diff options
Diffstat (limited to '')
| -rw-r--r-- | man/systemd-sysusers.xml | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/man/systemd-sysusers.xml b/man/systemd-sysusers.xml new file mode 100644 index 0000000..950a8b4 --- /dev/null +++ b/man/systemd-sysusers.xml @@ -0,0 +1,148 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- SPDX-License-Identifier: LGPL-2.1-or-later --> + +<refentry id="systemd-sysusers" + xmlns:xi="http://www.w3.org/2001/XInclude"> + + <refentryinfo> + <title>systemd-sysusers</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-sysusers</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-sysusers</refname> + <refname>systemd-sysusers.service</refname> + <refpurpose>Allocate system users and groups</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>systemd-sysusers</command> + <arg choice="opt" rep="repeat">OPTIONS</arg> + <arg choice="opt" rep="repeat"><replaceable>CONFIGFILE</replaceable></arg> + </cmdsynopsis> + + <para><filename>systemd-sysusers.service</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>systemd-sysusers</command> creates system users and + groups, based on the file format and location specified in + <citerefentry><refentrytitle>sysusers.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + </para> + + <para>If invoked with no arguments, it applies all directives from all files + found in the directories specified by + <citerefentry><refentrytitle>sysusers.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + When invoked with positional arguments, if option + <option>--replace=<replaceable>PATH</replaceable></option> is specified, arguments + specified on the command line are used instead of the configuration file + <replaceable>PATH</replaceable>. Otherwise, just the configuration specified by + the command line arguments is executed. The string <literal>-</literal> may be + specified instead of a filename to instruct <command>systemd-sysusers</command> + to read the configuration from standard input. If only the basename of a file is + specified, all configuration directories are searched for a matching file and + the file found that has the highest priority is executed.</para> + </refsect1> + + <refsect1> + <title>Options</title> + + <para>The following options are understood:</para> + + <variablelist> + <varlistentry> + <term><option>--root=<replaceable>root</replaceable></option></term> + <listitem><para>Takes a directory path as an argument. All + paths will be prefixed with the given alternate + <replaceable>root</replaceable> path, including config search + paths. </para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--image=<replaceable>image</replaceable></option></term> + + <listitem><para>Takes a path to a disk image file or block device node. If specified all operations + are applied to file system in the indicated disk image. This is similar to <option>--root=</option> + but operates on file systems stored in disk images or block devices. The disk image should either + contain just a file system or a set of file systems within a GPT partition table, following the + <ulink url="https://systemd.io/DISCOVERABLE_PARTITIONS">Discoverable Partitions + Specification</ulink>. For further information on supported disk images, see + <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>'s + switch of the same name.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--replace=<replaceable>PATH</replaceable></option></term> + <listitem><para>When this option is given, one ore more positional arguments + must be specified. All configuration files found in the directories listed in + <citerefentry><refentrytitle>sysusers.d</refentrytitle><manvolnum>5</manvolnum></citerefentry> + will be read, and the configuration given on the command line will be + handled instead of and with the same priority as the configuration file + <replaceable>PATH</replaceable>.</para> + + <para>This option is intended to be used when package installation scripts + are running and files belonging to that package are not yet available on + disk, so their contents must be given on the command line, but the admin + configuration might already exist and should be given higher priority. + </para> + + <example> + <title>RPM installation script for radvd</title> + + <programlisting>echo 'u radvd - "radvd daemon"' | \ + systemd-sysusers --replace=/usr/lib/sysusers.d/radvd.conf -</programlisting> + + <para>This will create the radvd user as if + <filename>/usr/lib/sysusers.d/radvd.conf</filename> was already on disk. + An admin might override the configuration specified on the command line by + placing <filename>/etc/sysusers.d/radvd.conf</filename> or even + <filename>/etc/sysusers.d/00-overrides.conf</filename>.</para> + + <para>Note that this is the expanded form, and when used in a package, this + would be written using a macro with "radvd" and a file containing the + configuration line as arguments.</para> + </example> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--inline</option></term> + <listitem><para>Treat each positional argument as a separate configuration + line instead of a file name.</para></listitem> + </varlistentry> + + <xi:include href="standard-options.xml" xpointer="cat-config" /> + <xi:include href="standard-options.xml" xpointer="no-pager" /> + <xi:include href="standard-options.xml" xpointer="help" /> + <xi:include href="standard-options.xml" xpointer="version" /> + </variablelist> + + </refsect1> + + <refsect1> + <title>Exit status</title> + + <para>On success, 0 is returned, a non-zero failure code + otherwise.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sysusers.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <ulink url="https://systemd.io/UIDS-GIDS">Users, Groups, UIDs and GIDs on systemd systems</ulink> + </para> + </refsect1> + +</refentry> |