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50 lines
1.8 KiB
XML
50 lines
1.8 KiB
XML
<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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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 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 option.
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To build the necessary files from a recent version of 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 * <literal>initrd</literal>
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– the initrd file * <literal>netboot.ipxe</literal> – an example ipxe
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script 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 have it
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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> unmodified,
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or you may need to update the paths to the files to match your server’s
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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 products
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from hydra at which point we will update this documentation with instructions
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on how to obtain them either for placing on a dedicated TFTP server or to
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boot them directly over the internet.
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</para>
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</section>
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