X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d2cca6ec46865a1f5167f846e67150dc19ca2022..8d89cda7d66b6f125c457f36beeb84abb0df07f1:/doc/apt-get.8.xml?ds=sidebyside diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml index cc4e82255..60fa46f97 100644 --- a/doc/apt-get.8.xml +++ b/doc/apt-get.8.xml @@ -1,13 +1,9 @@ <?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> @@ -18,7 +14,7 @@ &apt-email; &apt-product; <!-- The last update date --> - <date>2012-06-09T00:00:00Z</date> + <date>2015-08-14T00:00:00Z</date> </refentryinfo> <refmeta> @@ -38,7 +34,7 @@ <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 @@ -215,13 +211,10 @@ <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><term><option>autoclean</option> (and the <option>auto-clean</option> alias since 1.1)</term> <listitem><para>Like <literal>clean</literal>, <literal>autoclean</literal> clears out the local repository of retrieved package files. The difference is that it only removes package files that can no longer be downloaded, and are largely @@ -231,25 +224,36 @@ erased if it is set to off.</para></listitem> </varlistentry> - <varlistentry><term><option>autoremove</option></term> + <varlistentry><term><option>autoremove</option> (and the <option>auto-remove</option> alias since 1.1)</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.</para></listitem> </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> @@ -282,7 +286,7 @@ 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> @@ -323,17 +327,15 @@ <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>) @@ -372,7 +374,18 @@ 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> @@ -389,6 +402,18 @@ 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 @@ -404,12 +429,36 @@ Configuration Item: <literal>APT::Get::Only-Upgrade</literal>.</para></listitem> </varlistentry> + <varlistentry><term><option>--allow-downgrades</option></term> + <listitem><para>This is a dangerous option that will cause apt to continue + without prompting if it is doing downgrades. It + should not be used except in very special situations. Using + it can potentially destroy your system! + Configuration Item: <literal>APT::Get::allow-downgrades</literal>. Introduced in APT 1.1.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--allow-remove-essential</option></term> + <listitem><para>Force yes; this is a dangerous option that will cause apt to continue + without prompting if it is removing essentials. It + should not be used except in very special situations. Using + it can potentially destroy your system! + Configuration Item: <literal>APT::Get::allow-remove-essential</literal>. Introduced in APT 1.1.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--allow-change-held-packages</option></term> + <listitem><para>Force yes; this is a dangerous option that will cause apt to continue + without prompting if it is changing held packages. It + should not be used except in very special situations. Using + it can potentially destroy your system! + Configuration Item: <literal>APT::Get::allow-change-held-packages</literal>. Introduced in APT 1.1.</para></listitem> + </varlistentry> + <varlistentry><term><option>--force-yes</option></term> <listitem><para>Force yes; this is a dangerous option that will cause apt to continue without prompting if it is doing something potentially harmful. It should not be used except in very special situations. Using <literal>force-yes</literal> can potentially destroy your system! - Configuration Item: <literal>APT::Get::force-yes</literal>.</para></listitem> + Configuration Item: <literal>APT::Get::force-yes</literal>. This is deprecated and replaced by <option>--allow-downgrades</option>, <option>--allow-remove-essential</option>, <option>--allow-change-held-packages</option> in 1.1. </para></listitem> </varlistentry> <varlistentry><term><option>--print-uris</option></term> @@ -504,11 +553,31 @@ </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> + <listitem><para>Show user friendly progress information in the + 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. + Configuration Item: <literal>Dpkg::Progress</literal> and <literal>Dpkg::Progress-Fancy</literal>.</para></listitem> + </varlistentry> + &apt-commonoptions; @@ -526,7 +595,7 @@ </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>