| 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 pm-utils-download-http "https://pm-utils.freedesktop.org/releases/pm-utils-&pm-utils-version;.tar.gz">
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| 8 | <!ENTITY pm-utils-download-ftp " ">
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| 9 | <!ENTITY pm-utils-md5sum "1742a556089c36c3a89eb1b957da5a60">
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| 10 | <!ENTITY pm-utils-size "204 KB">
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| 11 | <!ENTITY pm-utils-buildsize "1.6 MB">
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| 12 | <!ENTITY pm-utils-time "0.1 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="pm-utils" xreflabel="pm-utils-&pm-utils-version;">
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| 16 | <?dbhtml filename="pm-utils.html"?>
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| 17 |
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| 18 |
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| 19 | <title>pm-utils-&pm-utils-version;</title>
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| 20 |
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| 21 | <indexterm zone="pm-utils">
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| 22 | <primary sortas="a-pm-utils">pm-utils</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 Power Management Utilities</title>
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| 27 |
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| 28 | <para>
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| 29 | The <application>Power Management Utilities</application> provide
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| 30 | simple shell command line tools to suspend and hibernate the computer.
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| 31 | They can be used to run user supplied scripts on suspend and resume.
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| 32 | </para>
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| 33 |
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| 34 | &lfs113_checked;
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| 35 |
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| 36 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 37 | <itemizedlist spacing="compact">
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| 38 | <listitem>
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| 39 | <para>
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| 40 | Download (HTTP): <ulink url="&pm-utils-download-http;"/>
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| 41 | </para>
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| 42 | </listitem>
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| 43 | <listitem>
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| 44 | <para>
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| 45 | Download (FTP): <ulink url="&pm-utils-download-ftp;"/>
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| 46 | </para>
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| 47 | </listitem>
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| 48 | <listitem>
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| 49 | <para>
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| 50 | Download MD5 sum: &pm-utils-md5sum;
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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 size: &pm-utils-size;
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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 | Estimated disk space required: &pm-utils-buildsize;
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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 | Estimated build time: &pm-utils-time;
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| 66 | </para>
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| 67 | </listitem>
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| 68 | </itemizedlist>
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| 69 |
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| 70 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 71 | <itemizedlist spacing="compact">
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| 72 | <listitem>
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| 73 | <para>
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| 74 | Required patch:
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| 75 | <ulink url="&patch-root;/pm-utils-&pm-utils-version;-bugfixes-1.patch"/>
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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">Power Management Utilities Dependencies</bridgehead>
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| 81 |
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| 82 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 83 | <para role="optional">
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| 84 | <xref linkend="xmlto"/> (to generate man pages)
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| 85 | </para>
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| 86 |
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| 87 | <bridgehead renderas="sect4">Optional (runtime)</bridgehead>
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| 88 | <para role="optional">
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| 89 | <xref role="runtime" linkend="hdparm"/>,
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| 90 | <xref role="runtime" linkend="wireless_tools"/>,
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| 91 | <ulink role="runtime"
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| 92 | url="https://www.kernel.org/pub/software/network/ethtool/">
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| 93 | ethtool</ulink>, and
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| 94 | <ulink role="runtime"
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| 95 | url="https://ftp.debian.org/debian/pool/main/v/vbetool/">
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| 96 | vbetool</ulink>
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| 97 | </para>
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| 98 |
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| 99 | <para condition="html" role="usernotes">User Notes:
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| 100 | <ulink url="&blfs-wiki;/pm-utils"/>
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| 101 | </para>
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| 102 | </sect2>
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| 103 |
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| 104 | <sect2 role="kernel" id="pm-utils-kernel">
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| 105 | <title>Kernel Configuration</title>
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| 106 |
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| 107 | <para>
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| 108 | If needed, enable the following options in the kernel configuration and
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| 109 | recompile the kernel:
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| 110 | </para>
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| 111 |
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| 112 | <screen><literal>Power management and ACPI options --->
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| 113 | <*> Suspend to RAM and standby [CONFIG_SUSPEND]
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| 114 | <*> Hibernation (aka 'suspend to disk') [CONFIG_HIBERNATION]</literal></screen>
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| 115 |
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| 116 | <para>
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| 117 | Suspend to RAM allows the system to enter sleep states in which main
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| 118 | memory is powered and thus its contents are preserved. The method cuts
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| 119 | power to most parts of the machine aside from the RAM. Because of the
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| 120 | large power savings, it is advisable for laptops to automatically enter
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| 121 | this mode when the computer is running on batteries and the lid is closed
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| 122 | (or the user is inactive for some time).
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| 123 | </para>
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| 124 |
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| 125 | <para>
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| 126 | Suspend to disk (Hibernation) saves the machine's state into swap space
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| 127 | and completely powers off the machine. When the machine is powered on,
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| 128 | the state is restored. Until then, there is zero power consumption.
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| 129 | Suspend to RAM and hibernation are normally appropriate for portable
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| 130 | devices such as laptops, but can be used on workstations. The capability
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| 131 | is not really appropriate for servers.
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| 132 | </para>
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| 133 |
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| 134 | <para>
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| 135 | To use hibernation, the kernel parameter
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| 136 | resume=/dev/<swap_partition> has to be used on the kernel command
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| 137 | line (in grub.cfg). The swap partition should be at least the size of
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| 138 | the physical RAM on the system.
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| 139 | </para>
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| 140 |
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| 141 | <indexterm zone="pm-utils pm-utils-kernel">
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| 142 | <primary sortas="d-pm-utils">pm-utils</primary>
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| 143 | </indexterm>
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| 144 |
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| 145 | </sect2>
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| 146 |
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| 147 | <sect2 role="installation">
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| 148 | <title>Installation of Power Management Utilities</title>
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| 149 |
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| 150 | <para>
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| 151 | First, fix several bugs and a couple of incompatibilities with newer
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| 152 | kernels:
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| 153 | </para>
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| 154 |
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| 155 | <screen><userinput remap="pre">patch -Np1 -i ../pm-utils-&pm-utils-version;-bugfixes-1.patch</userinput></screen>
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| 156 |
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| 157 | <para>
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| 158 | Install <application>Power Management Utilities</application> by
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| 159 | running the following commands:
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| 160 | </para>
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| 161 |
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| 162 | <screen><userinput>./configure --prefix=/usr \
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| 163 | --sysconfdir=/etc \
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| 164 | --docdir=/usr/share/doc/pm-utils-&pm-utils-version; &&
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| 165 | make</userinput></screen>
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| 166 |
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| 167 | <para>
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| 168 | This package does not come with a test suite.
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| 169 | </para>
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| 170 |
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| 171 | <para>
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| 172 | Now, as the <systemitem class="username">root</systemitem> user:
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| 173 | </para>
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| 174 |
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| 175 | <screen role="root"><userinput>make install</userinput></screen>
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| 176 |
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| 177 | <para>
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| 178 | If you don't have <xref linkend="xmlto"/> installed, copy pregenerated
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| 179 | man pages, as the <systemitem class="username">root</systemitem> user:
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| 180 | </para>
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| 181 |
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| 182 | <screen role="root"><userinput>install -v -m644 man/*.1 /usr/share/man/man1 &&
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| 183 | install -v -m644 man/*.8 /usr/share/man/man8 &&
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| 184 | ln -sv pm-action.8 /usr/share/man/man8/pm-suspend.8 &&
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| 185 | ln -sv pm-action.8 /usr/share/man/man8/pm-hibernate.8 &&
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| 186 | ln -sv pm-action.8 /usr/share/man/man8/pm-suspend-hybrid.8</userinput></screen>
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| 187 |
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| 188 | </sect2>
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| 189 |
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| 190 | <sect2 role="configuration">
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| 191 | <title>Configuring Power Management Utilities</title>
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| 192 |
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| 193 | <para>
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| 194 | Suspend or resume functionality can be easily modified by installing files
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| 195 | into the <filename class="directory">/etc/pm/sleep.d</filename> directory.
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| 196 | These files, known as hooks, are run when the system is put into a sleep
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| 197 | state or resumed. Default hooks are located in <filename
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| 198 | class="directory">/usr/lib/pm-utils/sleep.d</filename>, and user hooks
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| 199 | should be put in <filename class="directory">/etc/pm/sleep.d</filename>.
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| 200 | See the pm-action(8) man page for more information.
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| 201 | </para>
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| 202 |
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| 203 | <para>
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| 204 | In order to use hibernation with <application>GRUB</application> and a
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| 205 | swap partition, you need to add kernel parameter
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| 206 | <literal>resume=<replaceable>swap_partition</replaceable></literal> (e.g.
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| 207 | <literal>resume=/dev/sda1</literal>) to the kernel line in the
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| 208 | <filename>/boot/grub/grub.cfg</filename> configuration file.
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| 209 | </para>
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| 210 |
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| 211 | </sect2>
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| 212 |
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| 213 | <sect2 role="content">
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| 214 | <title>Contents</title>
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| 215 |
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| 216 | <segmentedlist>
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| 217 | <segtitle>Installed Programs</segtitle>
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| 218 | <segtitle>Installed Libraries</segtitle>
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| 219 | <segtitle>Installed Directories</segtitle>
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| 220 |
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| 221 | <seglistitem>
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| 222 | <seg>
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| 223 | on_ac_power, pm-hibernate, pm-is-supported, pm-powersave, pm-suspend
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| 224 | and pm-suspend-hybrid
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| 225 | </seg>
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| 226 | <seg>
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| 227 | None
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| 228 | </seg>
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| 229 | <seg>
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| 230 | /etc/pm, /usr/lib/pm-utils and
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| 231 | /usr/share/doc/pm-utils-&pm-utils-version;
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| 232 | </seg>
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| 233 | </seglistitem>
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| 234 | </segmentedlist>
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| 235 |
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| 236 | <variablelist>
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| 237 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 238 | <?dbfo list-presentation="list"?>
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| 239 | <?dbhtml list-presentation="table"?>
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| 240 |
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| 241 | <varlistentry id="on_ac_power">
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| 242 | <term><command>on_ac_power</command></term>
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| 243 | <listitem>
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| 244 | <para>
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| 245 | is a script that determines whether the system is running on AC
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| 246 | power (rather than a battery)
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| 247 | </para>
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| 248 | <indexterm zone="pm-utils on_ac_power">
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| 249 | <primary sortas="b-on_ac_power">on_ac_power</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | <varlistentry id="pm-hibernate">
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| 255 | <term><command>pm-hibernate</command></term>
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| 256 | <listitem>
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| 257 | <para>
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| 258 | is a symlink to pm-action script that puts the computer into
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| 259 | hibernate mode (the system is fully powered off and system state is
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| 260 | saved to disk)
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| 261 | </para>
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| 262 | <indexterm zone="pm-utils pm-hibernate">
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| 263 | <primary sortas="b-pm-hibernate">pm-hibernate</primary>
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| 264 | </indexterm>
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| 265 | </listitem>
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| 266 | </varlistentry>
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| 267 |
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| 268 | <varlistentry id="pm-is-supported">
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| 269 | <term><command>pm-is-supported</command></term>
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| 270 | <listitem>
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| 271 | <para>
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| 272 | is a script that checks whether power management features such as
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| 273 | suspend and hibernate are supported
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| 274 | </para>
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| 275 | <indexterm zone="pm-utils pm-is-supported">
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| 276 | <primary sortas="b-pm-is-supported">pm-is-supported</primary>
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| 277 | </indexterm>
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| 278 | </listitem>
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| 279 | </varlistentry>
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| 280 |
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| 281 | <varlistentry id="pm-powersave">
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| 282 | <term><command>pm-powersave</command></term>
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| 283 | <listitem>
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| 284 | <para>
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| 285 | is a script that puts the computer into powersaving (low power)
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| 286 | mode
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| 287 | </para>
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| 288 | <indexterm zone="pm-utils pm-powersave">
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| 289 | <primary sortas="b-pm-powersave">pm-powersave</primary>
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| 290 | </indexterm>
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| 291 | </listitem>
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| 292 | </varlistentry>
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| 293 |
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| 294 | <varlistentry id="pm-suspend">
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| 295 | <term><command>pm-suspend</command></term>
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| 296 | <listitem>
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| 297 | <para>
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| 298 | is a symlink to pm-action script that puts the computer into suspend
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| 299 | mode (most devices are shut down and system state is saved in RAM)
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| 300 | </para>
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| 301 | <indexterm zone="pm-utils pm-suspend">
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| 302 | <primary sortas="b-pm-suspend">pm-suspend</primary>
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| 303 | </indexterm>
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| 304 | </listitem>
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| 305 | </varlistentry>
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| 306 |
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| 307 | <varlistentry id="pm-suspend-hybrid">
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| 308 | <term><command>pm-suspend-hybrid</command></term>
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| 309 | <listitem>
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| 310 | <para>
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| 311 | is a symlink to pm-action script that puts the computer into
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| 312 | hybrid-suspend mode (the system does everything it needs to
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| 313 | hibernate, but suspends instead of shutting down)
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| 314 | </para>
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| 315 | <indexterm zone="pm-utils pm-suspend-hybrid">
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| 316 | <primary sortas="b-pm-suspend-hybrid">pm-suspend-hybrid</primary>
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| 317 | </indexterm>
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| 318 | </listitem>
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| 319 | </varlistentry>
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| 320 |
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| 321 | </variablelist>
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| 322 |
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| 323 | </sect2>
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| 324 |
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| 325 | </sect1>
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