108 lines
2.9 KiB
XML
108 lines
2.9 KiB
XML
<section 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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version="5.0"
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xml:id="sec-instaling-virtualbox-guest">
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<title>Installing in a VirtualBox guest</title>
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<para>
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Installing NixOS into a VirtualBox guest is convenient for users who want to
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try NixOS without installing it on bare metal. If you want to use a pre-made
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VirtualBox appliance, it is available at
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<link
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xlink:href="https://nixos.org/nixos/download.html">the downloads
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page</link>. If you want to set up a VirtualBox guest manually, follow these
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instructions:
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</para>
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<orderedlist>
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<listitem>
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<para>
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Add a New Machine in VirtualBox with OS Type "Linux / Other Linux"
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</para>
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</listitem>
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<listitem>
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<para>
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Base Memory Size: 768 MB or higher.
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</para>
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</listitem>
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<listitem>
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<para>
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New Hard Disk of 8 GB or higher.
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</para>
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</listitem>
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<listitem>
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<para>
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Mount the CD-ROM with the NixOS ISO (by clicking on CD/DVD-ROM)
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</para>
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</listitem>
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<listitem>
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<para>
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Click on Settings / System / Processor and enable PAE/NX
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</para>
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</listitem>
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<listitem>
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<para>
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Click on Settings / System / Acceleration and enable "VT-x/AMD-V"
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acceleration
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</para>
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</listitem>
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<listitem>
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<para>
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Click on Settings / Display / Screen and select VBoxVGA as Graphics Controller
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</para>
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</listitem>
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<listitem>
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<para>
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Save the settings, start the virtual machine, and continue installation
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like normal
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</para>
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</listitem>
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</orderedlist>
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<para>
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There are a few modifications you should make in configuration.nix. Enable
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booting:
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</para>
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<programlisting>
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<xref linkend="opt-boot.loader.grub.device"/> = "/dev/sda";
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</programlisting>
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<para>
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Also remove the fsck that runs at startup. It will always fail to run,
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stopping your boot until you press <literal>*</literal>.
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</para>
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<programlisting>
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<xref linkend="opt-boot.initrd.checkJournalingFS"/> = false;
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</programlisting>
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<para>
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Shared folders can be given a name and a path in the host system in the
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VirtualBox settings (Machine / Settings / Shared Folders, then click on the
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"Add" icon). Add the following to the
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<literal>/etc/nixos/configuration.nix</literal> to auto-mount them. If you do
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not add <literal>"nofail"</literal>, the system will no boot properly. The
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same goes for disabling <literal>rngd</literal> which is normally used to get
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randomness but this does not work in virtual machines.
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</para>
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<programlisting>
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{ config, pkgs, ...} :
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{
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security.rngd.enable = false; // otherwise vm will not boot
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...
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fileSystems."/virtualboxshare" = {
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fsType = "vboxsf";
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device = "nameofthesharedfolder";
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options = [ "rw" "nofail" ];
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};
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}
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</programlisting>
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<para>
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The folder will be available directly under the root directory.
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</para>
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</section>
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