1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY elogind-download-http "https://github.com/elogind/elogind/archive/v&elogind-version;/elogind-&elogind-version;.tar.gz">
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8 | <!ENTITY elogind-download-ftp " ">
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9 | <!ENTITY elogind-md5sum "468e027997be922aa11bfa395c7f1fb7">
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10 | <!ENTITY elogind-size "1.1 MB">
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11 | <!ENTITY elogind-buildsize "47 MB">
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12 | <!ENTITY elogind-time "0.2 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="elogind" revision="sysv" xreflabel="elogind-&elogind-version;">
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16 | <?dbhtml filename="elogind.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>elogind-&elogind-version;</title>
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24 |
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25 | <indexterm zone="elogind">
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26 | <primary sortas="a-elogind">elogind</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to elogind</title>
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31 |
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32 | <para>
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33 | <application>elogind</application> is the
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34 | <application>systemd</application> project's "logind", extracted out to
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35 | be a standalone daemon. It integrates with <xref linkend="linux-pam"/>
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36 | to know the set of users that are logged in to a system and whether they
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37 | are logged in graphically, on the console, or remotely.
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38 | <application>Elogind</application> exposes this information via the
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39 | standard org.freedesktop.login1 <application>D-Bus</application>
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40 | interface, as well as through the file system using systemd's standard
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41 | <filename class="directory">/run/systemd</filename> layout.
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42 | </para>
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43 |
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44 | &lfs83_checked;
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45 |
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46 | <bridgehead renderas="sect3">Package Information</bridgehead>
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47 | <itemizedlist spacing="compact">
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48 | <listitem>
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49 | <para>
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50 | Download (HTTP): <ulink url="&elogind-download-http;"/>
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51 | </para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>
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55 | Download (FTP): <ulink url="&elogind-download-ftp;"/>
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56 | </para>
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57 | </listitem>
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58 | <listitem>
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59 | <para>
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60 | Download MD5 sum: &elogind-md5sum;
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61 | </para>
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62 | </listitem>
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63 | <listitem>
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64 | <para>
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65 | Download size: &elogind-size;
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66 | </para>
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67 | </listitem>
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68 | <listitem>
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69 | <para>
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70 | Estimated disk space required: &elogind-buildsize;
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71 | </para>
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72 | </listitem>
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73 | <listitem>
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74 | <para>
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75 | Estimated build time: &elogind-time;
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76 | </para>
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77 | </listitem>
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78 | </itemizedlist>
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79 |
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80 | <bridgehead renderas="sect3">elogind Dependencies</bridgehead>
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81 |
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82 | <bridgehead renderas="sect4">Required</bridgehead>
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83 | <para role="required">
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84 | <xref linkend="dbus"/>
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85 | </para>
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86 |
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87 | <bridgehead renderas="sect4">Recommended</bridgehead>
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88 | <para role="recommended">
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89 | <xref linkend="DocBook"/>,
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90 | <xref linkend="docbook-xsl"/>, and
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91 | <xref linkend="libxslt"/> (to build the man pages),
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92 | <xref linkend="linux-pam"/>, and
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93 | <xref linkend="polkit"/> (runtime)
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94 | </para>
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95 |
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96 | <bridgehead renderas="sect4">Optional</bridgehead>
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97 | <para role="optional">
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98 | For the tests:
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99 | <xref linkend="lxml"/>,
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100 | <xref linkend="gobject-introspection"/>,
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101 | <xref linkend="zsh"/>,
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102 | <xref linkend="valgrind"/>,
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103 | <ulink url="https://github.com/linux-audit/audit-userspace">
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104 | audit-userspace</ulink>,
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105 | <ulink url="https://github.com/scop/bash-completion">
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106 | bash-completion</ulink>,
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107 | <ulink url="https://mirrors.edge.kernel.org/pub/linux/utils/kernel/kexec/">
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108 | kexec</ulink>, and
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109 | <ulink url="http://www.selinuxproject.org/page/Main_Page">
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110 | SELinux</ulink>
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111 | </para>
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112 |
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113 | <para condition="html" role="usernotes">User Notes:
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114 | <ulink url="&blfs-wiki;/elogind"/>
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115 | </para>
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116 | </sect2>
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117 |
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118 | <sect2 role="installation">
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119 | <title>Installation of elogind</title>
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120 |
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121 | <para>
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122 | Install <application>elogind</application> by running the following
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123 | commands:
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124 | </para>
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125 |
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126 | <screen><userinput>mkdir build &&
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127 | cd build &&
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128 |
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129 | meson --prefix=/usr \
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130 | --sysconfdir=/etc \
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131 | --localstatedir=/var \
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132 | -Dcgroup-controller=elogind \
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133 | -Ddbuspolicydir=/etc/dbus-1/system.d \
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134 | .. &&
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135 | ninja</userinput></screen>
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136 |
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137 | <para>
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138 | This package does not come with a test suite.
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139 | </para>
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140 |
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141 | <para>
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142 | Now, as the <systemitem class="username">root</systemitem> user:
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143 | </para>
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144 |
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145 | <screen role="root"><userinput>ninja install</userinput></screen>
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146 |
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147 | </sect2>
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148 |
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149 | <sect2 role="commands">
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150 | <title>Command Explanations</title>
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151 |
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152 | <para>
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153 | <parameter>-Dcgroup-controller=elogind</parameter>: This switch ensures
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154 | that <application>elogind</application> is selected as the cgroup
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155 | controller, even if booted with another running cgroup controller.
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156 | </para>
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157 |
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158 | <para>
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159 | <parameter>-Ddbuspolicydir=/etc/dbus-1/system.d</parameter>: This switch
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160 | sets the location of the <application>D-Bus</application> policy
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161 | directory.
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162 | </para>
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163 |
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164 | </sect2>
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165 |
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166 | <sect2 role="configuration">
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167 | <title>Configuring elogind</title>
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168 |
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169 | <para revision="sysv">
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170 | To automatically start <command>elogind</command> when the
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171 | system is rebooted, install the
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172 | <filename>/etc/rc.d/init.d/elogind</filename> bootscript from the
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173 | <xref linkend="bootscripts"/> package.
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174 | </para>
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175 |
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176 | <indexterm zone="elogind elogind">
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177 | <primary sortas="f-elogind">elogind</primary>
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178 | </indexterm>
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179 |
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180 | <screen role="root"><userinput>make install-elogind</userinput></screen>
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181 |
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182 | <para>
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183 | Note that this boot script only starts the system-wide
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184 | <application>elogind</application> daemon. Each user will also need to
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185 | register a user session using <application>Linux-PAM</application> at
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186 | login. The <filename>/etc/pam.d/system-session</filename> file needs to
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187 | be modified and a new file needs to be created in order for
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188 | <command>elogind</command> to work correctly. Run the following
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189 | commands as the <systemitem class="username">root</systemitem> user:
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190 | </para>
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191 |
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192 | <screen role="root"><userinput>cat >> /etc/pam.d/system-session << "EOF" &&
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193 | # Begin elogind addition
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194 |
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195 | session required pam_loginuid.so
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196 | session optional pam_elogind.so
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197 |
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198 | # End elogind addition
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199 | EOF
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200 | cat > /etc/pam.d/elogind-user << "EOF"
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201 | # Begin /etc/pam.d/elogind-user
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202 |
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203 | account required pam_access.so
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204 | account include system-account
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205 |
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206 | session required pam_env.so
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207 | session required pam_limits.so
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208 | session required pam_unix.so
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209 | session required pam_loginuid.so
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210 | session optional pam_keyinit.so force revoke
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211 | session optional pam_elogind.so
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212 |
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213 | auth required pam_deny.so
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214 | password required pam_deny.so
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215 |
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216 | # End /etc/pam.d/elogind-user
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217 | EOF</userinput></screen>
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218 |
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219 | </sect2>
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220 |
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221 | <sect2 role="content" revision="sysv">
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222 | <title>Contents</title>
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223 |
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224 | <segmentedlist>
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225 | <segtitle>Installed Programs</segtitle>
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226 | <segtitle>Installed Library</segtitle>
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227 | <segtitle>Installed Directories</segtitle>
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228 |
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229 | <seglistitem>
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230 | <seg>
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231 | busctl,
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232 | elogind-inhibit, and
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233 | loginctl
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234 | </seg>
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235 | <seg>
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236 | libelogind.so
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237 | </seg>
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238 | <seg>
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239 | /etc/elogind,
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240 | /usr/include/elogind, and
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241 | /usr/share/doc/elogind-&elogind-version;
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242 | </seg>
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243 | </seglistitem>
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244 | </segmentedlist>
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245 |
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246 | <variablelist>
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247 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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248 | <?dbfo list-presentation="list"?>
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249 | <?dbhtml list-presentation="table"?>
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250 |
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251 | <varlistentry id="busctl">
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252 | <term><command>busctl</command></term>
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253 | <listitem>
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254 | <para>
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255 | is used to introspect and monitor the D-Bus bus.
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256 | </para>
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257 | <indexterm zone="elogind busctl">
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258 | <primary sortas="b-busctl">busctl</primary>
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259 | </indexterm>
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260 | </listitem>
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261 | </varlistentry>
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262 |
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263 | <varlistentry id="elogind-inhibit">
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264 | <term><command>elogind-inhibit</command></term>
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265 | <listitem>
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266 | <para>
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267 | is used to execute a program with a shutdown, sleep or idle
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268 | inhibitor lock taken.
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269 | </para>
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270 | <indexterm zone="elogind elogind-inhibit">
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271 | <primary sortas="b-elogind-inhibit">elogind-inhibit</primary>
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272 | </indexterm>
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273 | </listitem>
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274 | </varlistentry>
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275 |
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276 | <varlistentry id="loginctl">
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277 | <term><command>loginctl</command></term>
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278 | <listitem>
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279 | <para>
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280 | is used to introspect and control the state of the elogind Login
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281 | Manger.
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282 | </para>
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283 | <indexterm zone="elogind loginctl">
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284 | <primary sortas="b-loginctl">loginctl</primary>
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285 | </indexterm>
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286 | </listitem>
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287 | </varlistentry>
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288 |
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289 | <varlistentry id="libelogind">
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290 | <term><filename class="libraryfile">libelogind.so</filename></term>
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291 | <listitem>
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292 | <para>
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293 | is the main elogind utility library.
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294 | </para>
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295 | <indexterm zone="elogind libelogind">
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296 | <primary sortas="c-libelogind">libelogind.so</primary>
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297 | </indexterm>
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298 | </listitem>
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299 | </varlistentry>
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300 |
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301 | </variablelist>
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302 |
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303 | </sect2>
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304 |
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305 | </sect1>
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306 |
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