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Document EFI installation

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Signed-off-by: Shea Levy <shea@shealevy.com>
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Shea Levy 2014-02-03 17:05:23 -05:00
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nixos/doc/manual/installation.xml
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@ -295,8 +295,73 @@ $ reboot</screen>
}</screen>
</example>
<section>
<title>UEFI Installation</title>
<para>NixOS can also be installed on UEFI systems. The procedure
is by and large the same as a BIOS installation, with the following
changes:
<itemizedlist>
<listitem>
<para>You should boot the livecd in UEFI mode (consult your specific
hardware's documentation for instructions how).</para>
</listitem>
<listitem>
<para>Instead of <command>fdisk</command>, you should use <command>
gdisk</command> to partition your disks. You will need to have a
separate partition for <filename>/boot</filename> with partition code
EF00, and it should be formatted with a vfat filesystem.</para>
</listitem>
<listitem>
<para>You must set <option>boot.loader.gummiboot.enable</option> to
<literal>true</literal>, and <option>boot.loader.grub.enable</option>
to <literal>false</literal>. <command>nixos-generate-config</command>
should do this automatically for new configurations when booted in
UEFI mode.</para>
</listitem>
<listitem>
<para>You may want to look at the options starting with
<option>boot.loader.efi</option> and <option>boot.loader.gummiboot</option>
as well.</para>
</listitem>
<listitem>
<para>To see console messages during early boot, put <literal>"fbcon"</literal>
in your <option>boot.initrd.kernelModules</option></para>
</listitem>
</itemizedlist>
</para>
</section>
<section>
<title>Booting from a USB stick</title>
<para>For systems withoua CD drive, the NixOS livecd can be booted from
a usb stick. For non-UEFI installations,
<link xlink:href="http://unetbootin.sourceforge.net/">unetbootin</link>
will work. For UEFI installations, you should mount the ISO, copy its contents
verbatim to your drive, then either:
<itemizedlist>
<listitem>
<para>Change the label of the disk partition to the label of the ISO
(visible with the blkid command), or</para>
</listitem>
<listitem>
<para>Edit <filename>loader/entries/nixos-livecd.conf</filename> on the drive
and change the <literal>root=</literal> field in the <literal>options</literal>
line to point to your drive (see the documentation on <literal>root=</literal>
in <link xlink:href="https://www.kernel.org/doc/Documentation/kernel-parameters.txt">
the kernel documentation</link> for more details).</para>
</listitem>
</itemizedlist>
</para>
</section>
</section>
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