This command is used to change global settings which affect the entire Oracle VM VirtualBox installation. Some of these correspond to the settings in the Global Settings dialog in the graphical user interface. The following properties are available:
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machinefolder Specifies the default folder in which virtual machine definitions are kept. See Where Oracle VM VirtualBox Stores its Files.
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hwvirtexclusive Specifies whether Oracle VM VirtualBox will make exclusive use of the hardware virtualization extensions (Intel VT-x or AMD-V) of the host system's processor. See Hardware vs. Software Virtualization. If you wish to share these extensions with other hypervisors running at the same time, you must disable this setting. Doing so has negative performance implications.
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vrdeauthlibrary Specifies which library to use when external authentication has been selected for a particular virtual machine. See RDP Authentication.
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websrvauthlibrary Specifies which library the web service uses to authenticate users. For details about the Oracle VM VirtualBox web service, see the Oracle VM VirtualBox SDK reference, Oracle VM VirtualBox Programming Interfaces.
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vrdeextpack Specifies which library implements the VirtualBox Remote Desktop Extension.
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loghistorycount Selects how many rotated VM logs are retained.
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autostartdbpath Selects the path to the autostart database. See Starting Virtual Machines During System Boot.
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defaultfrontend Selects the global default VM frontend setting. See Section 7.12, “VBoxManage startvm”.
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logginglevel Configures the VBoxSVC release logging details. See http://www.virtualbox.org/wiki/VBoxLogging.
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proxymode Configures the mode for an HTTP proxy server.
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proxyurl Configures the URL for an HTTP proxy server. Used when a manual proxy is configured using the
manualsetting of theproxymodeproperty.