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Diffstat (limited to 'chapter08/grub.xml')
| -rw-r--r-- | chapter08/grub.xml | 45 |
1 files changed, 1 insertions, 44 deletions
diff --git a/chapter08/grub.xml b/chapter08/grub.xml index 57293c359..98a339698 100644 --- a/chapter08/grub.xml +++ b/chapter08/grub.xml @@ -11,23 +11,7 @@ <primary sortas="a-Grub">Grub</primary> <secondary>configuring</secondary></indexterm> -<para>Your shiny new LFS system is almost complete. One of the last things to -do is ensure you can boot it. The instructions below apply only to computers of -IA-32 architecture, meaning mainstream PCs. Information on <quote>boot -loading</quote> for other architectures should be available in the usual -resource-specific locations for those architectures.</para> - -<para>Boot loading can be a complex area. First, a few cautionary words. You -really should be familiar with your current boot loader and any other -operating systems present on your hard drive(s) that you might wish to keep -bootable. Please make sure that you have an emergency boot disk ready, so that -you can rescue your computer if, by any chance, your computer becomes unusable -(un-bootable).</para> - -<para>Earlier, we compiled and installed the Grub boot loader software in -preparation for this step. The procedure involves writing some special Grub -files to specific locations on the hard drive. Before we get to that, we -highly recommend that you create a Grub boot floppy diskette just in case. +<para>We highly recommend that you create a Grub boot floppy diskette just in case. Insert a blank floppy diskette and run the following commands:</para> <screen><userinput>dd if=/boot/grub/stage1 of=/dev/fd0 bs=512 count=1 @@ -38,34 +22,11 @@ dd if=/boot/grub/stage2 of=/dev/fd0 bs=512 seek=1</userinput></screen> <screen><userinput>grub</userinput></screen> -<para>Grub uses its own naming structure for drives and partitions, in the form -of (hdn,m), where <emphasis>n</emphasis> is the hard drive number, and -<emphasis>m</emphasis> the partition number, both starting from zero. This -means, for instance, that partition <filename class="partition">hda1</filename> is (hd0,0) to -Grub, and <filename class="partition">hdb2</filename> is (hd1,1). In contrast to Linux, Grub -doesn't consider CD-ROM drives to be hard drives, so if you have a CD on -<filename class="partition">hdb</filename>, for example, and a second hard drive on -<filename class="partition">hdc</filename>, that second hard drive would still be (hd1).</para> - -<para>Using the above information, determine the appropriate designator for -your root partition (or boot partition, if you use a separate one). For the -following example, we'll assume your root (or separate boot) partition is -<filename class="partition">hda4</filename>.</para> - <para>First, tell Grub where to search for its <filename>stage{1,2}</filename> files -- you can use the Tab key everywhere to make Grub show the alternatives:</para> <screen><userinput>root (hd0,3)</userinput></screen> - -<warning><para>The following command will overwrite your current boot loader. -Don't run the command if this is not what you want. For example, you may be -using a third party boot manager to manage your MBR (Master Boot Record). In -this scenario, it would probably make more sense to install Grub into the -<quote>boot sector</quote> of the LFS partition, in which case this next command -would become: <userinput>setup (hd0,3)</userinput>.</para></warning> - - <para>Tell Grub to install itself into the MBR (Master Boot Record) of <filename class="partition">hda</filename>:</para> @@ -116,10 +77,6 @@ rootnoverify (hd0,0) chainloader +1 EOF</userinput></screen> -<para>If <command>info grub</command> doesn't tell you all you want to -know, you can find more information regarding Grub on its website, located at: -<ulink url="http://www.gnu.org/software/grub/"/>.</para> - <para>The FHS stipulates that Grub's menu.lst file should be symlinked to /etc/grub/menu.lst. To satisfy this requirement, issue the following command:</para> |