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fdbbee37d5
Docbook styles required those to be present, even though the templates that we use did not show those names anywhere. But something changed semi-recently (I would suspect docbook templates, but there was only a minor version bump in recent years, and the changelog does not suggest anything related), and builds now work without those entries. Let's drop this dead weight. Tested with F26-F29, debian unstable. $ perl -i -0pe 's/\s*<authorgroup>.*<.authorgroup>//gms' man/*xml
182 lines
6.3 KiB
XML
182 lines
6.3 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="systemd-delta"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-delta</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-delta</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-delta</refname>
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<refpurpose>Find overridden configuration files</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-delta</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="opt" rep="repeat"><replaceable>PREFIX</replaceable><optional>/<replaceable>SUFFIX</replaceable></optional>|<replaceable>SUFFIX</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>systemd-delta</command> may be used to identify and
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compare configuration files that override other configuration
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files. Files in <filename>/etc</filename> have highest priority,
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files in <filename>/run</filename> have the second highest
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priority, …, files in <filename>/usr/lib</filename> have lowest
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priority. Files in a directory with higher priority override files
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with the same name in directories of lower priority. In addition,
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certain configuration files can have <literal>.d</literal>
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directories which contain "drop-in" files with configuration
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snippets which augment the main configuration file. "Drop-in"
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files can be overridden in the same way by placing files with the
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same name in a directory of higher priority (except that, in case
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of "drop-in" files, both the "drop-in" file name and the name of
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the containing directory, which corresponds to the name of the
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main configuration file, must match). For a fuller explanation,
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see
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para>
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<para>The command line argument will be split into a prefix and a
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suffix. Either is optional. The prefix must be one of the
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directories containing configuration files
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(<filename>/etc</filename>, <filename>/run</filename>,
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<filename>/usr/lib</filename>, …). If it is given, only
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overriding files contained in this directory will be shown.
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Otherwise, all overriding files will be shown. The suffix must be
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a name of a subdirectory containing configuration files like
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<filename>tmpfiles.d</filename>, <filename>sysctl.d</filename> or
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<filename>systemd/system</filename>. If it is given, only
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configuration files in this subdirectory (across all configuration
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paths) will be analyzed. Otherwise, all configuration files will
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be analyzed. If the command line argument is not given at all, all
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configuration files will be analyzed. See below for some
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examples.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>-t</option></term>
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<term><option>--type=</option></term>
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<listitem><para>When listing the differences, only list those
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that are asked for. The list itself is a comma-separated list
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of desired difference types.</para>
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<para>Recognized types are:
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<variablelist>
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<varlistentry>
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<term><varname>masked</varname></term>
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<listitem><para>Show masked files</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>equivalent</varname></term>
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<listitem><para>Show overridden files that while
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overridden, do not differ in content.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>redirected</varname></term>
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<listitem><para>Show files that are redirected to
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another.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>overridden</varname></term>
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<listitem><para>Show overridden, and changed
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files.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>extended</varname></term>
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<listitem><para>Show <filename>*.conf</filename> files
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in drop-in directories for units.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>unchanged</varname></term>
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<listitem><para>Show unmodified files
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too.</para></listitem>
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</varlistentry>
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</variablelist>
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--diff=</option></term>
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<listitem><para>When showing modified files, when a file is
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overridden show a diff as well. This option takes a boolean
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argument. If omitted, it defaults to
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<option>true</option>.</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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<xi:include href="standard-options.xml" xpointer="no-pager" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>To see all local configuration:</para>
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<programlisting>systemd-delta</programlisting>
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<para>To see all runtime configuration:</para>
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<programlisting>systemd-delta /run</programlisting>
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<para>To see all system unit configuration changes:</para>
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<programlisting>systemd-delta systemd/system</programlisting>
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<para>To see all runtime "drop-in" changes for system units:</para>
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<programlisting>systemd-delta --type=extended /run/systemd/system</programlisting>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned, a non-zero failure code
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otherwise.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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