| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/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 hal-download-http "http://freedesktop.org/~david/dist/hal-&hal-version;.tar.gz">
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| 8 | <!ENTITY hal-download-ftp "ftp://ftp.fu-berlin.de/unix/linux/mirrors/gentoo/distfiles/hal-&hal-version;.tar.gz">
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| 9 | <!ENTITY hal-md5sum "2f84ddbc22bc35baa9388e7794d1fa31">
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| 10 | <!ENTITY hal-size "1.4 MB">
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| 11 | <!ENTITY hal-buildsize "18.0 MB">
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| 12 | <!ENTITY hal-time "0.5 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="hal" xreflabel="HAL-&hal-version;">
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| 16 | <?dbhtml filename="hal.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>HAL-&hal-version;</title>
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| 24 |
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| 25 | <indexterm zone="hal">
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| 26 | <primary sortas="a-HAL">HAL</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 HAL</title>
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| 31 |
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| 32 | <para><application>HAL</application> is a hardware abstraction layer, which
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| 33 | is a piece of software that provides a view of the various hardware
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| 34 | attached to a system. In addition to this, <application>HAL</application>
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| 35 | keeps detailed metadata for each piece of hardware and provides hooks such
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| 36 | that system and desktop-level software can react to changes in the hardware
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| 37 | configuration in order to maintain system policy. The most important goal
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| 38 | of <application>HAL</application> is to provide plug-and-play facilities
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| 39 | for UNIX-like desktops with focus on providing a rich and extensible
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| 40 | description of device characteristics and features.</para>
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| 41 |
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| 42 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 43 | <itemizedlist spacing="compact">
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| 44 | <listitem>
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| 45 | <para>Download (HTTP): <ulink url="&hal-download-http;"/></para>
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| 46 | </listitem>
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| 47 | <listitem>
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| 48 | <para>Download (FTP): <ulink url="&hal-download-ftp;"/></para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>Download MD5 sum: &hal-md5sum;</para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>Download size: &hal-size;</para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>Estimated disk space required: &hal-buildsize;</para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>Estimated build time: &hal-time;</para>
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| 61 | </listitem>
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| 62 | </itemizedlist>
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| 63 |
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| 64 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 65 | <itemizedlist spacing="compact">
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| 66 | <listitem>
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| 67 | <para>Recommended USB ID list:
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| 68 | <ulink url="http://www.linux-usb.org/usb.ids"/></para>
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| 69 | </listitem>
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| 70 | </itemizedlist>
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| 71 |
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| 72 | <bridgehead renderas="sect3">HAL Dependencies</bridgehead>
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| 73 |
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| 74 | <bridgehead renderas="sect4">Required</bridgehead>
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| 75 | <para><xref linkend="dbus"/>,
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| 76 | <xref linkend="popt"/> and
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| 77 | <xref linkend="perl-xml-parser"/></para>
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| 78 |
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| 79 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 80 | <para><xref linkend="pciutils"/> (with a current
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| 81 | <filename>pci.ids</filename> file)</para>
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| 82 |
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| 83 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 84 | <para><xref linkend="pkgconfig"/>,
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| 85 | <xref linkend="intltool"/>,
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| 86 | <xref linkend="libusb"/>,
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| 87 | <xref linkend="expat"/>,
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| 88 | <xref linkend="python"/>,
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| 89 | <ulink url="http://ftp.gnome.org/pub/GNOME/sources/gnome-python/">GNOME-Python</ulink>
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| 90 | (run-time requirement to use the <command>hal-device-manager</command> program),
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| 91 | <xref linkend="doxygen"/> and
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| 92 | <xref linkend="docbook-utils"/></para>
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| 93 |
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| 94 | </sect2>
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| 95 |
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| 96 | <sect2 role="installation">
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| 97 | <title>Installation of HAL</title>
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| 98 |
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| 99 | <para>If you downloaded the USB ID list, install it by issuing the
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| 100 | following command as the <systemitem class="username">root</systemitem>
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| 101 | user:</para>
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| 102 |
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| 103 | <screen role="root"><userinput>install -v -m644 ../usb.ids /usr/share</userinput></screen>
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| 104 |
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| 105 | <para>You must create a dedicated user and group for the
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| 106 | <application>HAL</application> daemon before installing the package. Issue
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| 107 | the following as the <systemitem class="username">root</systemitem>
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| 108 | user:</para>
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| 109 |
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| 110 | <screen role="root"><userinput>groupadd -g 19 haldaemon &&
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| 111 | useradd -c "HAL Daemon User" -d /dev/null -u 19 \
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| 112 | -g haldaemon -s /bin/false haldaemon</userinput></screen>
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| 113 |
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| 114 | <para>Install <application>HAL</application> by running the following
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| 115 | commands:</para>
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| 116 |
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| 117 | <screen><userinput>sed -i -e "9,11d" -e "s/pamconsole/users/" \
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| 118 | fdi/policy/10osvendor/10-storage-policy.fdi
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| 119 | ./configure --prefix=/usr \
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| 120 | --sysconfdir=/etc \
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| 121 | --libexecdir=/usr/lib/hal \
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| 122 | --localstatedir=/var \
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| 123 | --enable-fstab-sync \
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| 124 | --enable-pcmcia-support &&
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| 125 | make</userinput></screen>
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| 126 |
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| 127 | <para>This package does not come with a test suite.</para>
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| 128 |
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| 129 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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| 130 |
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| 131 | <screen role="root"><userinput>make install &&
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| 132 | install -v -m755 -d /var/run/hald</userinput></screen>
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| 133 |
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| 134 | </sect2>
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| 135 |
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| 136 | <sect2 role="commands">
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| 137 | <title>Command Explanations</title>
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| 138 |
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| 139 | <para><command>sed -i -e "9,11d" -e "s/pamconsole/users/" ...</command>:
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| 140 | This command adjusts the policy for storage devices so that the
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| 141 | <filename>/etc/fstab</filename> file is updated to standards used by LFS
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| 142 | systems.</para>
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| 143 |
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| 144 | <para><parameter>--libexecdir=/usr/lib/hal</parameter>: This parameter
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| 145 | forces the installation of libexec files to
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| 146 | <filename class='directory'>/usr/lib/hal</filename> instead of
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| 147 | <filename class='directory'>/usr/libexec</filename>.</para>
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| 148 |
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| 149 | <para><parameter>--localstatedir=/var</parameter>: This parameter forces
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| 150 | the creation of the <filename>pid</filename> file to
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| 151 | <filename class='directory'>/var/run/hald</filename> instead of
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| 152 | <filename class='directory'>/usr/var/run/hald</filename>.</para>
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| 153 |
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| 154 | <para><parameter>--enable-fstab-sync</parameter>: This parameter will
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| 155 | ensure the <command>fstab-sync</command> program is built.</para>
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| 156 |
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| 157 | <para><parameter>--enable-pcmcia-support</parameter>: This parameter
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| 158 | provides extended PCMCIA support.</para>
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| 159 |
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| 160 | </sect2>
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| 161 |
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| 162 | <sect2 role="configuration">
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| 163 | <title>Configuring HAL</title>
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| 164 |
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| 165 | <sect3 id="hal-config">
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| 166 | <title>Config Files</title>
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| 167 | <para><filename>/etc/dbus-1/system.d/hal.conf</filename> and
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| 168 | <filename>/etc/hal/*</filename></para>
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| 169 |
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| 170 | <indexterm zone="hal hal-config">
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| 171 | <primary sortas="e-etc-dbus-1-system.d-hal.conf">/etc/dbus-1/system.d/hal.conf</primary>
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| 172 | </indexterm>
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| 173 |
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| 174 | <indexterm zone="hal hal-config">
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| 175 | <primary sortas="e-etc-hal-star">/etc/hal/*</primary>
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| 176 | </indexterm>
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| 177 | </sect3>
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| 178 |
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| 179 | <sect3><title>Configuration Information</title>
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| 180 |
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| 181 | <para>No configuration is necessary as the default values will work for
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| 182 | most systems. Some tweaking of the various policies may be required for
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| 183 | special circumstances.</para>
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| 184 |
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| 185 | </sect3>
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| 186 |
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| 187 | <sect3 id="hal-init">
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| 188 | <title>Boot Script</title>
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| 189 |
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| 190 | <para>To automatically start the <command>hald</command> daemon
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| 191 | when the system is rebooted, install the
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| 192 | <filename>/etc/rc.d/init.d/haldaemon</filename>
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| 193 | bootscript from the
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| 194 | <xref linkend="intro-important-bootscripts"/> package.</para>
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| 195 |
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| 196 | <indexterm zone="hal hal-init">
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| 197 | <primary sortas="f-haldaemon">haldaemon</primary>
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| 198 | </indexterm>
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| 199 |
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| 200 | <note>
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| 201 | <para>If the system-wide <application>D-BUS</application> daemon was
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| 202 | running during the installation of <application>HAL</application>,
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| 203 | ensure you stop and restart the <application>D-BUS</application>
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| 204 | daemon before attempting to start the <command>hald</command>
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| 205 | daemon.</para>
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| 206 | </note>
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| 207 |
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| 208 | <screen role="root"><userinput>make install-haldaemon</userinput></screen>
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| 209 |
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| 210 | </sect3>
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| 211 |
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| 212 | </sect2>
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| 213 |
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| 214 | <sect2 role="content">
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| 215 | <title>Contents</title>
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| 216 |
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| 217 | <segmentedlist>
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| 218 | <segtitle>Installed Programs</segtitle>
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| 219 | <segtitle>Installed Libraries</segtitle>
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| 220 | <segtitle>Installed Directories</segtitle>
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| 221 |
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| 222 | <seglistitem>
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| 223 | <seg>fstab-sync, hal.hotplug, hal-device, hal-device-manager,
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| 224 | hal-find-by-capability, hal-find-by-property, hal-get-property,
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| 225 | hal-luks-remove, hal-luks-setup, hal-set-property,
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| 226 | hal-system-power-hibernate, hal-system-power-set-power-save,
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| 227 | hal-system-power-suspend, hald, hald-addon-acpi, hald-addon-hid-ups,
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| 228 | hald-addon-pmu, hald-addon-storage, hald-addon-usb-csr,
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| 229 | hald-probe-hiddev, hald-probe-input, hald-probe-pc-floppy,
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| 230 | hald-probe-printer, hald-probe-smbios, hald-probe-storage,
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| 231 | hald-probe-volume and lshal</seg>
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| 232 | <seg>libhal.[so,a] and libhal-storage,[so,a]</seg>
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| 233 | <seg>/etc/hal, /usr/include/hal, /usr/lib/hal,
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| 234 | /usr/share/doc/hal-&hal-version;, /usr/share/hal
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| 235 | and /var/run/hald</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="fstab-sync">
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| 245 | <term><command>fstab-sync</command></term>
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| 246 | <listitem>
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| 247 | <para>updates the file systems table file
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| 248 | <filename class='directory'>/etc/fstab</filename> and creates/removes
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| 249 | mount points in <filename class='directory'>/media</filename> in
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| 250 | response to <application>HAL</application> events. This program is
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| 251 | usually never run directly from a shell; instead it is invoked as a
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| 252 | callout by the <application>HAL</application> daemon.</para>
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| 253 | <indexterm zone="hal fstab-sync">
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| 254 | <primary sortas="b-fstab-sync">fstab-sync</primary>
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| 255 | </indexterm>
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| 256 | </listitem>
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| 257 | </varlistentry>
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| 258 |
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| 259 | <varlistentry id="hal-device">
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| 260 | <term><command>hal-device</command></term>
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| 261 | <listitem>
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| 262 | <para>is used to create, remove or show a
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| 263 | <application>HAL</application> device.</para>
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| 264 | <indexterm zone="hal hal-device">
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| 265 | <primary sortas="b-hal-device">hal-device</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="hal-device-manager">
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| 271 | <term><command>hal-device-manager</command></term>
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| 272 | <listitem>
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| 273 | <para>shows a graphical respresentation of all the devices
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| 274 | <application>HAL</application> is aware of. This program requires
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| 275 | <application>GNOME-Python</application>.</para>
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| 276 | <indexterm zone="hal hal-device-manager">
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| 277 | <primary sortas="b-hal-device-manager">hal-device-manager</primary>
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| 278 | </indexterm>
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| 279 | </listitem>
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| 280 | </varlistentry>
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| 281 |
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| 282 | <varlistentry id="hal-find-by-capability">
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| 283 | <term><command>hal-find-by-capability</command></term>
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| 284 | <listitem>
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| 285 | <para>prints the Unique Device Identifiers for
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| 286 | <application>HAL</application> device objects of a given
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| 287 | capability.</para>
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| 288 | <indexterm zone="hal hal-find-by-capability">
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| 289 | <primary sortas="b-hal-find-by-cpability">hal-find-by-capability</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="hal-find-by-property">
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| 295 | <term><command>hal-find-by-property</command></term>
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| 296 | <listitem>
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| 297 | <para>prints the Unique Device Identifiers for
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| 298 | <application>HAL</application> device objects where a given property
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| 299 | assumes a given value.</para>
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| 300 | <indexterm zone="hal hal-find-by-property">
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| 301 | <primary sortas="b-hal-find-by-property">hal-find-by-property</primary>
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| 302 | </indexterm>
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| 303 | </listitem>
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| 304 | </varlistentry>
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| 305 |
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| 306 | <varlistentry id="hal-get-property">
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| 307 | <term><command>hal-get-property</command></term>
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| 308 | <listitem>
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| 309 | <para>retrieves a property from a device.</para>
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| 310 | <indexterm zone="hal hal-get-property">
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| 311 | <primary sortas="b-hal-get-property">hal-get-property</primary>
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| 312 | </indexterm>
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| 313 | </listitem>
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| 314 | </varlistentry>
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| 315 |
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| 316 | <varlistentry id="hal-luks-remove">
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| 317 | <term><command>hal-luks-remove</command></term>
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| 318 | <listitem>
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| 319 | <para>is a <application>HAL</application> method wrapper for
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| 320 | <command>cryptsetup</command> remove. This program requires <ulink
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| 321 | url="http://luks.endorphin.org/dm-crypt">LUKS</ulink>.</para>
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| 322 | <indexterm zone="hal hal-luks-remove">
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| 323 | <primary sortas="b-hal-luks-remove">hal-luks-remove</primary>
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| 324 | </indexterm>
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| 325 | </listitem>
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| 326 | </varlistentry>
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| 327 |
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| 328 | <varlistentry id="hal-luks-setup">
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| 329 | <term><command>hal-luks-setup</command></term>
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| 330 | <listitem>
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| 331 | <para>is a <application>HAL</application> method wrapper for
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| 332 | <command>luks-setup</command>. This program requires <ulink
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| 333 | url="http://luks.endorphin.org/dm-crypt">LUKS</ulink>.</para>
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| 334 | <indexterm zone="hal hal-luks-setup">
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| 335 | <primary sortas="b-hal-luks-setup">hal-luks-setup</primary>
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| 336 | </indexterm>
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| 337 | </listitem>
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| 338 | </varlistentry>
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| 339 |
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| 340 | <varlistentry id="hal-set-property">
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| 341 | <term><command>hal-set-property</command></term>
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| 342 | <listitem>
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| 343 | <para>attempts to set property for a device. Note that, due to
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| 344 | security considerations, it may not be possible to set a
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| 345 | property.</para>
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| 346 | <indexterm zone="hal hal-set-property">
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| 347 | <primary sortas="b-hal-set-property">hal-set-property</primary>
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| 348 | </indexterm>
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| 349 | </listitem>
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| 350 | </varlistentry>
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| 351 |
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| 352 | <varlistentry id="hal-system-power-hibernate">
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| 353 | <term><command>hal-system-power-hibernate</command></term>
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| 354 | <listitem>
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| 355 | <para>is a <application>HAL</application> wrapper script for
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| 356 | system power saving features. This program is currently not supported
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| 357 | on LFS platforms.</para>
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| 358 | <indexterm zone="hal hal-system-power-hibernate">
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| 359 | <primary sortas="b-hal-system-power-hibernate">hal-system-power-hibernate</primary>
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| 360 | </indexterm>
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| 361 | </listitem>
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| 362 | </varlistentry>
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| 363 |
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| 364 | <varlistentry id="hal-system-power-set-power-save">
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| 365 | <term><command>hal-system-power-set-power-save</command></term>
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| 366 | <listitem>
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| 367 | <para>is a <application>HAL</application> wrapper script for
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| 368 | system power saving features. This program is currently not supported
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| 369 | on LFS platforms.</para>
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| 370 | <indexterm zone="hal hal-system-power-set-power-save">
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| 371 | <primary sortas="b-hal-system-power-set-power-save">hal-system-power-set-power-save</primary>
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| 372 | </indexterm>
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| 373 | </listitem>
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| 374 | </varlistentry>
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| 375 |
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| 376 | <varlistentry id="hal-system-power-suspend">
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| 377 | <term><command>hal-system-power-suspend</command></term>
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| 378 | <listitem>
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| 379 | <para>is a <application>HAL</application> wrapper script for
|
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| 380 | system power saving features. This program is currently not supported
|
|---|
| 381 | on LFS platforms.</para>
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| 382 | <indexterm zone="hal hal-system-power-suspend">
|
|---|
| 383 | <primary sortas="b-hal-system-power-suspend">hal-system-power-suspend</primary>
|
|---|
| 384 | </indexterm>
|
|---|
| 385 | </listitem>
|
|---|
| 386 | </varlistentry>
|
|---|
| 387 |
|
|---|
| 388 | <varlistentry id="hald">
|
|---|
| 389 | <term><command>hald</command></term>
|
|---|
| 390 | <listitem>
|
|---|
| 391 | <para>is the <application>HAL</application> daemon program.</para>
|
|---|
| 392 | <indexterm zone="hal hald">
|
|---|
| 393 | <primary sortas="b-hald">hald</primary>
|
|---|
| 394 | </indexterm>
|
|---|
| 395 | </listitem>
|
|---|
| 396 | </varlistentry>
|
|---|
| 397 |
|
|---|
| 398 | <varlistentry id="lshal">
|
|---|
| 399 | <term><command>lshal</command></term>
|
|---|
| 400 | <listitem>
|
|---|
| 401 | <para>shows all devices and their properties. If the --monitor option
|
|---|
| 402 | is given then the device list and all devices are monitored for
|
|---|
| 403 | changes.</para>
|
|---|
| 404 | <indexterm zone="hal lshal">
|
|---|
| 405 | <primary sortas="b-lshal">lshal</primary>
|
|---|
| 406 | </indexterm>
|
|---|
| 407 | </listitem>
|
|---|
| 408 | </varlistentry>
|
|---|
| 409 |
|
|---|
| 410 | <varlistentry id="libhal">
|
|---|
| 411 | <term><filename class='libraryfile'>libhal.[so,a]</filename></term>
|
|---|
| 412 | <listitem>
|
|---|
| 413 | <para>contains the API functions required by the
|
|---|
| 414 | <application>HAL</application> programs.</para>
|
|---|
| 415 | <indexterm zone="hal libhal">
|
|---|
| 416 | <primary sortas="c-libhal">libhal.[so,a]</primary>
|
|---|
| 417 | </indexterm>
|
|---|
| 418 | </listitem>
|
|---|
| 419 | </varlistentry>
|
|---|
| 420 |
|
|---|
| 421 | <varlistentry id="libhal-storage">
|
|---|
| 422 | <term><filename class='libraryfile'>libhal-storage.[so,a]</filename></term>
|
|---|
| 423 | <listitem>
|
|---|
| 424 | <para>contains the API functions required by the
|
|---|
| 425 | <application>HAL</application> storage and volume utility
|
|---|
| 426 | programs.</para>
|
|---|
| 427 | <indexterm zone="hal libhal-storage">
|
|---|
| 428 | <primary sortas="c-libhal-storage">libhal-storage.[so,a]</primary>
|
|---|
| 429 | </indexterm>
|
|---|
| 430 | </listitem>
|
|---|
| 431 | </varlistentry>
|
|---|
| 432 |
|
|---|
| 433 | </variablelist>
|
|---|
| 434 |
|
|---|
| 435 | </sect2>
|
|---|
| 436 |
|
|---|
| 437 | </sect1>
|
|---|
