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<chapter 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-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
<filename>configuration.nix</filename> to configure the system that would be
installed on the CD.
</para>
<para>
Default CD/DVD configurations are available inside
<filename>nixos/modules/installer/cd-dvd</filename>.
<screen>
<prompt>$ </prompt>git clone https://github.com/NixOS/nixpkgs.git
<prompt>$ </prompt>cd nixpkgs/nixos
<prompt>$ </prompt>nix-build -A config.system.build.isoImage -I nixos-config=modules/installer/cd-dvd/installation-cd-minimal.nix default.nix</screen>
</para>
<para>
Before burning your CD/DVD, you can check the content of the image by
mounting anywhere like suggested by the following command:
<screen>
<prompt># </prompt>mount -o loop -t iso9660 ./result/iso/cd.iso /mnt/iso</screen>
</para>
<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
'minimal' image that doesn't include a NixOS installation.
</para>
</chapter>
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