120 lines
3 KiB
XML
120 lines
3 KiB
XML
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<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></refentrytitle>
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<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'><option>--root</option></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'><option>--system</option></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'><option>-c</option></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'><option>--help</option></arg>
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</arg>
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<arg>
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<arg choice='plain'><option>--</option></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><title>Description</title>
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<para>This command runs a command in a NixOS chroot environment, that
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is, in a filesystem hierarchy previously prepared using
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<command>nixos-install</command>.</para>
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</refsection>
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<refsection><title>Options</title>
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<para>This command accepts the following options:</para>
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<variablelist>
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<varlistentry>
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<term><option>--root</option></term>
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<listitem>
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<para>The path to the NixOS system you want to enter. It defaults to <filename>/mnt</filename>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--system</option></term>
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<listitem>
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<para>The NixOS system configuration to use. It defaults to
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<filename>/nix/var/nix/profiles/system</filename>. You can enter
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a previous NixOS configuration by specifying a path such as
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<filename>/nix/var/nix/profiles/system-106-link</filename>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--command</option></term>
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<term><option>-c</option></term>
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<listitem>
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<para>The bash command to execute.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--</option></term>
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<listitem><para>Interpret the remaining arguments as the program
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name and arguments to be invoked. The program is not executed in a
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shell.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsection>
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<refsection><title>Examples</title>
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<para>Start an interactive shell in the NixOS installation in
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<filename>/mnt</filename>:</para>
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<screen>
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# nixos-enter /mnt
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</screen>
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<para>Run a shell command:</para>
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<screen>
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# nixos-enter -c 'ls -l /; cat /proc/mounts'
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</screen>
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<para>Run a non-shell command:</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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