2013-10-13 14:57:09 +00:00
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<refentry 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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<refmeta>
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<refentrytitle><command>nixos-install</command></refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="source">NixOS</refmiscinfo>
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<!-- <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo> -->
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</refmeta>
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<refnamediv>
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<refname><command>nixos-install</command></refname>
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<refpurpose>install NixOS</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>nixos-install</command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsection><title>Description</title>
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<para>This command installs NixOS in the file system mounted on
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<filename>/mnt</filename>, based on the NixOS configuration specified
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in <filename>/mnt/etc/nixos/configuration.nix</filename>. It performs
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the following steps:
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<itemizedlist>
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<listitem><para>It copies Nix and its dependencies to
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<filename>/mnt/nix/store</filename>.</para></listitem>
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<listitem><para>It runs Nix in <filename>/mnt</filename> to build
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the NixOS configuration specified in
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<filename>/mnt/etc/nixos/configuration.nix</filename>.</para></listitem>
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<listitem><para>It installs the GRUB boot loader on the device
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specified in the option <option>boot.loader.grub.device</option>,
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and generates a GRUB configuration file that boots into the NixOS
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configuration just installed.</para></listitem>
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2014-05-08 22:04:48 +00:00
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<listitem><para>It prompts you for a password for the root
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account.</para></listitem>
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2013-10-13 14:57:09 +00:00
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</itemizedlist>
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</para>
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<para>This command is idempotent: if it is interrupted or fails due to
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a temporary problem (e.g. a network issue), you can safely re-run
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it.</para>
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</refsection>
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<refsection><title>Examples</title>
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<para>A typical NixOS installation is done by creating and mounting a
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file system on <filename>/mnt</filename>, generating a NixOS
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configuration in
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<filename>/mnt/etc/nixos/configuration.nix</filename>, and running
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<command>nixos-install</command>. For instance, if we want to install
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NixOS on an <literal>ext4</literal> file system created in
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<filename>/dev/sda1</filename>:
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<screen>
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$ mkfs.ext4 /dev/sda1
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$ mount /dev/sda1 /mnt
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$ nixos-generate-config --root /mnt
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$ # edit /mnt/etc/nixos/configuration.nix
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$ nixos-install
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</screen>
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</para>
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</refsection>
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</refentry>
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