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<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="sec-building-cd">
<title>Building Your Own NixOS CD</title>
<para>
Building a NixOS CD is as easy as configuring your own computer. The
idea is to use another module which will replace your
<literal>configuration.nix</literal> to configure the system that
would be installed on the CD.
</para>
<para>
Default CD/DVD configurations are available inside
<literal>nixos/modules/installer/cd-dvd</literal>
</para>
<programlisting>
$ git clone https://github.com/NixOS/nixpkgs.git
$ cd nixpkgs/nixos
$ nix-build -A config.system.build.isoImage -I nixos-config=modules/installer/cd-dvd/installation-cd-minimal.nix default.nix
</programlisting>
<para>
Before burning your CD/DVD, you can check the content of the image
by mounting anywhere like suggested by the following command:
</para>
<programlisting>
# mount -o loop -t iso9660 ./result/iso/cd.iso /mnt/iso</screen>
</programlisting>
<para>
If you want to customize your NixOS CD in more detail, or generate
other kinds of images, you might want to check out
<link xlink:href="https://github.com/nix-community/nixos-generators">nixos-generators</link>.
This can also be a good starting point when you want to use Nix to
build a <quote>minimal</quote> image that doesn’t include a NixOS
installation.
</para>
</chapter>
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