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<?xml version="1.0"?>
<!DOCTYPE book [
<!ENTITY % entities SYSTEM "entities.ent">
%entities;
]>
<part xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude">
<title>Installing a machine in Vuizvui</title>
<para>
The easiest way to get started is if the machine is already in Vuizvui so
there is a channel available.
</para>
<para>
You can have a look at
<link xlink:href="&hydra.base;/jobset/openlab/vuizvui#tabs-channels">the
list of channels</link>
to check whether a channel exists for the machine you want to install.
</para>
<para>
So let's say you want to install the machine <literal>labtop</literal> which
has the channel attribute <literal>channels.machines.labnet.labtop</literal>
</para>
<para>
First you need to add the channel for the
<systemitem class="username">root</systemitem> user of your current system
using the following commands:
<command>
<screen>
nix-channel --add <link
xlink:href="&hydra.channelbase;/channels.machines.labnet.labtop"/> vuizvui
nix-channel --update
</screen>
</command>
Notice the <literal>vuizvui</literal> argument at the end of the first
command. This makes the channel available as
<literal><vuizvui></literal> in the search path of the current system.
</para>
<para>
For the first installation the <envar>NIX_PATH</envar> isn't correctly set
and will be set to include the <literal>vuizvui</literal> channel after
you've switched to the configuration for the first time.
</para>
<para>
Next put the following in your
<filename>/etc/nixos/configuration.nix</filename>:
</para>
<screen><code language="nix">(import <vuizvui/machines> {}).labnet.labtop.config</code></screen>
<para>
Of course you need to replace <literal>labnet.labtop</literal> with the
attribute of your machine.
</para>
<para>
Now in order to do the first build and activation of the configuration, you
need to issue the following command as root:
</para>
<!-- FIXME: This WON'T work because of wrong NIX_PATH and missicg binary
cache public key! -->
<screen><command>nixos-rebuild switch</command></screen>
</part>
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