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42 lines
1.8 KiB
42 lines
1.8 KiB
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="sec-booting-from-pxe">
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<title>Booting from the <quote>netboot</quote> media (PXE)</title>
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<para>
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Advanced users may wish to install NixOS using an existing PXE or
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iPXE setup.
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</para>
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<para>
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These instructions assume that you have an existing PXE or iPXE
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infrastructure and simply want to add the NixOS installer as another
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option. To build the necessary files from a recent version of
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nixpkgs, you can run:
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</para>
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<programlisting>
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nix-build -A netboot.x86_64-linux nixos/release.nix
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</programlisting>
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<para>
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This will create a <literal>result</literal> directory containing: *
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<literal>bzImage</literal> – the Linux kernel *
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<literal>initrd</literal> – the initrd file *
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<literal>netboot.ipxe</literal> – an example ipxe script
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demonstrating the appropriate kernel command line arguments for this
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image
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</para>
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<para>
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If you’re using plain PXE, configure your boot loader to use the
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<literal>bzImage</literal> and <literal>initrd</literal> files and
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have it provide the same kernel command line arguments found in
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<literal>netboot.ipxe</literal>.
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</para>
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<para>
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If you’re using iPXE, depending on how your HTTP/FTP/etc. server is
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configured you may be able to use <literal>netboot.ipxe</literal>
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unmodified, or you may need to update the paths to the files to
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match your server’s directory layout.
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</para>
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<para>
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In the future we may begin making these files available as build
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products from hydra at which point we will update this documentation
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with instructions on how to obtain them either for placing on a
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dedicated TFTP server or to boot them directly over the internet.
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</para>
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</section>
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