<?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 % aptent SYSTEM "apt.ent"> %aptent;
+<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent"> %aptverbatiment;
+<!ENTITY % aptvendor SYSTEM "apt-vendor.ent"> %aptvendor;
]>
<refentry>
<refsect1><title>Description</title>
<para><command>apt-get</command> is the command-line tool for handling packages, and may be
considered the user's "back-end" to other tools using the APT
- library. Several "front-end" interfaces exist, such as &dselect;,
+ library. Several "front-end" interfaces exist, such as
&aptitude;, &synaptic; and &wajig;.</para>
<para>Unless the <option>-h</option>, or <option>--help</option> option is given, one of the
<listitem><para><literal>clean</literal> clears out the local repository of retrieved package
files. It removes everything but the lock file from
<filename>&cachedir;/archives/</filename> and
- <filename>&cachedir;/archives/partial/</filename>. When APT is used as a
- &dselect; method, <literal>clean</literal> is run automatically.
- Those who do not use dselect will likely want to run <literal>apt-get clean</literal>
- from time to time to free up disk space.</para></listitem>
+ <filename>&cachedir;/archives/partial/</filename>.</para></listitem>
</varlistentry>
<varlistentry><term><option>autoclean</option></term>
</varlistentry>
<varlistentry><term><option>changelog</option></term>
- <listitem><para><literal>changelog</literal> downloads a package changelog and displays
- it through <command>sensible-pager</command>. The server name and base
- directory is defined in the <literal>APT::Changelogs::Server</literal>
- variable (e.g. <ulink url="http://packages.debian.org/changelogs">packages.debian.org/changelogs</ulink> for
- Debian or <ulink url="http://changelogs.ubuntu.com/changelogs">changelogs.ubuntu.com/changelogs</ulink> for
- Ubuntu).
- By default it displays the changelog for the version that is
- installed. However, you can specify the same options as for
- the <option>install</option> command.
- </para>
+ <listitem><para><literal>changelog</literal> tries to download the
+ changelog of a package and displays it through
+ <command>sensible-pager</command>. By default it
+ displays the changelog for the version that is installed.
+ However, you can specify the same options as for the
+ <option>install</option> command.</para>
</listitem>
</varlistentry>
+ <varlistentry><term><option>indextargets</option></term>
+ <listitem><para>Displays by default a deb822 formatted listing of
+ information about all data files (aka index targets) <command>apt-get
+ update</command> would download. Supports a
+ <option>--format</option> option to modify the output format as
+ well as accepts lines of the default output to filter the records
+ by. The command is mainly used as an interface for external tools
+ working with APT to get information as well as filenames for
+ downloaded files so they can use them as well instead of
+ downloading them again on their own. Detailed documentation is
+ omitted here and can instead be found in the source tree in
+ <literal><filename>doc/acquire-additional-files.txt</filename></literal>.
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
running APT for the first time; APT itself does not allow broken package
dependencies to exist on a system. It is possible that a system's
dependency structure can be so corrupt as to require manual intervention
- (which usually means using &dselect; or <command>dpkg --remove</command> to eliminate some of
+ (which usually means using <command>dpkg --remove</command> to eliminate some of
the offending packages). Use of this option together with <option>-m</option> may produce an
error in some situations.
Configuration Item: <literal>APT::Get::Fix-Broken</literal>.</para></listitem>
<term><option>--dry-run</option></term>
<term><option>--recon</option></term>
<term><option>--no-act</option></term>
- <listitem><para>No action; perform a simulation of events that would occur but do not
- actually change the system.
- Configuration Item: <literal>APT::Get::Simulate</literal>.</para>
-
- <para>Simulated runs performed as a user will automatically deactivate locking
- (<literal>Debug::NoLocking</literal>), and if the option
- <literal>APT::Get::Show-User-Simulation-Note</literal> is set
- (as it is by default) a notice will also be displayed indicating that
- this is only a simulation. Runs performed as root do not trigger either
- NoLocking or the notice - superusers should know what they are doing
- without further warnings from <literal>apt-get</literal>.</para>
+ <listitem><para>No action; perform a simulation of events that would occur
+ based on the current system state but do not actually change the
+ system. Locking will be disabled (<option>Debug::NoLocking</option>)
+ so the system state could change while <command>apt-get</command> is
+ running. Simulations can also be executed by non-root users which might
+ not have read access to all apt configuration distorting the simulation.
+ A notice expressing this warning is also shown by default for non-root
+ users (<option>APT::Get::Show-User-Simulation-Note</option>).
+ Configuration Item: <literal>APT::Get::Simulate</literal>.</para>
<para>Simulated runs print out a series of lines, each representing a <command>dpkg</command>
operation: configure (<literal>Conf</literal>), remove (<literal>Remv</literal>)
by <command>apt-get source --compile</command> and how cross-builddependencies
are satisfied. By default is it not set which means that the host architecture
is the same as the build architecture (which is defined by <literal>APT::Architecture</literal>).
- Configuration Item: <literal>APT::Get::Host-Architecture</literal>
+ Configuration Item: <literal>APT::Get::Host-Architecture</literal>.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry><term><option>-P</option></term>
+ <term><option>--build-profiles</option></term>
+ <listitem><para>This option controls the activated build profiles for which
+ a source package is built by <command>apt-get source --compile</command> and
+ how build dependencies are satisfied. By default no build profile is active.
+ More than one build profile can be activated at a time by concatenating them
+ with a comma.
+ Configuration Item: <literal>APT::Build-Profiles</literal>.
</para></listitem>
</varlistentry>
Configuration Item: <literal>APT::Ignore-Hold</literal>.</para></listitem>
</varlistentry>
+ <varlistentry><term><option>--with-new-pkgs</option></term>
+ <listitem><para>Allow installing new packages when used in
+ conjunction with <literal>upgrade</literal>. This is useful if
+ the update of a installed package requires new dependencies to be
+ installed. Instead of holding the package back <literal>upgrade</literal>
+ will upgrade the package and install the new dependencies. Note that
+ <literal>upgrade</literal> with this option will never remove packages,
+ only allow adding new ones.
+ Configuration Item: <literal>APT::Get::Upgrade-Allow-New</literal>.
+ </para></listitem>
+ </varlistentry>
+
<varlistentry><term><option>--no-upgrade</option></term>
<listitem><para>Do not upgrade packages; when used in conjunction with <literal>install</literal>,
<literal>no-upgrade</literal> will prevent packages on the command line
</varlistentry>
<varlistentry><term><option>--allow-unauthenticated</option></term>
- <listitem><para>Ignore if packages can't be authenticated and don't prompt about it.
- This is useful for tools like pbuilder.
- Configuration Item: <literal>APT::Get::AllowUnauthenticated</literal>.</para></listitem>
+ <listitem><para>Ignore if packages can't be authenticated and don't prompt
+ about it. This can be useful while working with local repositories,
+ but is a huge security risk if data authenticity isn't ensured in
+ another way by the user itself. The usage of the
+ <option>Trusted</option> option for &sources-list; entries should
+ usually be preferred over this global override. Configuration Item:
+ <literal>APT::Get::AllowUnauthenticated</literal>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry><term><option>--no-allow-insecure-repositories</option></term>
+ <listitem><para>Forbid the update command to acquire unverifiable
+ data from configured sources. Apt will fail at the update command
+ for repositories without valid cryptographically signatures.
+
+ Configuration Item: <literal>Acquire::AllowInsecureRepositories</literal>.</para></listitem>
</varlistentry>
<varlistentry><term><option>--show-progress</option></term>
terminal window when packages are installed, upgraded or
removed. For a machine parsable version of this data see
README.progress-reporting in the apt doc directory.
- <literal>DpkgPM::Progress</literal>.</para></listitem>
+ Configuration Item: <literal>Dpkg::Progress</literal> and <literal>Dpkg::Progress-Fancy</literal>.</para></listitem>
</varlistentry>
</refsect1>
<refsect1><title>See Also</title>
- <para>&apt-cache;, &apt-cdrom;, &dpkg;, &dselect;, &sources-list;,
+ <para>&apt-cache;, &apt-cdrom;, &dpkg;, &sources-list;,
&apt-conf;, &apt-config;, &apt-secure;,
The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto.</para>
</refsect1>
projects / apt.git / blobdiff