nixpkgs/nixos/doc/manual/installation/installing-pxe.xml
2018-05-01 19:57:09 -04:00

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<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-booting-from-pxe">
<title>Booting from the <quote>netboot</quote> media (PXE)</title>
<para>
Advanced users may wish to install NixOS using an existing PXE or iPXE setup.
</para>
<para>
These instructions assume that you have an existing PXE or iPXE
infrastructure and simply want to add the NixOS installer as another option.
To build the necessary files from a recent version of nixpkgs, you can run:
</para>
<programlisting>
nix-build -A netboot nixos/release.nix
</programlisting>
<para>
This will create a <literal>result</literal> directory containing: *
<literal>bzImage</literal> the Linux kernel * <literal>initrd</literal>
the initrd file * <literal>netboot.ipxe</literal> an example ipxe
script demonstrating the appropriate kernel command line arguments for this
image
</para>
<para>
If youre using plain PXE, configure your boot loader to use the
<literal>bzImage</literal> and <literal>initrd</literal> files and have it
provide the same kernel command line arguments found in
<literal>netboot.ipxe</literal>.
</para>
<para>
If youre using iPXE, depending on how your HTTP/FTP/etc. server is
configured you may be able to use <literal>netboot.ipxe</literal> unmodified,
or you may need to update the paths to the files to match your servers
directory layout
</para>
<para>
In the future we may begin making these files available as build products
from hydra at which point we will update this documentation with instructions
on how to obtain them either for placing on a dedicated TFTP server or to
boot them directly over the internet.
</para>
</section>