-<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<?xml version='1.0'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
<!ENTITY % entities SYSTEM "custom-entities.ent" >
%entities;
]>
-
-<!--
- This file is part of systemd.
-
- Copyright 2015 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="systemd.nspawn">
<refentryinfo>
<title>systemd.nspawn</title>
<productname>systemd</productname>
-
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Lennart</firstname>
- <surname>Poettering</surname>
- <email>lennart@poettering.net</email>
- </author>
- </authorgroup>
</refentryinfo>
<refmeta>
<para>Settings files may include an <literal>[Exec]</literal>
section, which carries various execution parameters:</para>
- <variablelist>
+ <variablelist class='nspawn-directives'>
<varlistentry>
<term><varname>Boot=</varname></term>
<filename>systemd-nspawn@.service</filename> template unit file is used.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>Ephemeral=</varname></term>
+
+ <listitem><para>Takes a boolean argument, which defaults to off, If enabled, the container is run with
+ a temporary snapshot of its file system that is removed immediately when the container terminates.
+ This is equivalent to the <option>--ephemeral</option> command line switch. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for details
+ about the specific options supported.</para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>ProcessTwo=</varname></term>
all cases.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>NoNewPrivileges=</varname></term>
+
+ <listitem><para>Takes a boolean argument that controls the <constant>PR_SET_NO_NEW_PRIVS</constant> flag for
+ the container payload. This is equivalent to the
+ <option>--no-new-privileges=</option> command line switch. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>KillSignal=</varname></term>
<term><varname>NotifyReady=</varname></term>
<listitem><para>Configures support for notifications from the container's init process. This is equivalent to
- the <option>--notify-ready=</option> command line switch, and takes the same paramaters. See
+ the <option>--notify-ready=</option> command line switch, and takes the same parameters. See
<citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for details
about the specific options supported.</para></listitem>
</varlistentry>
details.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>LimitCPU=</varname></term>
+ <term><varname>LimitFSIZE=</varname></term>
+ <term><varname>LimitDATA=</varname></term>
+ <term><varname>LimitSTACK=</varname></term>
+ <term><varname>LimitCORE=</varname></term>
+ <term><varname>LimitRSS=</varname></term>
+ <term><varname>LimitNOFILE=</varname></term>
+ <term><varname>LimitAS=</varname></term>
+ <term><varname>LimitNPROC=</varname></term>
+ <term><varname>LimitMEMLOCK=</varname></term>
+ <term><varname>LimitLOCKS=</varname></term>
+ <term><varname>LimitSIGPENDING=</varname></term>
+ <term><varname>LimitMSGQUEUE=</varname></term>
+ <term><varname>LimitNICE=</varname></term>
+ <term><varname>LimitRTPRIO=</varname></term>
+ <term><varname>LimitRTTIME=</varname></term>
+
+ <listitem><para>Configures various types of resource limits applied to containers. This is equivalent to the
+ <option>--rlimit=</option> command line switch, and takes the same arguments. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>OOMScoreAdjust=</varname></term>
+
+ <listitem><para>Configures the OOM score adjustment value. This is equivalent to the
+ <option>--oom-score-adjust=</option> command line switch, and takes the same argument. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>CPUAffinity=</varname></term>
+
+ <listitem><para>Configures the CPU affinity. This is equivalent to the <option>--cpu-affinity=</option> command
+ line switch, and takes the same argument. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>Hostname=</varname></term>
+
+ <listitem><para>Configures the kernel hostname set for the container. This is equivalent to the
+ <option>--hostname=</option> command line switch, and takes the same argument. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>ResolvConf=</varname></term>
+
+ <listitem><para>Configures how <filename>/etc/resolv.conf</filename> in the container shall be handled. This is
+ equivalent to the <option>--resolv-conf=</option> command line switch, and takes the same argument. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>Timezone=</varname></term>
+
+ <listitem><para>Configures how <filename>/etc/localtime</filename> in the container shall be handled. This is
+ equivalent to the <option>--timezone=</option> command line switch, and takes the same argument. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>LinkJournal=</varname></term>
+
+ <listitem><para>Configures how to link host and container journal setups. This is equivalent to the
+ <option>--link-journal=</option> command line switch, and takes the same parameter. See
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for
+ details.</para></listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>
section, which carries various parameters configuring the file
system of the container:</para>
- <variablelist>
+ <variablelist class='nspawn-directives'>
<varlistentry>
<term><varname>ReadOnly=</varname></term>
is privileged (see above).</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>Inaccessible=</varname></term>
+
+ <listitem><para>Masks the specified file or directly in the container, by over-mounting it with an empty file
+ node of the same type with the most restrictive access mode. Takes a file system path as argument. This option
+ may be used multiple times to mask multiple files or directories. This option is equivalent to the command line
+ switch <option>--inaccessible=</option>, see
+ <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry> for details
+ about the specific options supported. This setting is privileged (see above).</para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>Overlay=</varname></term>
<term><varname>OverlayReadOnly=</varname></term>
section, which carries various parameters configuring the network
connectivity of the container:</para>
- <variablelist>
+ <variablelist class='nspawn-directives'>
<varlistentry>
<term><varname>Private=</varname></term>
projects / thirdparty / systemd.git / blobdiff