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diff --git a/doc/apt.8.xml b/doc/apt.8.xml new file mode 100644 index 0000000..e341578 --- /dev/null +++ b/doc/apt.8.xml @@ -0,0 +1,186 @@ +<?xml version="1.0" encoding="utf-8" standalone="no"?> +<!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> + + <refentryinfo> + &apt-author.team; + &apt-email; + &apt-product; + <!-- The last update date --> + <date>2020-04-05T00:00:00Z</date> + </refentryinfo> + + <refmeta> + <refentrytitle>apt</refentrytitle> + <manvolnum>8</manvolnum> + <refmiscinfo class="manual">APT</refmiscinfo> + </refmeta> + + <!-- Man page title --> + <refnamediv> + <refname>apt</refname> + <refpurpose>command-line interface</refpurpose> + </refnamediv> + + &synopsis-command-apt; + + <refsect1><title>Description</title> + <para><command>apt</command> provides a high-level commandline interface for + the package management system. It is intended as an end user interface and + enables some options better suited for interactive usage by default + compared to more specialized APT tools like &apt-get; and &apt-cache;. + </para><para> + Much like <command>apt</command> itself, its manpage is intended as an end + user interface and as such only mentions the most used commands and options + partly to not duplicate information in multiple places and partly to avoid + overwhelming readers with a cornucopia of options and details. + </para> + + <variablelist> + <varlistentry><term><option>update</option> (&apt-get;)</term> + <listitem><para><option>update</option> is used to download package + information from all configured sources. Other commands operate on + this data to e.g. perform package upgrades or search in and display + details about all packages available for installation. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>upgrade</option> (&apt-get;)</term> + <listitem><para><option>upgrade</option> is used to install available + upgrades of all packages currently installed on the system from the + sources configured via &sources-list;. New packages will be + installed if required to satisfy dependencies, but existing + packages will never be removed. If an upgrade for a package requires + the removal of an installed package the upgrade for this package + isn't performed. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>full-upgrade</option> (&apt-get;)</term> + <listitem><para><literal>full-upgrade</literal> performs the function of + upgrade but will remove currently installed packages if this is + needed to upgrade the system as a whole. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>install</option>, <option>reinstall</option>, <option>remove</option>, <option>purge</option> (&apt-get;)</term> + <listitem><para>Performs the requested action on one or more packages + specified via ®ex;, &glob; or exact match. The requested action + can be overridden for specific packages by appending a plus (+) to the + package name to install this package or a minus (-) to remove it. + </para><para> + A specific version of a package can be selected for installation by + following the package name with an equals (=) and the version of the + package to select. Alternatively the version from a specific release can be + selected by following the package name with a forward slash (/) and + codename (&debian-stable-codename;, &debian-testing-codename;, sid …) or suite name (stable, + testing, unstable). This will also select versions from this release + for dependencies of this package if needed to satisfy the request. + </para><para> + Removing a package removes all packaged data, but leaves usually + small (modified) user configuration files behind, in case the + remove was an accident. Just issuing an installation request for the + accidentally removed package will restore its function as before in + that case. On the other hand you can get rid of these leftovers + by calling <command>purge</command> even on already removed + packages. Note that this does not affect any data or configuration + stored in your home directory. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>autoremove</option> (&apt-get;)</term> + <listitem><para> + <literal>autoremove</literal> is used to remove packages that were + automatically installed to satisfy dependencies for other packages + and are now no longer needed as dependencies changed or the package(s) + needing them were removed in the meantime. + </para><para> + You should check that the list does not include applications you have + grown to like even though they were once installed just as a + dependency of another package. You can mark such a package as manually + installed by using &apt-mark;. Packages which you have installed explicitly + via <command>install</command> are also never proposed for automatic removal. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>satisfy</option> (&apt-get;)</term> + <listitem><para><option>satisfy</option> satisfies dependency strings, as + used in Build-Depends. It also handles conflicts, by prefixing an argument + with <literal>"Conflicts: "</literal>. + </para><para>Example: <literal>apt satisfy "foo, bar (>= 1.0)" "Conflicts: baz, fuzz"</literal> + </para></listitem> + </varlistentry> + + + <varlistentry><term><option>search</option> (&apt-cache;)</term> + <listitem><para><option>search</option> can be used to search for the given + ®ex; term(s) in the list of available packages and display + matches. This can e.g. be useful if you are looking for packages + having a specific feature. If you are looking for a package + including a specific file try &apt-file;. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>show</option> (&apt-cache;)</term> + <listitem><para>Show information about the given package(s) including + its dependencies, installation and download size, sources the + package is available from, the description of the packages content + and much more. It can e.g. be helpful to look at this information + before allowing &apt; to remove a package or while searching for + new packages to install. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>list</option></term> + <listitem><para><option>list</option> is somewhat similar to <command>dpkg-query --list</command> + in that it can display a list of packages satisfying certain + criteria. It supports &glob; patterns for matching package names as + well as options to list installed (<option>--installed</option>), + upgradeable (<option>--upgradeable</option>) or all available + (<option>--all-versions</option>) versions. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>edit-sources</option> (work-in-progress)</term> + <listitem><para><literal>edit-sources</literal> lets you edit + your &sources-list; files in your preferred text editor while also + providing basic sanity checks. + </para></listitem> + </varlistentry> + + + </variablelist> + </refsect1> + + <refsect1><title>Script Usage and Differences from Other APT Tools</title> + <para> + The &apt; commandline is designed as an end-user tool and it may + change behavior between versions. While it tries not to break + backward compatibility this is not guaranteed either if a change + seems beneficial for interactive use. + </para><para> + All features of &apt; are available in dedicated APT tools like &apt-get; + and &apt-cache; as well. &apt; just changes the default value of some + options (see &apt-conf; and specifically the Binary scope). So you should + prefer using these commands (potentially with some additional options + enabled) in your scripts as they keep backward compatibility as much as possible. + </para> + </refsect1> + + <refsect1><title>See Also</title> + <para>&apt-get;, &apt-cache;, &sources-list;, + &apt-conf;, &apt-config;, + The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto.</para> + </refsect1> + + <refsect1><title>Diagnostics</title> + <para><command>apt</command> returns zero on normal operation, decimal 100 on error.</para> + </refsect1> + &manbugs; +</refentry> |