| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
 | 
|---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
 | 
|---|
| 3 |   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 | 
|---|
| 4 |   <!ENTITY % general-entities SYSTEM "../../general.ent">
 | 
|---|
| 5 |   %general-entities;
 | 
|---|
| 6 | ]>
 | 
|---|
| 7 | <sect1 id="ch-system-grub" role="wrap">
 | 
|---|
| 8 |   <?dbhtml filename="grub.html"?>
 | 
|---|
| 9 | 
 | 
|---|
| 10 |   <title>GRUB-&grub-version;</title>
 | 
|---|
| 11 | 
 | 
|---|
| 12 |   <indexterm zone="ch-system-grub">
 | 
|---|
| 13 |     <primary sortas="a-GRUB">GRUB</primary>
 | 
|---|
| 14 |   </indexterm>
 | 
|---|
| 15 | 
 | 
|---|
| 16 |   <sect2 role="package">
 | 
|---|
| 17 |     <title/>
 | 
|---|
| 18 | 
 | 
|---|
| 19 |     <para>The GRUB package contains the GRand Unified Bootloader.</para>
 | 
|---|
| 20 | 
 | 
|---|
| 21 |   </sect2>
 | 
|---|
| 22 | 
 | 
|---|
| 23 |   <sect2 role="installation">
 | 
|---|
| 24 |     <title>Installation of GRUB</title>
 | 
|---|
| 25 | 
 | 
|---|
| 26 |     <note os="n1">
 | 
|---|
| 27 |       <para>If you would like use a different bootloader than this
 | 
|---|
| 28 |       one you can go to the following link for alternative bootloaders
 | 
|---|
| 29 |       and the instructions to use them.
 | 
|---|
| 30 |       <ulink url="http://trac.cross-lfs.org/wiki/bootloaders"/></para>
 | 
|---|
| 31 |     </note>
 | 
|---|
| 32 | 
 | 
|---|
| 33 |     <note os="n2">
 | 
|---|
| 34 |       <para>This package is known to have issues when its default optimization
 | 
|---|
| 35 |       flags (including the <option>-march</option> and <option>-mtune</option>
 | 
|---|
| 36 |       options) are changed. If any environment variables that override default
 | 
|---|
| 37 |       optimizations have been defined, such as <envar>CFLAGS</envar> and
 | 
|---|
| 38 |       <envar>CXXFLAGS</envar>, unset them when building GRUB.</para>
 | 
|---|
| 39 |     </note>
 | 
|---|
| 40 | 
 | 
|---|
| 41 |     <para os="s1">Glibc-&glibc-version; does not declare gets():</para>
 | 
|---|
| 42 | 
 | 
|---|
| 43 | <screen os="s2"><userinput>sed -i -e '/gets is a/d' grub-core/gnulib/stdio.in.h</userinput></screen>
 | 
|---|
| 44 | 
 | 
|---|
| 45 |     <para os="a">Prepare GRUB for compilation:</para>
 | 
|---|
| 46 | 
 | 
|---|
| 47 | <screen os="b"><userinput>./configure --prefix=/usr \
 | 
|---|
| 48 |     --sysconfdir=/etc --disable-werror</userinput></screen>
 | 
|---|
| 49 | 
 | 
|---|
| 50 |     <para os="c">Compile the package:</para>
 | 
|---|
| 51 | 
 | 
|---|
| 52 | <screen os="d"><userinput>make</userinput></screen>
 | 
|---|
| 53 | 
 | 
|---|
| 54 |     <para os="e">To test GRUB you must have QEMU installed and then, issue:</para>
 | 
|---|
| 55 | 
 | 
|---|
| 56 | <screen os="d2"><userinput remap="test">make check</userinput></screen>
 | 
|---|
| 57 | 
 | 
|---|
| 58 |     <para os="f">Install the package:</para>
 | 
|---|
| 59 | 
 | 
|---|
| 60 | <screen os="g"><userinput>make install</userinput></screen>
 | 
|---|
| 61 | 
 | 
|---|
| 62 |   </sect2>
 | 
|---|
| 63 | 
 | 
|---|
| 64 |   <sect2 id="conf-grub" role="configuration">
 | 
|---|
| 65 |     <title>Configuring GRUB</title>
 | 
|---|
| 66 | 
 | 
|---|
| 67 |     <indexterm zone="conf-grub">
 | 
|---|
| 68 |       <primary sortas="a-GRUB">GRUB</primary>
 | 
|---|
| 69 |     <secondary>configuring</secondary></indexterm>
 | 
|---|
| 70 | 
 | 
|---|
| 71 |     <indexterm zone="conf-grub">
 | 
|---|
| 72 |       <primary sortas="e-/etc/default/grub">/etc/default/grub</primary>
 | 
|---|
| 73 |     </indexterm>
 | 
|---|
| 74 | 
 | 
|---|
| 75 |     <para>Now that grub is installed, we need to configure the defaults that
 | 
|---|
| 76 |     will be used to generate the configuration after we install the kernel.
 | 
|---|
| 77 |     Create this file with the following:</para>
 | 
|---|
| 78 | 
 | 
|---|
| 79 | <screen><userinput>install -m755 -dv /etc/default
 | 
|---|
| 80 | cat > /etc/default/grub << "EOF"
 | 
|---|
| 81 | <literal># Begin /etc/default/grub
 | 
|---|
| 82 | 
 | 
|---|
| 83 | GRUB_DEFAULT=0
 | 
|---|
| 84 | #GRUB_SAVEDEFAULT=true
 | 
|---|
| 85 | GRUB_HIDDEN_TIMEOUT=
 | 
|---|
| 86 | GRUB_HIDDEN_TIMEOUT_QUIET=false
 | 
|---|
| 87 | GRUB_TIMEOUT=10
 | 
|---|
| 88 | GRUB_DISTRIBUTOR=Cross-LFS
 | 
|---|
| 89 | 
 | 
|---|
| 90 | GRUB_CMDLINE_LINUX=""
 | 
|---|
| 91 | GRUB_CMDLINE_LINUX_DEFAULT=""
 | 
|---|
| 92 | 
 | 
|---|
| 93 | #GRUB_TERMINAL=console
 | 
|---|
| 94 | #GRUB_GFXMODE=640x480
 | 
|---|
| 95 | #GRUB_GFXPAYLOAD_LINUX=keep
 | 
|---|
| 96 | 
 | 
|---|
| 97 | #GRUB_DISABLE_LINUX_UUID=true
 | 
|---|
| 98 | #GRUB_DISABLE_LINUX_RECOVERY=true
 | 
|---|
| 99 | 
 | 
|---|
| 100 | #GRUB_INIT_TUNE="480 440 1"
 | 
|---|
| 101 | 
 | 
|---|
| 102 | #GRUB_DISABLE_OS_PROBER=true
 | 
|---|
| 103 | 
 | 
|---|
| 104 | # End /etc/default/grub</literal>
 | 
|---|
| 105 | EOF</userinput></screen>
 | 
|---|
| 106 | 
 | 
|---|
| 107 |     <variablelist>
 | 
|---|
| 108 |       <title>The meaning of the above options and possible alternate
 | 
|---|
| 109 |       values:</title>
 | 
|---|
| 110 | 
 | 
|---|
| 111 |     <varlistentry>
 | 
|---|
| 112 |       <term><parameter>GRUB_DEFAULT=</parameter></term>
 | 
|---|
| 113 |       <listitem>
 | 
|---|
| 114 |         <para>Write Me</para>
 | 
|---|
| 115 |       </listitem>
 | 
|---|
| 116 |     </varlistentry>
 | 
|---|
| 117 | 
 | 
|---|
| 118 |     <varlistentry>
 | 
|---|
| 119 |       <term><parameter>GRUB_SAVEDEFAULT=</parameter></term>
 | 
|---|
| 120 |       <listitem>
 | 
|---|
| 121 |         <para>Write Me</para>
 | 
|---|
| 122 |       </listitem>
 | 
|---|
| 123 |     </varlistentry>
 | 
|---|
| 124 | 
 | 
|---|
| 125 |     <varlistentry>
 | 
|---|
| 126 |       <term><parameter>GRUB_HIDDEN_TIMEOUT=</parameter></term>
 | 
|---|
| 127 |       <listitem>
 | 
|---|
| 128 |         <para>Write Me</para>
 | 
|---|
| 129 |       </listitem>
 | 
|---|
| 130 |     </varlistentry>
 | 
|---|
| 131 | 
 | 
|---|
| 132 |     <varlistentry>
 | 
|---|
| 133 |       <term><parameter>GRUB_HIDDEN_TIMEOUT_QUIET=</parameter></term>
 | 
|---|
| 134 |       <listitem>
 | 
|---|
| 135 |         <para>Write Me</para>
 | 
|---|
| 136 |       </listitem>
 | 
|---|
| 137 |     </varlistentry>
 | 
|---|
| 138 | 
 | 
|---|
| 139 |     <varlistentry>
 | 
|---|
| 140 |       <term><parameter>GRUB_TIMEOUT=</parameter></term>
 | 
|---|
| 141 |       <listitem>
 | 
|---|
| 142 |         <para>Write Me</para>
 | 
|---|
| 143 |       </listitem>
 | 
|---|
| 144 |     </varlistentry>
 | 
|---|
| 145 | 
 | 
|---|
| 146 |     <varlistentry>
 | 
|---|
| 147 |       <term><parameter>GRUB_DISTRIBUTOR=</parameter></term>
 | 
|---|
| 148 |       <listitem>
 | 
|---|
| 149 |         <para>Write Me</para>
 | 
|---|
| 150 |       </listitem>
 | 
|---|
| 151 |     </varlistentry>
 | 
|---|
| 152 | 
 | 
|---|
| 153 |     <varlistentry>
 | 
|---|
| 154 |       <term><parameter>GRUB_CMDLINE_LINUX=</parameter></term>
 | 
|---|
| 155 |       <listitem>
 | 
|---|
| 156 |         <para>Write Me</para>
 | 
|---|
| 157 |       </listitem>
 | 
|---|
| 158 |     </varlistentry>
 | 
|---|
| 159 | 
 | 
|---|
| 160 |     <varlistentry>
 | 
|---|
| 161 |       <term><parameter>GRUB_CMDLINE_LINUX_DEFAULT=</parameter></term>
 | 
|---|
| 162 |       <listitem>
 | 
|---|
| 163 |         <para>Write Me</para>
 | 
|---|
| 164 |       </listitem>
 | 
|---|
| 165 |     </varlistentry>
 | 
|---|
| 166 | 
 | 
|---|
| 167 |     <varlistentry>
 | 
|---|
| 168 |       <term><parameter>GRUB_TERMINAL=</parameter></term>
 | 
|---|
| 169 |       <listitem>
 | 
|---|
| 170 |         <para>Write Me</para>
 | 
|---|
| 171 |       </listitem>
 | 
|---|
| 172 |     </varlistentry>
 | 
|---|
| 173 | 
 | 
|---|
| 174 |     <varlistentry>
 | 
|---|
| 175 |       <term><parameter>GRUB_GFXMODE=</parameter></term>
 | 
|---|
| 176 |       <listitem>
 | 
|---|
| 177 |         <para>Write Me</para>
 | 
|---|
| 178 |       </listitem>
 | 
|---|
| 179 |     </varlistentry>
 | 
|---|
| 180 | 
 | 
|---|
| 181 |     <varlistentry>
 | 
|---|
| 182 |       <term><parameter>GRUB_GFXPAYLOAD_LINUX=</parameter></term>
 | 
|---|
| 183 |       <listitem>
 | 
|---|
| 184 |         <para>Write Me</para>
 | 
|---|
| 185 |       </listitem>
 | 
|---|
| 186 |     </varlistentry>
 | 
|---|
| 187 | 
 | 
|---|
| 188 |     <varlistentry>
 | 
|---|
| 189 |       <term><parameter>GRUB_DEFAULT=</parameter></term>
 | 
|---|
| 190 |       <listitem>
 | 
|---|
| 191 |         <para>Write Me</para>
 | 
|---|
| 192 |       </listitem>
 | 
|---|
| 193 |     </varlistentry>
 | 
|---|
| 194 | 
 | 
|---|
| 195 |     <varlistentry>
 | 
|---|
| 196 |       <term><parameter>GRUB_DISABLE_LINUX_UUID=</parameter></term>
 | 
|---|
| 197 |       <listitem>
 | 
|---|
| 198 |         <para>Write Me</para>
 | 
|---|
| 199 |       </listitem>
 | 
|---|
| 200 |     </varlistentry>
 | 
|---|
| 201 | 
 | 
|---|
| 202 |     <varlistentry>
 | 
|---|
| 203 |       <term><parameter>GRUB_DISABLE_LINUX_RECOVERY=</parameter></term>
 | 
|---|
| 204 |       <listitem>
 | 
|---|
| 205 |         <para>Write Me</para>
 | 
|---|
| 206 |       </listitem>
 | 
|---|
| 207 |     </varlistentry>
 | 
|---|
| 208 | 
 | 
|---|
| 209 |     <varlistentry>
 | 
|---|
| 210 |       <term><parameter>GRUB_INIT_TUNE=</parameter></term>
 | 
|---|
| 211 |       <listitem>
 | 
|---|
| 212 |         <para>Write Me</para>
 | 
|---|
| 213 |       </listitem>
 | 
|---|
| 214 |     </varlistentry>
 | 
|---|
| 215 | 
 | 
|---|
| 216 |     <varlistentry>
 | 
|---|
| 217 |       <term><parameter>GRUB_DISABLE_OS_PROBER=</parameter></term>
 | 
|---|
| 218 |       <listitem>
 | 
|---|
| 219 |         <para>Write Me</para>
 | 
|---|
| 220 |       </listitem>
 | 
|---|
| 221 |     </varlistentry>
 | 
|---|
| 222 | 
 | 
|---|
| 223 |     </variablelist>
 | 
|---|
| 224 | 
 | 
|---|
| 225 |   </sect2>
 | 
|---|
| 226 | 
 | 
|---|
| 227 |   <sect2 id="contents-grub" role="content">
 | 
|---|
| 228 |     <title>Contents of GRUB</title>
 | 
|---|
| 229 | 
 | 
|---|
| 230 |     <segmentedlist>
 | 
|---|
| 231 |       <segtitle>Installed programs</segtitle>
 | 
|---|
| 232 |       <segtitle>Installed directories</segtitle>
 | 
|---|
| 233 | 
 | 
|---|
| 234 |       <seglistitem>
 | 
|---|
| 235 |         <seg>grub, grub-install, grub-md5-crypt, grub-set-default, grub-terminfo, and mbchk</seg>
 | 
|---|
| 236 |         <seg>/usr/lib/grub, /boot/grub</seg>
 | 
|---|
| 237 |       </seglistitem>
 | 
|---|
| 238 |     </segmentedlist>
 | 
|---|
| 239 | 
 | 
|---|
| 240 |     <variablelist>
 | 
|---|
| 241 |       <bridgehead renderas="sect3">Short Descriptions</bridgehead>
 | 
|---|
| 242 |       <?dbfo list-presentation="list"?>
 | 
|---|
| 243 |       <?dbhtml list-presentation="table"?>
 | 
|---|
| 244 | 
 | 
|---|
| 245 |       <varlistentry id="grub">
 | 
|---|
| 246 |         <term><command>grub</command></term>
 | 
|---|
| 247 |         <listitem>
 | 
|---|
| 248 |           <para>The Grand Unified Bootloader's command shell</para>
 | 
|---|
| 249 |           <indexterm zone="ch-system-grub grub">
 | 
|---|
| 250 |             <primary sortas="b-grub">grub</primary>
 | 
|---|
| 251 |           </indexterm>
 | 
|---|
| 252 |         </listitem>
 | 
|---|
| 253 |       </varlistentry>
 | 
|---|
| 254 | 
 | 
|---|
| 255 |       <varlistentry id="grub-install">
 | 
|---|
| 256 |         <term><command>grub-install</command></term>
 | 
|---|
| 257 |         <listitem>
 | 
|---|
| 258 |           <para>Installs GRUB on the given device</para>
 | 
|---|
| 259 |           <indexterm zone="ch-system-grub grub-install">
 | 
|---|
| 260 |             <primary sortas="b-grub-install">grub-install</primary>
 | 
|---|
| 261 |           </indexterm>
 | 
|---|
| 262 |         </listitem>
 | 
|---|
| 263 |       </varlistentry>
 | 
|---|
| 264 | 
 | 
|---|
| 265 |       <varlistentry id="grub-md5-crypt">
 | 
|---|
| 266 |         <term><command>grub-md5-crypt</command></term>
 | 
|---|
| 267 |         <listitem>
 | 
|---|
| 268 |           <para>Encrypts a password in MD5 format</para>
 | 
|---|
| 269 |           <indexterm zone="ch-system-grub grub-md5-crypt">
 | 
|---|
| 270 |             <primary sortas="b-grub-md5-crypt">grub-md5-crypt</primary>
 | 
|---|
| 271 |           </indexterm>
 | 
|---|
| 272 |         </listitem>
 | 
|---|
| 273 |       </varlistentry>
 | 
|---|
| 274 | 
 | 
|---|
| 275 |       <varlistentry id="grub-set-default">
 | 
|---|
| 276 |         <term><command>grub-set-default</command></term>
 | 
|---|
| 277 |         <listitem>
 | 
|---|
| 278 |           <para>Sets the default boot entry for GRUB</para>
 | 
|---|
| 279 |           <indexterm zone="ch-system-grub grub-set-default">
 | 
|---|
| 280 |             <primary sortas="b-grub-set-default">grub-set-default</primary>
 | 
|---|
| 281 |           </indexterm>
 | 
|---|
| 282 |         </listitem>
 | 
|---|
| 283 |       </varlistentry>
 | 
|---|
| 284 | 
 | 
|---|
| 285 |       <varlistentry id="grub-terminfo">
 | 
|---|
| 286 |         <term><command>grub-terminfo</command></term>
 | 
|---|
| 287 |         <listitem>
 | 
|---|
| 288 |           <para>Generates a terminfo command from a terminfo name; it can be
 | 
|---|
| 289 |           employed if an unknown terminal is being used</para>
 | 
|---|
| 290 |           <indexterm zone="ch-system-grub grub-terminfo">
 | 
|---|
| 291 |             <primary sortas="b-grub-terminfo">grub-terminfo</primary>
 | 
|---|
| 292 |           </indexterm>
 | 
|---|
| 293 |         </listitem>
 | 
|---|
| 294 |       </varlistentry>
 | 
|---|
| 295 | 
 | 
|---|
| 296 |       <varlistentry id="mbchk">
 | 
|---|
| 297 |         <term><command>mbchk</command></term>
 | 
|---|
| 298 |         <listitem>
 | 
|---|
| 299 |           <para>Checks the format of a multi-boot kernel</para>
 | 
|---|
| 300 |           <indexterm zone="ch-system-grub mbchk">
 | 
|---|
| 301 |             <primary sortas="b-mbchk">mbchk</primary>
 | 
|---|
| 302 |           </indexterm>
 | 
|---|
| 303 |         </listitem>
 | 
|---|
| 304 |       </varlistentry>
 | 
|---|
| 305 | 
 | 
|---|
| 306 |     </variablelist>
 | 
|---|
| 307 | 
 | 
|---|
| 308 |   </sect2>
 | 
|---|
| 309 | 
 | 
|---|
| 310 | </sect1>
 | 
|---|