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35 lines
1.5 KiB
XML
35 lines
1.5 KiB
XML
<chapter 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="ch-containers">
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<title>Container Management</title>
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<para>NixOS allows you to easily run other NixOS instances as
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<emphasis>containers</emphasis>. Containers are a light-weight
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approach to virtualisation that runs software in the container at the
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same speed as in the host system. NixOS containers share the Nix store
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of the host, making container creation very efficient.</para>
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<warning><para>Currently, NixOS containers are not perfectly isolated
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from the host system. This means that a user with root access to the
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container can do things that affect the host. So you should not give
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container root access to untrusted users.</para></warning>
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<para>NixOS containers can be created in two ways: imperatively, using
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the command <command>nixos-container</command>, and declaratively, by
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specifying them in your <filename>configuration.nix</filename>. The
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declarative approach implies that containers get upgraded along with
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your host system when you run <command>nixos-rebuild</command>, which
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is often not what you want. By contrast, in the imperative approach,
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containers are configured and updated independently from the host
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system.</para>
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<xi:include href="imperative-containers.xml" />
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<xi:include href="declarative-containers.xml" />
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<xi:include href="container-networking.xml" />
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</chapter>
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