X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd-detect-virt.xml;h=d8e881cf2e82f49ed6b41207b84713ce7255f29e;hp=bdf220eb28ce0df05123a8bf0ee0ff1d64ac4ff5;hb=e45fc5e738b0b7700e8b4f3c4b25c58a49b44b27;hpb=dfdebb1b925332352966804303b2516a6506a429

diff --git a/man/systemd-detect-virt.xml b/man/systemd-detect-virt.xml
index bdf220eb2..d8e881cf2 100644
--- a/man/systemd-detect-virt.xml
+++ b/man/systemd-detect-virt.xml
@@ -61,20 +61,110 @@
                 execution in a virtualized environment. It identifies
                 the virtualization technology and can distinguish full
                 VM virtualization from container
-                virtualization.</para>
+                virtualization. <filename>systemd-detect-virt</filename>
+                exits with a return value of 0 (success) if a
+                virtualization technology is detected, and non-zero
+                (error) otherwise. By default any type of
+                virtualization is detected, and the options
+                <option>--container</option> and <option>--vm</option>
+                can be used to limit what types of virtualization are
+                detected.</para>
 
                 <para>When executed without <option>--quiet</option>
                 will print a short identifier for the detected
                 virtualization technology. The following technologies
-                are currently identified: <varname>qemu</varname>,
-                <varname>kvm</varname>, <varname>vmware</varname>,
-                <varname>microsoft</varname>,
-                <varname>oracle</varname>, <varname>xen</varname>,
-                <varname>bochs</varname>, <varname>chroot</varname>,
-                <varname>uml</varname>,
-                <varname>openvz</varname>, <varname>lxc</varname>,
-                <varname>lxc-libvirt</varname>,
-                <varname>systemd-nspawn</varname>.</para>
+                are currently identified:</para>
+
+                <table>
+                  <title>Known virtualization technologies (both
+                  VM, i.e. full hardware virtualization,
+                  and container, i.e. shared kernel virtualization)</title>
+                  <tgroup cols='3' align='left' colsep='1' rowsep='1'>
+                    <colspec colname="type" />
+                    <colspec colname="id" />
+                    <colspec colname="product" />
+                    <thead>
+                      <row>
+                        <entry>Type</entry>
+                        <entry>ID</entry>
+                        <entry>Product</entry>
+                      </row>
+                    </thead>
+                    <tbody>
+                      <row>
+                        <entry morerows="8">VM</entry>
+                        <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>zvm</varname></entry>
+                        <entry>s390 z/VM</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 (only domU, not dom0)</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>
+
+                      <row>
+                        <entry morerows="5">container</entry>
+                        <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
@@ -133,7 +223,8 @@
         <refsect1>
                 <title>See Also</title>
                 <para>
-                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd-nspawn</refentrytitle><manvolnum>1</manvolnum></citerefentry>
                 </para>
         </refsect1>