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graphical interface for changing the name also contains an extra description line, that
may be used to add a single line of text.
When using the Xen configuration files in /etc/xen/vm, the syntax for setting the
description looks like this:
description="Responsible: tux@example.com"
It is also possible to change the SXP configuration to add or change the description as
described in Section 5.3, "Configuring a Virtual Machine by Modifying its Xend Set-
tings" (page 37). The description is added directly below the domain element and
looks like this:
(domain
...
(description 'Responsible: tux@example.com')
...
To retrieve the description of a specific VM Guest, for example, a guest with the name
alice, run the command:
xm list -l alice | grep description
9.7 Providing Host Information for
In a standard Xen environment, the VM Guest systems have only very limited informa-
tion about the VM Host Server system they are running on. If a guest should know
more about the VM Host Server it runs on, vhostmd can provide more information
to selected guests. To set up your system to run vhostmd, proceed as follows:
1 Install the package vhostmd on the VM Host Server.
2 Edit the file /etc/vhostmd/vhostmd.conf if you want to add or remove
3 Check the validity of the vhostmd.conf configuration file with the command:
88
Virtualization with Xen
VM Guest Systems
metric sections from the configuration. However, the default works well.
cd /etc/vhostmd
xmllint --postvalid --noout vhostmd.conf
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