| 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 |
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| 8 | <sect1 id="ch-system-grub" role="wrap">
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| 9 | <?dbhtml filename="grub.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>grub</productname>
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| 13 | <productnumber>&grub-version;</productnumber>
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| 14 | <address>&grub-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>GRUB-&grub-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-grub">
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| 20 | <primary sortas="a-Grub">GRUB</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The GRUB package contains the GRand Unified Bootloader.</para>
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| 27 |
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| 28 | <segmentedlist>
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| 29 | <segtitle>&buildtime;</segtitle>
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| 30 | <segtitle>&diskspace;</segtitle>
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| 31 |
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| 32 | <seglistitem>
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| 33 | <seg>&grub-fin-sbu;</seg>
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| 34 | <seg>&grub-fin-du;</seg>
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| 35 | </seglistitem>
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| 36 | </segmentedlist>
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| 37 |
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| 38 | </sect2>
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| 39 |
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| 40 | <sect2 role="installation">
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| 41 | <title>Installation of GRUB</title>
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| 42 |
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| 43 | <note>
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| 44 | <para>
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| 45 | On ARM64 systems, the following instruction builds GRUB for UEFI.
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| 46 | But because LFS lacks the FreeType package and the Unifont data
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| 47 | file, GRUB won't install any font for the boot loader and
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| 48 | the GRUB boot menu will be displayed using a coarse font or in a
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| 49 | smaller region on the screen.
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| 50 | If wanted, after the LFS system is finished, install
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| 51 | <ulink url="&blfs-book;general/freetype.html">FreeType</ulink>
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| 52 | and then install the GRUB compoents not installed from LFS following
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| 53 | <ulink url="&blfs-book;postlfs/grub-efi.html">the BLFS
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| 54 | instruction</ulink>, but remove the <option>--target=x86_64</option>
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| 55 | option and skip the command to install the
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| 56 | <filename class='directory'>/usr/lib/grub/x86_64-efi</filename>
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| 57 | directory.
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| 58 | </para>
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| 59 | <para>
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| 60 | If your system firmware does not support UEFI, you need to skip the
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| 61 | content of this page and try to figure out how to boot your system.
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| 62 | </para>
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| 63 | </note>
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| 64 |
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| 65 | <warning>
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| 66 | <para>Unset any environment variables which may affect the build:</para>
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| 67 |
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| 68 | <screen><userinput remap='pre'>unset {C,CPP,CXX,LD}FLAGS</userinput></screen>
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| 69 |
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| 70 | <para>Don't try <quote>tuning</quote> this package with custom
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| 71 | compilation flags. This package is a bootloader. The low-level
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| 72 | operations in the source code may be broken by
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| 73 | aggressive optimization.</para>
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| 74 | </warning>
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| 75 |
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| 76 | <para>
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| 77 | Add a file missing from the release tarball:
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| 78 | </para>
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| 79 |
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| 80 | <screen><userinput remap='pre'>echo <literal>depends bli part_gpt</literal> > grub-core/extra_deps.lst</userinput></screen>
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| 81 |
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| 82 | <para>Prepare GRUB for compilation:</para>
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| 83 |
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| 84 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 85 | --sysconfdir=/etc \
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| 86 | --disable-efiemu \
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| 87 | --disable-werror</userinput></screen>
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| 88 |
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| 89 | <variablelist>
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| 90 | <title>The meaning of the new configure options:</title>
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| 91 |
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| 92 | <varlistentry>
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| 93 | <term><parameter>--disable-werror</parameter></term>
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| 94 | <listitem>
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| 95 | <para>This allows the build to complete with warnings introduced
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| 96 | by more recent versions of Flex.</para>
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| 97 | </listitem>
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| 98 | </varlistentry>
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| 99 |
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| 100 | <varlistentry>
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| 101 | <term><parameter>--disable-efiemu</parameter></term>
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| 102 | <listitem>
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| 103 | <para>This option minimizes what is built by disabling a feature and
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| 104 | eliminating some test programs not needed for LFS.</para>
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| 105 | </listitem>
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| 106 | </varlistentry>
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| 107 |
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| 108 | </variablelist>
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| 109 |
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| 110 | <para>Compile the package:</para>
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| 111 |
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| 112 | <screen><userinput remap="make">make</userinput></screen>
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| 113 |
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| 114 | <para>The test suite for this packages is not recommended. Most of
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| 115 | the tests depend on packages that are not available in the limited
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| 116 | LFS environment. To run the tests anyway, run <command>make check</command>.</para>
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| 117 |
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| 118 | <para>Install the package:</para>
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| 119 |
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| 120 | <screen><userinput remap="install">make install
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| 121 | mv -v /etc/bash_completion.d/grub /usr/share/bash-completion/completions</userinput></screen>
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| 122 |
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| 123 | <para>Making your LFS system bootable with GRUB will be discussed in
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| 124 | <xref linkend="ch-bootable-grub"/>.</para>
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| 125 |
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| 126 | </sect2>
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| 127 |
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| 128 | <sect2 id="contents-gRUB" role="content">
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| 129 | <title>Contents of GRUB</title>
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| 130 |
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| 131 | <segmentedlist>
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| 132 | <segtitle>Installed programs</segtitle>
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| 133 | <segtitle>Installed directories</segtitle>
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| 134 |
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| 135 | <seglistitem>
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| 136 |
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| 137 | <seg>grub-bios-setup, grub-editenv, grub-file, grub-fstest,
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| 138 | grub-glue-efi, grub-install, grub-kbdcomp, grub-macbless,
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| 139 | grub-menulst2cfg, grub-mkconfig,
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| 140 | grub-mkimage, grub-mklayout, grub-mknetdir,
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| 141 | grub-mkpasswd-pbkdf2, grub-mkrelpath, grub-mkrescue, grub-mkstandalone,
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| 142 | grub-ofpathname, grub-probe, grub-reboot, grub-render-label,
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| 143 | grub-script-check,
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| 144 | grub-set-default, grub-sparc64-setup, and grub-syslinux2cfg</seg>
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| 145 |
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| 146 | <seg>/usr/lib/grub, /etc/grub.d, /usr/share/grub, and /boot/grub (when grub-install
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| 147 | is first run)</seg>
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| 148 | </seglistitem>
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| 149 | </segmentedlist>
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| 150 |
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| 151 | <variablelist>
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| 152 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 153 | <?dbfo list-presentation="list"?>
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| 154 | <?dbhtml list-presentation="table"?>
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| 155 |
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| 156 | <varlistentry id="grub-bios-setup">
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| 157 | <term><command>grub-bios-setup</command></term>
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| 158 | <listitem>
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| 159 | <para>Is a helper program for <command>grub-install</command></para>
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| 160 | <indexterm zone="ch-system-grub grub-bios-setup">
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| 161 | <primary sortas="b-grub-bios-setup">grub-bios-setup</primary>
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| 162 | </indexterm>
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| 163 | </listitem>
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| 164 | </varlistentry>
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| 165 |
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| 166 | <varlistentry id="grub-editenv">
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| 167 | <term><command>grub-editenv</command></term>
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| 168 | <listitem>
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| 169 | <para>Is a tool to edit the environment block</para>
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| 170 | <indexterm zone="ch-system-grub grub-editenv">
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| 171 | <primary sortas="b-grub-editenv">grub-editenv</primary>
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| 172 | </indexterm>
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| 173 | </listitem>
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| 174 | </varlistentry>
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| 175 |
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| 176 | <varlistentry id="grub-file">
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| 177 | <term><command>grub-file</command></term>
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| 178 | <listitem>
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| 179 | <para>Checks to see if the given file is of the specified type</para>
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| 180 | <indexterm zone="ch-system-grub grub-file">
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| 181 | <primary sortas="b-grub-file">grub-file</primary>
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| 182 | </indexterm>
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| 183 | </listitem>
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| 184 | </varlistentry>
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| 185 |
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| 186 | <varlistentry id="grub-fstest">
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| 187 | <term><command>grub-fstest</command></term>
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| 188 | <listitem>
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| 189 | <para>Is a tool to debug the filesystem driver</para>
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| 190 | <indexterm zone="ch-system-grub grub-fstest">
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| 191 | <primary sortas="b-grub-fstest">grub-fstest</primary>
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| 192 | </indexterm>
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| 193 | </listitem>
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| 194 | </varlistentry>
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| 195 |
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| 196 | <varlistentry id="grub-glue-efi">
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| 197 | <term><command>grub-glue-efi</command></term>
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| 198 | <listitem>
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| 199 | <para>Glues 32-bit and 64-bit binaries into a single file (for Apple machines)</para>
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| 200 | <indexterm zone="ch-system-grub grub-glue-efi">
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| 201 | <primary sortas="b-grub-glue-efi">grub-glue-efi</primary>
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| 202 | </indexterm>
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| 203 | </listitem>
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| 204 | </varlistentry>
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| 205 |
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| 206 | <varlistentry id="grub-install">
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| 207 | <term><command>grub-install</command></term>
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| 208 | <listitem>
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| 209 | <para>Installs GRUB on your drive</para>
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| 210 | <indexterm zone="ch-system-grub grub-install">
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| 211 | <primary sortas="b-grub-install">grub-install</primary>
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| 212 | </indexterm>
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| 213 | </listitem>
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| 214 | </varlistentry>
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| 215 |
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| 216 | <varlistentry id="grub-kbdcomp">
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| 217 | <term><command>grub-kbdcomp</command></term>
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| 218 | <listitem>
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| 219 | <para>Is a script that converts an xkb layout into one recognized by
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| 220 | GRUB</para>
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| 221 | <indexterm zone="ch-system-grub grub-kbdcomp">
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| 222 | <primary sortas="b-grub-kbdcomp">grub-kbdcomp</primary>
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| 223 | </indexterm>
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| 224 | </listitem>
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| 225 | </varlistentry>
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| 226 |
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| 227 | <varlistentry id="grub-macbless">
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| 228 | <term><command>grub-macbless</command></term>
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| 229 | <listitem>
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| 230 | <para>Is the Mac-style bless for HFS or HFS+ file systems (<command>bless</command>
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| 231 | is peculiar to Apple machines; it makes a device bootable)</para>
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| 232 | <indexterm zone="ch-system-grub grub-macbless">
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| 233 | <primary sortas="b-grub-macbless">grub-macbless</primary>
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| 234 | </indexterm>
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| 235 | </listitem>
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| 236 | </varlistentry>
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| 237 |
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| 238 | <varlistentry id="grub-menulst2cfg">
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| 239 | <term><command>grub-menulst2cfg</command></term>
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| 240 | <listitem>
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| 241 | <para>Converts a GRUB Legacy <filename>menu.lst</filename>
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| 242 | into a <filename>grub.cfg</filename> for use with GRUB 2</para>
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| 243 | <indexterm zone="ch-system-grub grub-menulst2cfg">
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| 244 | <primary sortas="b-grub-menulst2cfg">grub-menulst2cfg</primary>
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| 245 | </indexterm>
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| 246 | </listitem>
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| 247 | </varlistentry>
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| 248 |
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| 249 | <varlistentry id="grub-mkconfig">
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| 250 | <term><command>grub-mkconfig</command></term>
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| 251 | <listitem>
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| 252 | <para>Generates a <filename>grub.cfg</filename> file</para>
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| 253 | <indexterm zone="ch-system-grub grub-mkconfig">
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| 254 | <primary sortas="b-grub-mkconfig">grub-mkconfig</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="grub-mkimage">
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| 260 | <term><command>grub-mkimage</command></term>
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| 261 | <listitem>
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| 262 | <para>Makes a bootable image of GRUB</para>
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| 263 | <indexterm zone="ch-system-grub grub-mkimage">
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| 264 | <primary sortas="b-grub-mkimage">grub-mkimage</primary>
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| 265 | </indexterm>
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| 266 | </listitem>
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| 267 | </varlistentry>
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| 268 |
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| 269 | <varlistentry id="grub-mklayout">
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| 270 | <term><command>grub-mklayout</command></term>
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| 271 | <listitem>
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| 272 | <para>Generates a GRUB keyboard layout file</para>
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| 273 | <indexterm zone="ch-system-grub grub-mklayout">
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| 274 | <primary sortas="b-grub-mklayout">grub-mklayout</primary>
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| 275 | </indexterm>
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| 276 | </listitem>
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| 277 | </varlistentry>
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| 278 |
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| 279 | <varlistentry id="grub-mknetdir">
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| 280 | <term><command>grub-mknetdir</command></term>
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| 281 | <listitem>
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| 282 | <para>Prepares a GRUB netboot directory</para>
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| 283 | <indexterm zone="ch-system-grub grub-mknetdir">
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| 284 | <primary sortas="b-grub-mknetdir">grub-mknetdir</primary>
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| 285 | </indexterm>
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| 286 | </listitem>
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| 287 | </varlistentry>
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| 288 |
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| 289 | <varlistentry id="grub-mkpasswd-pbkdf2">
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| 290 | <term><command>grub-mkpasswd-pbkdf2</command></term>
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| 291 | <listitem>
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| 292 | <para>Generates an encrypted PBKDF2 password for use in the boot
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| 293 | menu</para>
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| 294 | <indexterm zone="ch-system-grub grub-mkpasswd-pbkdf2">
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| 295 | <primary sortas="b-grub-mkpasswd-pbkdf2">grub-mkpasswd-pbkdf2</primary>
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| 296 | </indexterm>
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| 297 | </listitem>
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| 298 | </varlistentry>
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| 299 |
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| 300 | <varlistentry id="grub-mkrelpath">
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| 301 | <term><command>grub-mkrelpath</command></term>
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| 302 | <listitem>
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| 303 | <para>Makes a system pathname relative to its root</para>
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| 304 | <indexterm zone="ch-system-grub grub-mkrelpath">
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| 305 | <primary sortas="b-grub-mkrelpath">grub-mkrelpath</primary>
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| 306 | </indexterm>
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| 307 | </listitem>
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| 308 | </varlistentry>
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| 309 |
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| 310 | <varlistentry id="grub-mkrescue">
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| 311 | <term><command>grub-mkrescue</command></term>
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| 312 | <listitem>
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| 313 | <para>Makes a bootable image of GRUB suitable for a floppy disk,
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| 314 | CDROM/DVD, or a USB drive</para>
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| 315 | <indexterm zone="ch-system-grub grub-mkrescue">
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| 316 | <primary sortas="b-grub-mkrescue">grub-mkrescue</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 | <varlistentry id="grub-mkstandalone">
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| 322 | <term><command>grub-mkstandalone</command></term>
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| 323 | <listitem>
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| 324 | <para>Generates a standalone image</para>
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| 325 | <indexterm zone="ch-system-grub grub-mkstandalone">
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| 326 | <primary sortas="b-grub-mkstandalone">grub-mkstandalone</primary>
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| 327 | </indexterm>
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| 328 | </listitem>
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| 329 | </varlistentry>
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| 330 |
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| 331 | <varlistentry id="grub-ofpathname">
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| 332 | <term><command>grub-ofpathname</command></term>
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| 333 | <listitem>
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| 334 | <para>Is a helper program that prints the path to a GRUB device</para>
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| 335 | <indexterm zone="ch-system-grub grub-ofpathname">
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| 336 | <primary sortas="b-grub-ofpathname">grub-ofpathname</primary>
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| 337 | </indexterm>
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| 338 | </listitem>
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| 339 | </varlistentry>
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| 340 |
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| 341 | <varlistentry id="grub-probe">
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| 342 | <term><command>grub-probe</command></term>
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| 343 | <listitem>
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| 344 | <para>Probes device information for a given path or device</para>
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| 345 | <indexterm zone="ch-system-grub grub-probe">
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| 346 | <primary sortas="b-grub-probe">grub-probe</primary>
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| 347 | </indexterm>
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| 348 | </listitem>
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| 349 | </varlistentry>
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| 350 |
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| 351 | <varlistentry id="grub-reboot">
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| 352 | <term><command>grub-reboot</command></term>
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| 353 | <listitem>
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| 354 | <para>Sets the default boot entry for GRUB for the next boot only</para>
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| 355 | <indexterm zone="ch-system-grub grub-reboot">
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| 356 | <primary sortas="b-grub-reboot">grub-reboot</primary>
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| 357 | </indexterm>
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| 358 | </listitem>
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| 359 | </varlistentry>
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| 360 |
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| 361 | <varlistentry id="grub-render-label">
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| 362 | <term><command>grub-render-label</command></term>
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| 363 | <listitem>
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| 364 | <para>Renders Apple .disk_label for Apple Macs</para>
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| 365 | <indexterm zone="ch-system-grub grub-render-label">
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| 366 | <primary sortas="b-grub-render-label">grub-render-label</primary>
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| 367 | </indexterm>
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| 368 | </listitem>
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| 369 | </varlistentry>
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| 370 |
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| 371 | <varlistentry id="grub-script-check">
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| 372 | <term><command>grub-script-check</command></term>
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| 373 | <listitem>
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| 374 | <para>Checks the GRUB configuration script for syntax errors</para>
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| 375 | <indexterm zone="ch-system-grub grub-script-check">
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| 376 | <primary sortas="b-grub-script-check">grub-script-check</primary>
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| 377 | </indexterm>
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| 378 | </listitem>
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| 379 | </varlistentry>
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| 380 |
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| 381 | <varlistentry id="grub-set-default">
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| 382 | <term><command>grub-set-default</command></term>
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| 383 | <listitem>
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| 384 | <para>Sets the default boot entry for GRUB</para>
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| 385 | <indexterm zone="ch-system-grub grub-set-default">
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| 386 | <primary sortas="b-grub-set-default">grub-set-default</primary>
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| 387 | </indexterm>
|
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| 388 | </listitem>
|
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| 389 | </varlistentry>
|
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| 390 |
|
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| 391 | <varlistentry id="grub-sparc64-setup">
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| 392 | <term><command>grub-sparc64-setup</command></term>
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| 393 | <listitem>
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| 394 | <para>Is a helper program for grub-setup</para>
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| 395 | <indexterm zone="ch-system-grub grub-sparc64-setup">
|
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| 396 | <primary sortas="b-grub-sparc64-setup">grub-setup</primary>
|
|---|
| 397 | </indexterm>
|
|---|
| 398 | </listitem>
|
|---|
| 399 | </varlistentry>
|
|---|
| 400 |
|
|---|
| 401 | <varlistentry id="grub-syslinux2cfg">
|
|---|
| 402 | <term><command>grub-syslinux2cfg</command></term>
|
|---|
| 403 | <listitem>
|
|---|
| 404 | <para>Transforms a syslinux config file into grub.cfg format</para>
|
|---|
| 405 | <indexterm zone="ch-system-grub grub-syslinux2cfg">
|
|---|
| 406 | <primary sortas="b-grub-syslinux2cfg">grub-syslinux2cfg</primary>
|
|---|
| 407 | </indexterm>
|
|---|
| 408 | </listitem>
|
|---|
| 409 | </varlistentry>
|
|---|
| 410 |
|
|---|
| 411 | </variablelist>
|
|---|
| 412 |
|
|---|
| 413 | </sect2>
|
|---|
| 414 |
|
|---|
| 415 | </sect1>
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|---|
