the most preferred source listed first. The information available + from the configured sources is acquired by <command>apt-get update</command> + (or by an equivalent command from another APT front-end). + </para> + <para> + Each line specifying a source starts with type (e.g. <literal>deb-src</literal>) + followed by options and arguments for this type. + Individual entries cannot be continued onto a following line. Empty lines + are ignored, and a <literal>#</literal> character anywhere on a line marks + the remainder of that line as a comment. + </para> </refsect1> <refsect1><title>sources.list.d</title> @@ -57,72 +53,98 @@ 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 APT will print a notice that it has ignored a file if the file - doesn't match a pattern in the <literal>Dir::Ignore-Files-Silently</literal> - configuration list - in this case it 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 which case it will be silently ignored.</para> </refsect1> <refsect1><title>The deb and deb-src types</title> - <para>The <literal>deb</literal> type describes a typical two-level Debian - archive, <filename>distribution/component</filename>. Typically, - <literal>distribution</literal> is generally an archivename like + <para>The <literal>deb</literal> type references a typical two-level Debian + archive, <filename>distribution/component</filename>. The + <literal>distribution</literal> is generally an archive name like <literal>stable</literal> or <literal>testing</literal> or a codename like <literal>&stable-codename;</literal> or <literal>&testing-codename;</literal> - while component is one of <literal>main</literal> <literal>contrib</literal> or + while component is one of <literal>main</literal>, <literal>contrib</literal> or <literal>non-free</literal>. The - <literal>deb-src</literal> type describes a debian distribution's source + <literal>deb-src</literal> type references a Debian distribution's source code in the same form as the <literal>deb</literal> type. A <literal>deb-src</literal> line is required to fetch source indexes.</para> - <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 [ options ] uri distribution [component1] [component2] [...]</literallayout> + <literallayout>deb [ options ] uri suite [component1] [component2] [...]</literallayout> + + <para>Alternatively a rfc822 style format is also supported: + <literallayout> + Types: deb deb-src + URIs: http://example.com + Suites: stable testing + Sections: component1 component2 + Description: short + long long long + [option1]: [option1-value] + + Types: deb + URIs: http://another.example.com + Suites: experimental + Sections: component1 component2 + Enabled: no + Description: short + long long long + [option1]: [option1-value] + </literallayout> + </para> <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. - <literal>distribution</literal> can specify an exact path, in which case the - components must be omitted and <literal>distribution</literal> must end with - a slash (/). This is useful for when the case only a particular sub-section of the - archive denoted by the URI is of interest. - If <literal>distribution</literal> does not specify an exact path, at least + <literal>suite</literal> can specify an exact path, in which case the + components must be omitted and <literal>suite</literal> must end with + a slash (<literal>/</literal>). This is useful for the case when only a + particular sub-section of the archive denoted by the URI is of interest. + If <literal>suite</literal> does not specify an exact path, at least one <literal>component</literal> must be present.</para> - <para><literal>distribution</literal> may also contain a variable, + <para><literal>suite</literal> may also contain a variable, <literal>$(ARCH)</literal> - which expands to the Debian architecture (i386, m68k, powerpc, ...) - used on the system. This permits architecture-independent + which expands to the Debian architecture (such as <literal>amd64</literal> or + <literal>armel</literal>) used on the system. This permits architecture-independent <filename>sources.list</filename> files to be used. In general this is only of interest when specifying an exact path, <literal>APT</literal> will automatically generate a URI with the current architecture otherwise.</para> - <para>Since only one distribution can be specified per line it may be necessary - to have multiple lines for the same URI, if a subset of all available - distributions or components at that location is desired. - APT will sort the URI list after it has generated a complete set - internally, and will collapse multiple references to the same Internet - host, for instance, into a single connection, so that it does not - inefficiently establish an FTP connection, close it, do something else, - and then re-establish a connection to that same host. This feature is - useful for accessing busy FTP sites with limits on the number of - 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 + <para>In the traditional style sources.list format since only one + distribution can be specified per line it may be necessary to have + multiple lines for the same URI, if a subset of all available + distributions or components at that location is desired. APT will + sort the URI list after it has generated a complete set internally, + and will collapse multiple references to the same Internet host, + for instance, into a single connection, so that it does not + inefficiently establish an FTP connection, close it, do something + else, and then re-establish a connection to that same host. This + feature is useful for accessing busy FTP sites with limits on the + number of 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 surrounded 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 through that unsupported settings will be ignored silently: - <itemizedlist><listitem><para><literal>arch=<replaceable>arch1</replaceable>,<replaceable>arch2</replaceable>,â¦</literal> - can be used to specify for which architectures packages information should + Multiple settings are separated by spaces. The following settings are supported by APT + (note however that unsupported settings will be ignored silently): + <itemizedlist> + <listitem><para><literal>arch=<replaceable>arch1</replaceable>,<replaceable>arch2</replaceable>,â¦</literal> + can be used to specify for which architectures 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>arch+=<replaceable>arch1</replaceable>,<replaceable>arch2</replaceable>,â¦</literal> + and <literal>arch-=<replaceable>arch1</replaceable>,<replaceable>arch2</replaceable>,â¦</literal> + which can be used to add/remove architectures from the set which will be downloaded.</para></listitem> <listitem><para><literal>trusted=yes</literal> can be set to indicate that packages - from this source are always authenificated even if the <filename>Release</filename> file + 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 authenificated sources as not authenificated.</para></listitem> + 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 @@ -140,24 +162,23 @@ deb http://security.debian.org/ &stable-codename;/updates main contrib non-free <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 @@ -168,43 +189,41 @@ deb http://security.debian.org/ &stable-codename;/updates main contrib non-free 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 - &apt-conf; manual page. Please note that a ftp proxy can be specified + &apt-conf; manual page. Please note that an FTP proxy can be specified by using the <envar>ftp_proxy</envar> environment variable. It is possible - to specify a http proxy (http proxy servers often understand ftp urls) - using this method and ONLY this method. ftp proxies using http specified in + to specify an HTTP proxy (HTTP proxy servers often understand FTP URLs) + using this environment variable and <emphasis>only</emphasis> this + environment variable. Proxies using HTTP specified in 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> + This is useful for people using removable media 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 - arrangements with RSA keys or rhosts. - Access to files on the remote uses standard <command>find</command> and - <command>dd</command> - commands to perform the file transfers from the remote.</para></listitem> + The rsh/ssh method invokes RSH/SSH to connect to a remote host and + access the files as a given user. Prior configuration of rhosts or RSA keys + is recommended. The standard <command>find</command> and <command>dd</command> + commands are used to perform the file transfers from the remote host. + </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 - 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>. + APT can be extended with more methods shipped in other optional packages, which should + follow the naming scheme <package>apt-transport-<replaceable>method</replaceable></package>. + For instance, the APT team also maintains the package <package>apt-transport-https</package>, + which provides access methods for HTTPS URIs with features similar to the http method. + Methods for using e.g. debtorrent are also available - see &apt-transport-debtorrent;. </para></listitem> </varlistentry> </variablelist>