<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*--> <?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> <refentry id="systemd-hwdb" conditional="ENABLE_HWDB"> <refentryinfo> <title>systemd-hwdb</title> <productname>systemd</productname> <authorgroup> <author> <contrib>Developer</contrib> <firstname>Kay</firstname> <surname>Sievers</surname> <email>kay@vrfy.org</email> </author> <author> <contrib>Developer</contrib> <firstname>Tom</firstname> <surname>Gundersen</surname> <email>teg@jklm.no</email> </author> </authorgroup> </refentryinfo> <refmeta> <refentrytitle>systemd-hwdb</refentrytitle> <manvolnum>8</manvolnum> </refmeta> <refnamediv> <refname>systemd-hwdb</refname><refpurpose>hardware database management tool</refpurpose> </refnamediv> <refsynopsisdiv> <cmdsynopsis> <command>systemd-hwdb <optional>options</optional> update</command> </cmdsynopsis> <cmdsynopsis> <command>systemd-hwdb <optional>options</optional> query <replaceable>modalias</replaceable></command> </cmdsynopsis> </refsynopsisdiv> <refsect1><title>Description</title> <para><command>systemd-hwdb</command> expects a command and command specific arguments. It manages the binary hardware database.</para> </refsect1> <refsect1><title>Options</title> <variablelist> <varlistentry> <term><option>-h</option></term> <term><option>--help</option></term> <listitem> <para>Print help text.</para> </listitem> </varlistentry> <varlistentry> <term><option>--usr</option></term> <listitem> <para>Generate in /usr/lib/udev instead of /etc/udev.</para> </listitem> </varlistentry> <varlistentry> <term><option>-r</option></term> <term><option>--root=<replaceable>PATH</replaceable></option></term> <listitem> <para>Alternative root path in the filesystem.</para> </listitem> </varlistentry> </variablelist> <refsect2><title>systemd-hwdb <arg choice="opt"><replaceable>options</replaceable></arg> update</title> <para>Update the binary database.</para> </refsect2> <refsect2><title>systemd-hwdb <arg choice="opt"><replaceable>options</replaceable></arg> query <arg><replaceable>MODALIAS</replaceable></arg> </title> <para>Query database and print result.</para> </refsect2> </refsect1> <refsect1> <title>See Also</title> <para><citerefentry> <refentrytitle>hwdb</refentrytitle><manvolnum>7</manvolnum> </citerefentry></para> </refsect1> </refentry>