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-rw-r--r--man/systemd-detect-virt.xml37
1 files changed, 17 insertions, 20 deletions
diff --git a/man/systemd-detect-virt.xml b/man/systemd-detect-virt.xml
index eed0fe0ce9..d8e881cf2e 100644
--- a/man/systemd-detect-virt.xml
+++ b/man/systemd-detect-virt.xml
@@ -61,7 +61,14 @@
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
@@ -69,18 +76,23 @@
are currently identified:</para>
<table>
- <title>Known VM virtualization technologies (i.e. full hardware virtualization)</title>
- <tgroup cols='2' align='left' colsep='1' rowsep='1'>
+ <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>VM Product</entry>
+ <entry>Product</entry>
</row>
</thead>
<tbody>
<row>
+ <entry morerows="8">VM</entry>
<entry><varname>qemu</varname></entry>
<entry>QEMU software virtualization</entry>
</row>
@@ -125,23 +137,8 @@
<entry>User-mode Linux</entry>
</row>
- </tbody>
- </tgroup>
- </table>
-
- <table>
- <title>Known container virtualization technologies (i.e. shared kernel virtualization)</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 morerows="5">container</entry>
<entry><varname>openvz</varname></entry>
<entry>OpenVZ/Virtuozzo</entry>
</row>