1 | <?xml version="1.0" encoding="UTF-8"?>
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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 acpid-download-http "&sourceforge-dl;/acpid2/acpid-&acpid-version;.tar.xz">
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8 | <!ENTITY acpid-download-ftp " ">
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9 | <!ENTITY acpid-md5sum "988c2e3fd5ba0ea4492d3ba7273af295">
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10 | <!ENTITY acpid-size "160 KB">
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11 | <!ENTITY acpid-buildsize "1.9 MB">
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12 | <!ENTITY acpid-time "less than 0.1 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="acpid" xreflabel="acpid-&acpid-version;">
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16 | <?dbhtml filename="acpid.html"?>
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17 |
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18 |
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19 | <title>acpid-&acpid-version;</title>
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20 |
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21 | <indexterm zone="acpid">
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22 | <primary sortas="a-acpid">acpid</primary>
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23 | </indexterm>
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24 |
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25 | <sect2 role="package">
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26 | <title>Introduction to acpid</title>
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27 |
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28 | <para>
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29 | The <application>acpid</application> (Advanced Configuration and Power
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30 | Interface event daemon) is a completely flexible, totally extensible
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31 | daemon for delivering ACPI events. It listens on netlink interface and
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32 | when an event occurs, executes programs to handle the event. The programs
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33 | it executes are configured through a set of configuration files, which can
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34 | be dropped into place by packages or by the user.
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35 | </para>
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36 |
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37 | <note>
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38 | <para>
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39 | Some other packages may handle some ACPI events as well and they
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40 | may conflict with this package. For example, &logind;
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41 | (read the documentation for <option>Handle*=</option> in
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42 | <ulink role='man' url='&man;logind.conf.5'>logind.conf(5)</ulink>
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43 | for details) and
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44 | <xref linkend='upower'/> (used by many desktop environments such as
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45 | GNOME, KDE, and XFCE for handling ACPI events). If you've installed
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46 | such a package and it's enough for your use case, this package is
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47 | probably not needed. If you really need this package, you must be
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48 | careful configuring it and the other packages handling ACPI events
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49 | to avoid conflicts. Notably, &logind; handles some ACPI events
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50 | by default, so the handling of these events by &logind; should be
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51 | disabled first if handling these events with acpid
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52 | (again, read <ulink role='man'
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53 | url='&man;logind.conf.5'>logind.conf(5)</ulink> for details).
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54 | </para>
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55 | </note>
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56 |
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57 | &lfs122_checked;
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58 |
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59 | <bridgehead renderas="sect3">Package Information</bridgehead>
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60 | <itemizedlist spacing="compact">
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61 | <listitem>
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62 | <para>
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63 | Download (HTTP): <ulink url="&acpid-download-http;"/>
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64 | </para>
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65 | </listitem>
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66 | <listitem>
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67 | <para>
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68 | Download (FTP): <ulink url="&acpid-download-ftp;"/>
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69 | </para>
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70 | </listitem>
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71 | <listitem>
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72 | <para>
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73 | Download MD5 sum: &acpid-md5sum;
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74 | </para>
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75 | </listitem>
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76 | <listitem>
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77 | <para>
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78 | Download size: &acpid-size;
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79 | </para>
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80 | </listitem>
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81 | <listitem>
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82 | <para>
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83 | Estimated disk space required: &acpid-buildsize;
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84 | </para>
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85 | </listitem>
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86 | <listitem>
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87 | <para>
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88 | Estimated build time: &acpid-time;
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89 | </para>
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90 | </listitem>
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91 | </itemizedlist>
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92 |
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93 | </sect2>
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94 |
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95 | <sect2 role="installation">
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96 | <title>Installation of acpid</title>
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97 |
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98 | <para>
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99 | Install <application>acpid</application> by
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100 | running the following commands:
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101 | </para>
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102 |
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103 | <screen><userinput>./configure --prefix=/usr \
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104 | --docdir=/usr/share/doc/acpid-&acpid-version; &&
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105 | make</userinput></screen>
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106 |
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107 | <para>
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108 | This package does not come with a test suite.
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109 | </para>
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110 |
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111 | <para>
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112 | Now, as the <systemitem class="username">root</systemitem> user:
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113 | </para>
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114 |
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115 | <screen role="root"><userinput>make install &&
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116 | install -v -m755 -d /etc/acpi/events &&
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117 | cp -r samples /usr/share/doc/acpid-&acpid-version;</userinput></screen>
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118 |
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119 | </sect2>
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120 |
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121 | <sect2 role="configuration">
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122 | <title>Configuring acpid</title>
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123 |
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124 | <para>
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125 | <application>acpid</application> is configured by user defined events.
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126 | Place event files under
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127 | <filename class="directory">/etc/acpi/events</filename> directory. If an
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128 | event occurs, <command>acpid</command> recurses through the event files in
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129 | order to see if the regex defined after "event" matches. If they do,
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130 | action is executed.
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131 | </para>
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132 |
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133 | <para>
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134 | The following brief example will suspend the system when the laptop
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135 | lid is closed<phrase revision='sysv'> (it requires
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136 | <xref linkend="pm-utils"/>)</phrase>. The example also disables
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137 | the default handling of the lid close event by &logind; when the
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138 | system is on battery and not connected to any external monitor,
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139 | in order to avoid a conflict:
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140 | </para>
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141 |
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142 | <screen revision='sysv' role="nodump"><userinput>cat > /etc/acpi/events/lid << "EOF"
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143 | <literal>event=button/lid
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144 | action=/etc/acpi/lid.sh</literal>
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145 | EOF
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146 |
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147 | cat > /etc/acpi/lid.sh << "EOF"
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148 | <literal>#!/bin/sh
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149 | /bin/grep -q open /proc/acpi/button/lid/LID/state && exit 0
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150 | /usr/sbin/pm-suspend</literal>
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151 | EOF
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152 | chmod +x /etc/acpi/lid.sh
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153 |
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154 | mkdir -pv /etc/elogind/logind.conf.d
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155 | echo <literal>HandleLidSwitch=ignore</literal> > /etc/elogind/logind.conf.d/acpi.conf</userinput></screen>
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156 |
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157 | <screen revision='systemd' role="nodump"><userinput>cat > /etc/acpi/events/lid << "EOF"
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158 | <literal>event=button/lid
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159 | action=/etc/acpi/lid.sh</literal>
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160 | EOF
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161 |
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162 | cat > /etc/acpi/lid.sh << "EOF"
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163 | <literal>#!/bin/sh
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164 | /bin/grep -q open /proc/acpi/button/lid/LID/state && exit 0
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165 | /usr/bin/systemctl suspend</literal>
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166 | EOF
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167 | chmod +x /etc/acpi/lid.sh
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168 |
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169 | mkdir -pv /etc/systemd/logind.conf.d
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170 | echo <literal>HandleLidSwitch=ignore</literal> > /etc/systemd/logind.conf.d/acpi.conf</userinput></screen>
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171 |
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172 | <para>
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173 | Unfortunately, not every computer labels ACPI events in the same way
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174 | (for example, the lid may be recognized as <filename>LID0</filename>
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175 | instead of <filename>LID</filename>).
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176 | To determine how your buttons are recognized, use the
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177 | <command>acpi_listen</command> tool. Also, look in the <filename
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178 | class="directory">samples</filename> directory under <filename
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179 | class="directory">/usr/share/doc/acpid-&acpid-version;</filename>
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180 | for more examples.
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181 | </para>
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182 |
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183 | <sect3 id="acpid-init">
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184 | <title><phrase revision="sysv">Boot Script</phrase>
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185 | <phrase revision="systemd">Systemd Socket</phrase></title>
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186 |
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187 | <para revision="sysv">
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188 | To automatically start <command>acpid</command> when the system is
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189 | rebooted, install the <filename>/etc/rc.d/init.d/acpid</filename>
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190 | boot script from the <xref linkend="bootscripts"/> package.
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191 | </para>
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192 |
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193 | <para revision="systemd">
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194 | To start the <command>acpid</command> daemon at boot,
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195 | install the systemd unit from the <xref linkend="systemd-units"/>
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196 | package by running the following command as the
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197 | <systemitem class="username">root</systemitem> user:
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198 | </para>
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199 |
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200 | <indexterm zone="acpid acpid-init">
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201 | <primary sortas="f-acpid">acpid</primary>
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202 | </indexterm>
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203 |
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204 | <screen role="root"><userinput>make install-acpid</userinput></screen>
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205 |
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206 | <note revision="systemd">
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207 | <para>
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208 | This package uses socket based activation and will be started when
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209 | something needs it. No standalone unit file is provided for this
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210 | package.
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211 | </para>
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212 | </note>
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213 |
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214 | </sect3>
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215 |
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216 | </sect2>
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217 |
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218 | <sect2 role="content">
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219 | <title>Contents</title>
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220 |
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221 | <segmentedlist>
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222 | <segtitle>Installed Programs</segtitle>
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223 | <segtitle>Installed Libraries</segtitle>
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224 | <segtitle>Installed Directories</segtitle>
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225 |
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226 | <seglistitem>
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227 | <seg>
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228 | acpid, acpi_listen, and kacpimon
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229 | </seg>
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230 | <seg>
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231 | None
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232 | </seg>
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233 | <seg>
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234 | /etc/acpi and /usr/share/doc/acpid-&acpid-version;
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235 | </seg>
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236 | </seglistitem>
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237 | </segmentedlist>
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238 |
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239 | <variablelist>
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240 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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241 | <?dbfo list-presentation="list"?>
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242 | <?dbhtml list-presentation="table"?>
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243 |
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244 | <varlistentry id="acpid-prog">
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245 | <term><command>acpid</command></term>
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246 | <listitem>
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247 | <para>
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248 | is a program that listens for ACPI events and executes the rules
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249 | that match the received event
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250 | </para>
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251 | <indexterm zone="acpid acpid-prog">
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252 | <primary sortas="b-acpid">acpid</primary>
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253 | </indexterm>
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254 | </listitem>
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255 | </varlistentry>
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256 |
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257 | <varlistentry id="acpi_listen">
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258 | <term><command>acpi_listen</command></term>
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259 | <listitem>
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260 | <para>
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261 | is a simple tool which connects to <command>acpid</command> and
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262 | listens for events
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263 | </para>
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264 | <indexterm zone="acpid acpi_listen">
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265 | <primary sortas="b-acpi_listen">acpi_listen</primary>
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266 | </indexterm>
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267 | </listitem>
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268 | </varlistentry>
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269 |
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270 | <varlistentry id="kacpimon">
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271 | <term><command>kacpimon</command></term>
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272 | <listitem>
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273 | <para>
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274 | is a monitor program that connects to three sources of ACPI events
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275 | (events file, netlink and input layer) and then reports on what it
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276 | sees while it is connected
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277 | </para>
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278 | <indexterm zone="acpid kacpimon">
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279 | <primary sortas="b-kacpimon">kacpimon</primary>
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280 | </indexterm>
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281 | </listitem>
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282 | </varlistentry>
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283 |
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284 | </variablelist>
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285 |
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286 | </sect2>
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287 |
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288 | </sect1>
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