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diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml new file mode 100644 index 000000000..931a4f313 --- /dev/null +++ b/doc/apt-get.8.xml @@ -0,0 +1,618 @@ +<?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.jgunthorpe; + &apt-author.team; + &apt-email; + &apt-product; + <!-- The last update date --> + <date>2017-02-22T00:00:00Z</date> + </refentryinfo> + + <refmeta> + <refentrytitle>apt-get</refentrytitle> + <manvolnum>8</manvolnum> + <refmiscinfo class="manual">APT</refmiscinfo> + </refmeta> + + <!-- Man page title --> + <refnamediv> + <refname>apt-get</refname> + <refpurpose>APT package handling utility -- command-line interface</refpurpose> + </refnamediv> + + &synopsis-command-apt-get; + + <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 + &aptitude;, &synaptic; and &wajig;.</para> + + <para>Unless the <option>-h</option>, or <option>--help</option> option is given, one of the + commands below must be present.</para> + + <variablelist> + <varlistentry><term><option>update</option></term> + <listitem><para><literal>update</literal> is used to resynchronize the package index files from + their sources. The indexes of available packages are fetched from the + location(s) specified in <filename>/etc/apt/sources.list</filename>. + For example, when using a Debian archive, this command retrieves and + scans the <filename>Packages.gz</filename> files, so that information about new + and updated packages is available. An <literal>update</literal> should always be + performed before an <literal>upgrade</literal> or <literal>dist-upgrade</literal>. Please + be aware that the overall progress meter will be incorrect as the size + of the package files cannot be known in advance.</para></listitem> + </varlistentry> + + <varlistentry><term><option>upgrade</option></term> + <listitem><para><literal>upgrade</literal> is used to install the newest versions of all packages + currently installed on the system from the sources enumerated in + <filename>/etc/apt/sources.list</filename>. Packages currently installed with + new versions available are retrieved and upgraded; under no circumstances + are currently installed packages removed, or packages not already installed + retrieved and installed. New versions of currently installed packages that + cannot be upgraded without changing the install status of another package + will be left at their current version. An <literal>update</literal> must be + performed first so that <command>apt-get</command> knows that new versions of packages are + available.</para></listitem> + </varlistentry> + + <varlistentry><term><option>dist-upgrade</option></term> + <listitem><para><literal>dist-upgrade</literal> in addition to performing the function of + <literal>upgrade</literal>, also intelligently handles changing dependencies + with new versions of packages; <command>apt-get</command> has a "smart" conflict + resolution system, and it will attempt to upgrade the most important + packages at the expense of less important ones if necessary. + The <literal>dist-upgrade</literal> command may therefore remove some packages. + The <filename>/etc/apt/sources.list</filename> file contains a list of locations + from which to retrieve desired package files. + See also &apt-preferences; for a mechanism for + overriding the general settings for individual packages.</para></listitem> + </varlistentry> + + <varlistentry><term><option>dselect-upgrade</option></term> + <listitem><para><literal>dselect-upgrade</literal> + is used in conjunction with the traditional Debian packaging + front-end, &dselect;. <literal>dselect-upgrade</literal> + follows the changes made by &dselect; to the <literal>Status</literal> + field of available packages, and performs the actions necessary to realize + that state (for instance, the removal of old and the installation of new + packages).</para></listitem> + </varlistentry> + + <varlistentry><term><option>install</option></term> + <listitem> + <para><literal>install</literal> is followed by one or more + packages desired for installation or upgrading. + Each package is a package name, not a fully qualified + filename (for instance, in a Debian system, + <package>apt-utils</package> would be the argument provided, not + <filename>apt-utils_&apt-product-version;_amd64.deb</filename>). All packages required + by the package(s) specified for installation will also + be retrieved and installed. + The <filename>/etc/apt/sources.list</filename> file is + used to locate the desired packages. If a hyphen is + appended to the package name (with no intervening space), + the identified package will be removed if it is installed. + Similarly a plus sign can be used to designate a + package to install. These latter features may be used + to override decisions made by apt-get's conflict + resolution system. + </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. This will cause that version to be located and selected for + install. Alternatively a specific distribution can be selected by + following the package name with a slash and the version of the + distribution or the Archive name (stable, testing, unstable).</para> + + <para>Both of the version selection mechanisms can downgrade packages and must + be used with care.</para> + + <para>This is also the target to use if you want to upgrade one or + more already-installed packages without upgrading every package + you have on your system. Unlike the "upgrade" target, which + installs the newest version of all currently installed packages, + "install" will install the newest version of only the package(s) + specified. Simply provide the name of the package(s) you wish + to upgrade, and if a newer version is available, it (and its + dependencies, as described above) will be downloaded and + installed. + </para> + + <para>Finally, the &apt-preferences; mechanism allows you to + create an alternative installation policy for + individual packages.</para> + + <para>If no package matches the given expression and the expression contains one + of '.', '?' or '*' then it is assumed to be a POSIX regular expression, + and it is applied + to all package names in the database. Any matches are then installed (or + removed). Note that matching is done by substring so 'lo.*' matches 'how-lo' + and 'lowest'. If this is undesired, anchor the regular expression + with a '^' or '$' character, or create a more specific regular expression.</para></listitem> + </varlistentry> + + <varlistentry><term><option>remove</option></term> + <listitem><para><literal>remove</literal> is identical to <literal>install</literal> except that packages are + removed instead of installed. Note that removing a package leaves its + configuration files on the system. If a plus sign is appended to the package + name (with no intervening space), the identified package will be + installed instead of removed.</para></listitem> + </varlistentry> + + <varlistentry><term><option>purge</option></term> + <listitem><para><literal>purge</literal> is identical to <literal>remove</literal> except that packages are + removed and purged (any configuration files are deleted too).</para></listitem> + </varlistentry> + + <varlistentry><term><option>source</option></term> + <listitem><para><literal>source</literal> causes <command>apt-get</command> to fetch source packages. APT + will examine the available packages to decide which source package to + fetch. It will then find and download into the current directory the + newest available version of that source package while respecting the + default release, set with the option <literal>APT::Default-Release</literal>, + the <option>-t</option> option or per package with the + <literal>pkg/release</literal> syntax, if possible.</para> + + <para>Source packages are tracked separately + from binary packages via <literal>deb-src</literal> lines + in the &sources-list; file. This means that you will need to add such a line + for each repository you want to get sources from; otherwise you will probably + get either the wrong (too old/too new) source versions or none at all.</para> + + <para>If the <option>--compile</option> option is specified + then the package will be compiled to a binary .deb using + <command>dpkg-buildpackage</command> for the architecture as + defined by the <command>--host-architecture</command> option. + If <option>--download-only</option> is specified then the source package + will not be unpacked.</para> + + <para>A specific source version can be retrieved by postfixing the source name + with an equals and then the version to fetch, similar to the mechanism + used for the package files. This enables exact matching of the source + package name and version, implicitly enabling the + <literal>APT::Get::Only-Source</literal> option.</para> + + <para>Note that source packages are not installed and tracked in the + <command>dpkg</command> database like binary packages; they are simply downloaded + to the current directory, like source tarballs.</para></listitem> + </varlistentry> + + <varlistentry><term><option>build-dep</option></term> + <listitem><para><literal>build-dep</literal> causes apt-get to install/remove packages in an + attempt to satisfy the build dependencies for a source package. By default the dependencies are + satisfied to build the package natively. If desired a host-architecture can be specified + with the <option>--host-architecture</option> option instead.</para></listitem> + </varlistentry> + + <varlistentry><term><option>check</option></term> + <listitem><para><literal>check</literal> is a diagnostic tool; it updates the package cache and checks + for broken dependencies.</para></listitem> + </varlistentry> + + <varlistentry><term><option>download</option></term> + <listitem><para><literal>download</literal> will download the given + binary package into the current directory. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>clean</option></term> + <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>.</para></listitem> + </varlistentry> + + <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 + useless. This allows a cache to be maintained over a long period without + it growing out of control. The configuration option + <literal>APT::Clean-Installed</literal> will prevent installed packages from being + erased if it is set to off.</para></listitem> + </varlistentry> + + <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> 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 file + &apt-acquire-additional-files; shipped by the <package>apt-doc</package> package. + </para> + </listitem> + </varlistentry> + + + </variablelist> + </refsect1> + + <refsect1><title>options</title> + &apt-cmdblurb; + + <variablelist> + <varlistentry><term><option>--no-install-recommends</option></term> + <listitem><para>Do not consider recommended packages as a dependency for installing. + Configuration Item: <literal>APT::Install-Recommends</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--install-suggests</option></term> + <listitem><para>Consider suggested packages as a dependency for installing. + Configuration Item: <literal>APT::Install-Suggests</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-d</option></term><term><option>--download-only</option></term> + <listitem><para>Download only; package files are only retrieved, not unpacked or installed. + Configuration Item: <literal>APT::Get::Download-Only</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-f</option></term><term><option>--fix-broken</option></term> + <listitem><para>Fix; attempt to correct a system with broken dependencies in + place. This option, when used with install/remove, can omit any packages + to permit APT to deduce a likely solution. If packages are specified, + these have to completely correct the problem. The option is sometimes necessary when + 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 <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> + </varlistentry> + + <varlistentry><term><option>-m</option></term><term><option>--ignore-missing</option></term> + <term><option>--fix-missing</option></term> + <listitem><para>Ignore missing packages; if packages cannot be retrieved or fail the + integrity check after retrieval (corrupted package files), hold back + those packages and handle the result. Use of this option together with + <option>-f</option> may produce an error in some situations. If a package is + selected for installation (particularly if it is mentioned on the + command line) and it could not be downloaded then it will be silently + held back. + Configuration Item: <literal>APT::Get::Fix-Missing</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--no-download</option></term> + <listitem><para>Disables downloading of packages. This is best used with + <option>--ignore-missing</option> to force APT to use only the .debs it has + already downloaded. + Configuration Item: <literal>APT::Get::Download</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-q</option></term><term><option>--quiet</option></term> + <listitem><para>Quiet; produces output suitable for logging, omitting progress indicators. + More q's will produce more quiet up to a maximum of 2. You can also use + <option>-q=#</option> to set the quiet level, overriding the configuration file. + Note that quiet level 2 implies <option>-y</option>; you should never use -qq + without a no-action modifier such as -d, --print-uris or -s as APT may + decide to do something you did not expect. + Configuration Item: <literal>quiet</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-s</option></term> + <term><option>--simulate</option></term> + <term><option>--just-print</option></term> + <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 + 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>) + or unpack (<literal>Inst</literal>). Square brackets indicate broken packages, and + empty square brackets indicate breaks that are of no consequence (rare).</para></listitem> + </varlistentry> + + <varlistentry><term><option>-y</option></term><term><option>--yes</option></term> + <term><option>--assume-yes</option></term> + <listitem><para>Automatic yes to prompts; assume "yes" as answer to all prompts and run + non-interactively. If an undesirable situation, such as changing a held + package, trying to install a unauthenticated package or removing an essential package + occurs then <literal>apt-get</literal> will abort. + Configuration Item: <literal>APT::Get::Assume-Yes</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--assume-no</option></term> + <listitem><para>Automatic "no" to all prompts. + Configuration Item: <literal>APT::Get::Assume-No</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--no-show-upgraded</option></term> + <listitem><para>Do not show a list of all packages that are to be upgraded. + Configuration Item: <literal>APT::Get::Show-Upgraded</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-V</option></term><term><option>--verbose-versions</option></term> + <listitem><para>Show full versions for upgraded and installed packages. + Configuration Item: <literal>APT::Get::Show-Versions</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-a</option></term> + <term><option>--host-architecture</option></term> + <listitem><para>This option controls the architecture packages are built for + 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>. + </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> + + <varlistentry><term><option>-b</option></term><term><option>--compile</option></term> + <term><option>--build</option></term> + <listitem><para>Compile source packages after downloading them. + Configuration Item: <literal>APT::Get::Compile</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--ignore-hold</option></term> + <listitem><para>Ignore package holds; this causes <command>apt-get</command> to ignore a hold + placed on a package. This may be useful in conjunction with + <literal>dist-upgrade</literal> to override a large number of undesired holds. + 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 + from being upgraded if they are already installed. + Configuration Item: <literal>APT::Get::Upgrade</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--only-upgrade</option></term> + <listitem><para>Do not install new packages; when used in conjunction + with <literal>install</literal>, <literal>only-upgrade</literal> will + install upgrades for already installed packages only and ignore requests + to install new packages. + 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>. 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> + <listitem><para>Instead of fetching the files to install their URIs are printed. Each + URI will have the path, the destination file name, the size and the expected + MD5 hash. Note that the file name to write to will not always match + the file name on the remote site! This also works with the + <literal>source</literal> and <literal>update</literal> commands. When used with the + <literal>update</literal> command the MD5 and size are not included, and it is + up to the user to decompress any compressed files. + Configuration Item: <literal>APT::Get::Print-URIs</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--purge</option></term> + <listitem><para>Use purge instead of remove for anything that would be removed. + An asterisk ("*") will be displayed next to packages which are + scheduled to be purged. <option>remove --purge</option> is equivalent to the + <option>purge</option> command. + Configuration Item: <literal>APT::Get::Purge</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--reinstall</option></term> + <listitem><para>Re-install packages that are already installed and at the newest version. + Configuration Item: <literal>APT::Get::ReInstall</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--list-cleanup</option></term> + <listitem><para>This option is on by default; use <literal>--no-list-cleanup</literal> to turn + it off. When it is on, <command>apt-get</command> will automatically manage the contents + of <filename>&statedir;/lists</filename> to ensure that obsolete files are erased. + The only reason to turn it off is if you frequently change your sources list. + Configuration Item: <literal>APT::Get::List-Cleanup</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>-t</option></term> + <term><option>--target-release</option></term> + <term><option>--default-release</option></term> + <listitem><para>This option controls the default input to the policy engine; it creates + a default pin at priority 990 using the specified release string. + This overrides the general settings in <filename>/etc/apt/preferences</filename>. + Specifically pinned packages are not affected by the value + of this option. In short, this option + lets you have simple control over which distribution packages will be + retrieved from. Some common examples might be + <option>-t '2.1*'</option>, <option>-t unstable</option> + or <option>-t sid</option>. + Configuration Item: <literal>APT::Default-Release</literal>; + see also the &apt-preferences; manual page.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--trivial-only</option></term> + <listitem><para> + Only perform operations that are 'trivial'. Logically this can be considered + related to <option>--assume-yes</option>; where <option>--assume-yes</option> will answer + yes to any prompt, <option>--trivial-only</option> will answer no. + Configuration Item: <literal>APT::Get::Trivial-Only</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--no-remove</option></term> + <listitem><para>If any packages are to be removed apt-get immediately aborts without + prompting. + Configuration Item: <literal>APT::Get::Remove</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--auto-remove</option></term><term><option>--autoremove</option></term> + <listitem><para>If the command is either <literal>install</literal> or <literal>remove</literal>, + then this option acts like running the <literal>autoremove</literal> command, removing unused + dependency packages. Configuration Item: <literal>APT::Get::AutomaticRemove</literal>. + </para></listitem> + </varlistentry> + + <varlistentry><term><option>--only-source</option></term> + <listitem><para>Only has meaning for the + <literal>source</literal> and <literal>build-dep</literal> + commands. Indicates that the given source names are not to be + mapped through the binary table. This means that if this option + is specified, these commands will only accept source package + names as arguments, rather than accepting binary package names + and looking up the corresponding source package. Configuration + Item: <literal>APT::Get::Only-Source</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--diff-only</option></term><term><option>--dsc-only</option></term><term><option>--tar-only</option></term> + <listitem><para>Download only the diff, dsc, or tar file of a source archive. + Configuration Item: <literal>APT::Get::Diff-Only</literal>, <literal>APT::Get::Dsc-Only</literal>, and + <literal>APT::Get::Tar-Only</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--arch-only</option></term> + <listitem><para>Only process architecture-dependent build-dependencies. + Configuration Item: <literal>APT::Get::Arch-Only</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--indep-only</option></term> + <listitem><para>Only process architecture-independent build-dependencies. + Configuration Item: <literal>APT::Get::Indep-Only</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--allow-unauthenticated</option></term> + <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. See + also &apt-secure; for details on the concept and the implications. + + 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 Items: <literal>Dpkg::Progress</literal> and <literal>Dpkg::Progress-Fancy</literal>.</para></listitem> + </varlistentry> + + <varlistentry><term><option>--with-source</option> <option>&synopsis-param-filename;</option></term> + <listitem><para> + Adds the given file as a source for metadata. Can be repeated to add multiple files. + See <option>--with-source</option> description in &apt-cache; for further details. + </para></listitem> + </varlistentry> + + &apt-commonoptions; + + </variablelist> + </refsect1> + + <refsect1><title>Files</title> + <variablelist> + &file-sourceslist; + &file-aptconf; + &file-preferences; + &file-cachearchives; + &file-statelists; + </variablelist> + </refsect1> + + <refsect1><title>See Also</title> + <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> + + <refsect1><title>Diagnostics</title> + <para><command>apt-get</command> returns zero on normal operation, decimal 100 on error.</para> + </refsect1> + &manbugs; +</refentry> |