mirror of
https://github.com/Zeckmathederg/glfs.git
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334 lines
11 KiB
XML
334 lines
11 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY pm-utils-download-http "https://pm-utils.freedesktop.org/releases/pm-utils-&pm-utils-version;.tar.gz">
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<!ENTITY pm-utils-download-ftp " ">
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<!ENTITY pm-utils-md5sum "1742a556089c36c3a89eb1b957da5a60">
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<!ENTITY pm-utils-size "204 KB">
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<!ENTITY pm-utils-buildsize "1.6 MB">
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<!ENTITY pm-utils-time "0.1 SBU">
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]>
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<sect1 id="pm-utils" xreflabel="pm-utils-&pm-utils-version;">
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<?dbhtml filename="pm-utils.html"?>
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<title>pm-utils-&pm-utils-version;</title>
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<indexterm zone="pm-utils">
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<primary sortas="a-pm-utils">pm-utils</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to Power Management Utilities</title>
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<para>
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The <application>Power Management Utilities</application> provide
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simple shell command line tools to suspend and hibernate the computer.
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They can be used to run user supplied scripts on suspend and resume.
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</para>
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<note revision='systemd'>
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<para>
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On a system using <application>systemd</application> as the init
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system, <application>systemd</application> already provides this
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functionality. As a result, this package is probably not needed, and it
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may conflict with <application>systemd</application>. Read the
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documentation for <filename>suspend.target</filename> and
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<filename>hibernate.target</filename> in the man page
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<filename>systemd.special(7)</filename> for more details.
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</para>
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</note>
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&lfs120_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&pm-utils-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&pm-utils-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &pm-utils-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &pm-utils-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &pm-utils-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &pm-utils-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Required patch:
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<ulink url="&patch-root;/pm-utils-&pm-utils-version;-bugfixes-1.patch"/>
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Power Management Utilities Dependencies</bridgehead>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="xmlto"/> (to generate man pages)
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</para>
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<bridgehead renderas="sect4">Optional (runtime)</bridgehead>
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<para role="optional">
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<xref role="runtime" linkend="hdparm"/>,
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<xref role="runtime" linkend="wireless_tools"/>,
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<ulink role="runtime"
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url="https://www.kernel.org/pub/software/network/ethtool/">
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ethtool</ulink>, and
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<ulink role="runtime"
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url="https://ftp.debian.org/debian/pool/main/v/vbetool/">
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vbetool</ulink>
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</para>
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</sect2>
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<sect2 role="kernel" id="pm-utils-kernel">
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<title>Kernel Configuration</title>
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<para>
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If needed, enable the following options in the kernel configuration and
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recompile the kernel:
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</para>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="pm-utils-kernel.xml"/>
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<para>
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Suspend to RAM allows the system to enter sleep states in which main
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memory is powered and thus its contents are preserved. The method cuts
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power to most parts of the machine aside from the RAM. Because of the
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large power savings, it is advisable for laptops to automatically enter
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this mode when the computer is running on batteries and the lid is closed
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(or the user is inactive for some time).
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</para>
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<para>
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Suspend to disk (Hibernation) saves the machine's state into swap space
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and completely powers off the machine. When the machine is powered on,
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the state is restored. Until then, there is zero power consumption.
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Suspend to RAM and hibernation are normally appropriate for portable
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devices such as laptops, but can be used on workstations. The capability
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is not really appropriate for servers.
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</para>
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<para>
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To use hibernation, the kernel parameter
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resume=/dev/<swap_partition> has to be used on the kernel command
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line (in grub.cfg). The swap partition should be at least the size of
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the physical RAM on the system.
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</para>
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<indexterm zone="pm-utils pm-utils-kernel">
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<primary sortas="d-pm-utils">pm-utils</primary>
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</indexterm>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Power Management Utilities</title>
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<para>
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First, fix several bugs and a couple of incompatibilities with newer
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kernels:
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</para>
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<screen><userinput remap="pre">patch -Np1 -i ../pm-utils-&pm-utils-version;-bugfixes-1.patch</userinput></screen>
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<para>
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Install <application>Power Management Utilities</application> by
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running the following commands:
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</para>
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<screen><userinput>./configure --prefix=/usr \
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--sysconfdir=/etc \
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--docdir=/usr/share/doc/pm-utils-&pm-utils-version; &&
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make</userinput></screen>
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<para>
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This package does not come with a test suite.
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</para>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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<para>
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If you don't have <xref linkend="xmlto"/> installed, copy pregenerated
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man pages, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>install -v -m644 man/*.1 /usr/share/man/man1 &&
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install -v -m644 man/*.8 /usr/share/man/man8 &&
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ln -sv pm-action.8 /usr/share/man/man8/pm-suspend.8 &&
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ln -sv pm-action.8 /usr/share/man/man8/pm-hibernate.8 &&
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ln -sv pm-action.8 /usr/share/man/man8/pm-suspend-hybrid.8</userinput></screen>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring Power Management Utilities</title>
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<para>
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Suspend or resume functionality can be easily modified by installing files
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into the <filename class="directory">/etc/pm/sleep.d</filename> directory.
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These files, known as hooks, are run when the system is put into a sleep
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state or resumed. Default hooks are located in <filename
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class="directory">/usr/lib/pm-utils/sleep.d</filename>, and user hooks
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should be put in <filename class="directory">/etc/pm/sleep.d</filename>.
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See the pm-action(8) man page for more information.
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</para>
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<para>
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In order to use hibernation with <application>GRUB</application> and a
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swap partition, you need to add kernel parameter
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<literal>resume=<replaceable>swap_partition</replaceable></literal> (e.g.
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<literal>resume=/dev/sda1</literal>) to the kernel line in the
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<filename>/boot/grub/grub.cfg</filename> configuration file.
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</para>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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on_ac_power, pm-hibernate, pm-is-supported, pm-powersave, pm-suspend
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and pm-suspend-hybrid
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</seg>
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<seg>
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None
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</seg>
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<seg>
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/etc/pm, /usr/lib/pm-utils and
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/usr/share/doc/pm-utils-&pm-utils-version;
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</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="on_ac_power">
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<term><command>on_ac_power</command></term>
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<listitem>
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<para>
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is a script that determines whether the system is running on AC
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power (rather than a battery)
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</para>
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<indexterm zone="pm-utils on_ac_power">
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<primary sortas="b-on_ac_power">on_ac_power</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pm-hibernate">
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<term><command>pm-hibernate</command></term>
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<listitem>
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<para>
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is a symlink to pm-action script that puts the computer into
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hibernate mode (the system is fully powered off and system state is
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saved to disk)
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</para>
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<indexterm zone="pm-utils pm-hibernate">
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<primary sortas="b-pm-hibernate">pm-hibernate</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pm-is-supported">
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<term><command>pm-is-supported</command></term>
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<listitem>
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<para>
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is a script that checks whether power management features such as
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suspend and hibernate are supported
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</para>
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<indexterm zone="pm-utils pm-is-supported">
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<primary sortas="b-pm-is-supported">pm-is-supported</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pm-powersave">
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<term><command>pm-powersave</command></term>
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<listitem>
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<para>
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is a script that puts the computer into powersaving (low power)
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mode
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</para>
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<indexterm zone="pm-utils pm-powersave">
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<primary sortas="b-pm-powersave">pm-powersave</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pm-suspend">
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<term><command>pm-suspend</command></term>
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<listitem>
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<para>
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is a symlink to pm-action script that puts the computer into suspend
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mode (most devices are shut down and system state is saved in RAM)
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</para>
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<indexterm zone="pm-utils pm-suspend">
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<primary sortas="b-pm-suspend">pm-suspend</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="pm-suspend-hybrid">
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<term><command>pm-suspend-hybrid</command></term>
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<listitem>
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<para>
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is a symlink to pm-action script that puts the computer into
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hybrid-suspend mode (the system does everything it needs to
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hibernate, but suspends instead of shutting down)
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</para>
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<indexterm zone="pm-utils pm-suspend-hybrid">
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<primary sortas="b-pm-suspend-hybrid">pm-suspend-hybrid</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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