man/systemd-tty-ask-password-agent.xml

   1 <?xml version='1.0'?> <!--*-nxml-*-->
   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4
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   6   This file is part of systemd.
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   8   Copyright 2010 Lennart Poettering
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  23
  24 <refentry id="systemd-tty-ask-password-agent"
  25     xmlns:xi="http://www.w3.org/2001/XInclude">
  26
  27   <refentryinfo>
  28     <title>systemd-tty-ask-password-agent</title>
  29     <productname>systemd</productname>
  30
  31     <authorgroup>
  32       <author>
  33         <contrib>Developer</contrib>
  34         <firstname>Lennart</firstname>
  35         <surname>Poettering</surname>
  36         <email>lennart@poettering.net</email>
  37       </author>
  38     </authorgroup>
  39   </refentryinfo>
  40
  41   <refmeta>
  42     <refentrytitle>systemd-tty-ask-password-agent</refentrytitle>
  43     <manvolnum>1</manvolnum>
  44   </refmeta>
  45
  46   <refnamediv>
  47     <refname>systemd-tty-ask-password-agent</refname>
  48     <refpurpose>List or process pending systemd password requests</refpurpose>
  49   </refnamediv>
  50
  51   <refsynopsisdiv>
  52     <cmdsynopsis>
  53       <command>systemd-tty-ask-password-agent <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt" rep="repeat">VARIABLE=VALUE</arg></command>
  54     </cmdsynopsis>
  55   </refsynopsisdiv>
  56
  57   <refsect1>
  58     <title>Description</title>
  59
  60     <para><command>systemd-tty-ask-password-agent</command> is a
  61     password agent that handles password requests of the system, for
  62     example for hard disk encryption passwords or SSL certificate
  63     passwords that need to be queried at boot-time or during
  64     runtime.</para>
  65
  66     <para><command>systemd-tty-ask-password-agent</command> implements
  67     the <ulink url="http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">Password
  68     Agents Specification</ulink>.</para>
  69
  70   </refsect1>
  71
  72   <refsect1>
  73     <title>Options</title>
  74
  75     <para>The following options are understood:</para>
  76
  77     <variablelist>
  78       <varlistentry>
  79         <term><option>--list</option></term>
  80
  81         <listitem><para>Lists all currently pending system password requests.</para></listitem>
  82       </varlistentry>
  83
  84       <varlistentry>
  85         <term><option>--query</option></term>
  86
  87         <listitem><para>Process all currently pending system password
  88         requests by querying the user on the calling
  89         TTY.</para></listitem>
  90       </varlistentry>
  91
  92       <varlistentry>
  93         <term><option>--watch</option></term>
  94
  95         <listitem><para>Continuously process password
  96         requests.</para></listitem>
  97       </varlistentry>
  98
  99       <varlistentry>
 100         <term><option>--wall</option></term>
 101
 102         <listitem><para>Forward password requests to
 103         <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 104         instead of querying the user on the calling
 105         TTY.</para></listitem>
 106       </varlistentry>
 107
 108       <varlistentry>
 109         <term><option>--plymouth</option></term>
 110
 111         <listitem><para>Ask question with
 112         <citerefentry project='die-net'><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>
 113         instead of querying the user on the calling
 114         TTY.</para></listitem>
 115       </varlistentry>
 116
 117       <varlistentry>
 118         <term><option>--console</option></term>
 119
 120         <listitem><para>Ask question on
 121         <filename>/dev/console</filename> instead of querying the user
 122         on the calling TTY. </para></listitem>
 123       </varlistentry>
 124
 125       <xi:include href="standard-options.xml" xpointer="help" />
 126       <xi:include href="standard-options.xml" xpointer="version" />
 127     </variablelist>
 128
 129   </refsect1>
 130
 131   <refsect1>
 132     <title>Exit status</title>
 133
 134     <para>On success, 0 is returned, a non-zero failure
 135     code otherwise.</para>
 136   </refsect1>
 137
 138   <refsect1>
 139     <title>See Also</title>
 140     <para>
 141       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 142       <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 143       <citerefentry><refentrytitle>systemd-ask-password-console.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
 144       <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 145       <citerefentry project='die-net'><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>
 146     </para>
 147   </refsect1>
 148
 149 </refentry>