mirror of
https://github.com/NixOS/nixpkgs.git
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155 lines
3.5 KiB
XML
155 lines
3.5 KiB
XML
<refentry 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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<refmeta>
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<refentrytitle><command>nixos-enter</command>
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</refentrytitle><manvolnum>8</manvolnum>
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<refmiscinfo class="source">NixOS</refmiscinfo>
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<!-- <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo> -->
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</refmeta>
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<refnamediv>
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<refname><command>nixos-enter</command></refname>
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<refpurpose>run a command in a NixOS chroot environment</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>nixos-enter</command>
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<arg>
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<arg choice='plain'>
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<option>--root</option>
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</arg>
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<replaceable>root</replaceable>
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</arg>
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<arg>
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<arg choice='plain'>
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<option>--system</option>
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</arg>
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<replaceable>system</replaceable>
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</arg>
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<arg>
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<arg choice='plain'>
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<option>-c</option>
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</arg>
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<replaceable>shell-command</replaceable>
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</arg>
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<arg>
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<arg choice='plain'>
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<option>--silent</option>
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</arg>
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</arg>
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<arg>
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<arg choice='plain'>
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<option>--help</option>
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</arg>
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</arg>
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<arg>
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<arg choice='plain'>
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<option>--</option>
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</arg>
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<replaceable>arguments</replaceable>
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</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsection>
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<title>Description</title>
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<para>
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This command runs a command in a NixOS chroot environment, that is, in a
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filesystem hierarchy previously prepared using
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<command>nixos-install</command>.
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</para>
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</refsection>
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<refsection>
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<title>Options</title>
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<para>
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This command accepts the following options:
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</para>
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<variablelist>
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<varlistentry>
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<term>
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<option>--root</option>
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</term>
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<listitem>
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<para>
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The path to the NixOS system you want to enter. It defaults to
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<filename>/mnt</filename>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--system</option>
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</term>
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<listitem>
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<para>
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The NixOS system configuration to use. It defaults to
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<filename>/nix/var/nix/profiles/system</filename>. You can enter a
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previous NixOS configuration by specifying a path such as
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<filename>/nix/var/nix/profiles/system-106-link</filename>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--command</option>
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</term>
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<term>
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<option>-c</option>
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</term>
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<listitem>
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<para>
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The bash command to execute.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--silent</option>
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</term>
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<listitem>
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<para>
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Suppresses all output from the activation script of the target system.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>--</option>
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</term>
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<listitem>
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<para>
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Interpret the remaining arguments as the program name and arguments to be
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invoked. The program is not executed in a shell.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsection>
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<refsection>
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<title>Examples</title>
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<para>
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Start an interactive shell in the NixOS installation in
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<filename>/mnt</filename>:
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</para>
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<screen>
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<prompt># </prompt>nixos-enter --root /mnt
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</screen>
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<para>
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Run a shell command:
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</para>
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<screen>
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<prompt># </prompt>nixos-enter -c 'ls -l /; cat /proc/mounts'
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</screen>
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<para>
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Run a non-shell command:
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</para>
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<screen>
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# nixos-enter -- cat /proc/mounts
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</screen>
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</refsection>
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</refentry>
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