229 lines
8.9 KiB
XML
229 lines
8.9 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
|
|
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
|
|
|
|
<!--
|
|
This file is part of systemd.
|
|
|
|
Copyright 2010 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/>.
|
|
-->
|
|
|
|
<refentry id="systemd-detect-virt"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
|
|
<refentryinfo>
|
|
<title>systemd-detect-virt</title>
|
|
<productname>systemd</productname>
|
|
|
|
<authorgroup>
|
|
<author>
|
|
<contrib>Developer</contrib>
|
|
<firstname>Lennart</firstname>
|
|
<surname>Poettering</surname>
|
|
<email>lennart@poettering.net</email>
|
|
</author>
|
|
</authorgroup>
|
|
</refentryinfo>
|
|
|
|
<refmeta>
|
|
<refentrytitle>systemd-detect-virt</refentrytitle>
|
|
<manvolnum>1</manvolnum>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>systemd-detect-virt</refname>
|
|
<refpurpose>Detect execution in a virtualized environment</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<cmdsynopsis>
|
|
<command>systemd-detect-virt <arg choice="opt" rep="repeat">OPTIONS</arg></command>
|
|
</cmdsynopsis>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para><command>systemd-detect-virt</command> detects
|
|
execution in a virtualized environment. It identifies
|
|
the virtualization technology and can distinguish full
|
|
VM virtualization from container
|
|
virtualization.</para>
|
|
|
|
<para>When executed without <option>--quiet</option>
|
|
will print a short identifier for the detected
|
|
virtualization technology. The following technologies
|
|
are currently identified:</para>
|
|
|
|
<table>
|
|
<title>Known VM virtualization technologies</title>
|
|
<tgroup cols='2' align='left' colsep='1' rowsep='1'>
|
|
<colspec colname="id" />
|
|
<colspec colname="product" />
|
|
<thead>
|
|
<row>
|
|
<entry>ID</entry>
|
|
<entry>VM Product</entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry><varname>qemu</varname></entry>
|
|
<entry>QEMU software virtualization</entry>
|
|
</row>
|
|
<row>
|
|
<entry><varname>kvm</varname></entry>
|
|
<entry>Linux KVM kernel virtual machine</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>vmware</varname></entry>
|
|
<entry>VMware Workstation or Server, and related products</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>microsoft</varname></entry>
|
|
<entry>Hyper-V, also known as Viridian or Windows Server Virtualization</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>oracle</varname></entry>
|
|
<entry>Oracle VM VirtualBox (historically marketed by innotek and Sun Microsystems)</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>xen</varname></entry>
|
|
<entry>Xen hypervisor</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>bochs</varname></entry>
|
|
<entry>Bochs Emulator</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>uml</varname></entry>
|
|
<entry>User-mode Linux</entry>
|
|
</row>
|
|
|
|
</tbody>
|
|
</tgroup>
|
|
</table>
|
|
|
|
<table>
|
|
<title>Known container virtualization technologies</title>
|
|
<tgroup cols='2' align='left' colsep='1' rowsep='1'>
|
|
<colspec colname="id" />
|
|
<colspec colname="product" />
|
|
<thead>
|
|
<row>
|
|
<entry>ID</entry>
|
|
<entry>Container Product</entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry><varname>openvz</varname></entry>
|
|
<entry>OpenVZ/Virtuozzo</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>lxc</varname></entry>
|
|
<entry>Linux container implementation by LXC</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>lxc-libvirt</varname></entry>
|
|
<entry>Linux container implementation by libvirt</entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>systemd-nspawn</varname></entry>
|
|
<entry>systemd's minimal container implementation, see <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry></entry>
|
|
</row>
|
|
|
|
<row>
|
|
<entry><varname>docker</varname></entry>
|
|
<entry>Docker container manager</entry>
|
|
</row>
|
|
</tbody>
|
|
</tgroup>
|
|
</table>
|
|
|
|
<para>If multiple virtualization solutions are used,
|
|
only the "innermost" is detected and identified. That
|
|
means if both VM virtualization and container
|
|
virtualization are used in conjunction, only the latter
|
|
will be identified (unless <option>--vm</option> is
|
|
passed).</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Options</title>
|
|
|
|
<para>The following options are understood:</para>
|
|
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><option>-c</option></term>
|
|
<term><option>--container</option></term>
|
|
|
|
<listitem><para>Only detects container
|
|
virtualization (i.e. shared kernel
|
|
virtualization).</para></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><option>-v</option></term>
|
|
<term><option>--vm</option></term>
|
|
|
|
<listitem><para>Only detects VM
|
|
virtualization (i.e. full hardware
|
|
virtualization).</para></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><option>-q</option></term>
|
|
<term><option>--quiet</option></term>
|
|
|
|
<listitem><para>Suppress output of the
|
|
virtualization technology
|
|
identifier.</para></listitem>
|
|
</varlistentry>
|
|
|
|
<xi:include href="standard-options.xml" xpointer="help" />
|
|
<xi:include href="standard-options.xml" xpointer="version" />
|
|
</variablelist>
|
|
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Exit status</title>
|
|
|
|
<para>If a virtualization technology is detected, 0 is
|
|
returned, a non-zero code otherwise.</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>
|
|
</para>
|
|
</refsect1>
|
|
|
|
</refentry>
|