diff options
Diffstat (limited to 'doc/apt-get.8.xml')
| -rw-r--r-- | doc/apt-get.8.xml | 91 |
1 files changed, 64 insertions, 27 deletions
diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml index a372a0d30..785b4e9a8 100644 --- a/doc/apt-get.8.xml +++ b/doc/apt-get.8.xml @@ -214,7 +214,7 @@ <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 @@ -224,25 +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> @@ -316,17 +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>) @@ -420,12 +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> @@ -520,9 +553,13 @@ </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> |