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27 lines
1.1 KiB
XML
27 lines
1.1 KiB
XML
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<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-nix-security">
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<title>Security</title>
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<para>Nix has two basic security models. First, it can be used in
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“single-user mode”, which is similar to what most other package
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management tools do: there is a single user (typically <systemitem
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class="username">root</systemitem>) who performs all package
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management operations. All other users can then use the installed
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packages, but they cannot perform package management operations
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themselves.</para>
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<para>Alternatively, you can configure Nix in “multi-user mode”. In
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this model, all users can perform package management operations — for
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instance, every user can install software without requiring root
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privileges. Nix ensures that this is secure. For instance, it’s not
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possible for one user to overwrite a package used by another user with
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a Trojan horse.</para>
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<xi:include href="single-user.xml" />
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<xi:include href="multi-user.xml" />
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</chapter>
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