.. highlight:: sh

NixOS
=====

Contents
--------
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  *

Support
-------
Reach out to the community using the :ref:`mailing_lists` or IRC at
`#zfsonlinux <ircs://irc.libera.chat/#zfsonlinux>`__ on `Libera Chat
<https://libera.chat/>`__.

If you have a bug report or feature request
related to this HOWTO, please `file a new issue and mention @ne9z
<https://github.com/openzfs/openzfs-docs/issues/new?body=@ne9z,%20I%20have%20the%20following%20issue%20with%20the%20Nix%20ZFS%20HOWTO:>`__.

Installation
------------

Note: this is for installing ZFS on an existing
NixOS installation. To use ZFS as root file system,
see below.

Live image ships with ZFS support by default.

#. Import separate configration file for ZFS options::

    vim /etc/nixos/configuration.nix
    ##add './zfs.nix' to 'imports'
    # imports = [ ./zfs.nix ];

#. Configure ZFS options::

    tee -a /etc/nixos/zfs.nix <<EOF
    { config, pkgs, ... }:

    { boot.supportedFilesystems = [ "zfs" ];
      networking.hostId = "$(head -c 8 /etc/machine-id)";
    }
    EOF

#. Apply configuation changes::

    nixos-rebuild switch

Root on ZFS
-----------
ZFS can be used as root file system for NixOS.
An installation guide is available.

`Start here <Root%20on%20ZFS/0-overview.html>`__.

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  Root on ZFS/*