241 lines
8.3 KiB
ReStructuredText
241 lines
8.3 KiB
ReStructuredText
.. program:: qvm-prefs
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:program:`qvm-prefs` -- List/set various per-VM properties
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==========================================================
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Synopsis
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--------
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:command:`qvm-prefs` qvm-prefs [-h] [--xml *XMLFILE*] [--verbose] [--quiet] [--force-root] [--help-properties] *VMNAME* [*PROPERTY* [*VALUE*\|--delete]]
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Options
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-------
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.. option:: --help, -h
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Show help message and exit.
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.. option:: --help-properties
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List available properties with short descriptions and exit.
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.. option:: --xml=XMLFILE
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Qubes OS store file.
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.. option:: --verbose, -v
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Increase verbosity.
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.. option:: --quiet, -q
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Decrease verbosity.
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.. option:: --force-root
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Force to run as root.
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.. option:: --unset, --default, --delete, -D
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Unset the property. If is has default value, it will be used instead.
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Common properties
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=================
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This list is non-exhaustive. For authoritative listing, see
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:option:`--help-properties` and documentation of the source code.
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.. warning::
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This list is from the core2. It is wrong in many cases, some of them obvious,
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some of them not.
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include_in_backups
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Accepted values: ``True``, ``False``
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Control whenever this VM will be included in backups by default (for now
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works only in qubes-manager). You can always manually select or deselect
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any VM for backup.
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pcidevs
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PCI devices assigned to the VM. Should be edited using
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:manpage:`qvm-pci(1)` tool.
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pci_strictreset
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Accepted values: ``True``, ``False``
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Control whether prevent assigning to VM a device which does not support any
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reset method. Generally such devices should not be assigned to any VM,
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because there will be no way to reset device state after VM shutdown, so
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the device could attack next VM to which it will be assigned. But in some
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cases it could make sense - for example when the VM to which it is assigned
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is trusted one, or is running all the time.
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label
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Accepted values: ``red``, ``orange``, ``yellow``, ``green``, ``gray``,
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``blue``, ``purple``, ``black``
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Color of VM label (icon, appmenus, windows border). If VM is running,
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change will be applied at first VM restart.
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netvm
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Accepted values: netvm name, ``default``, ``none``
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To which NetVM connect. Setting to ``default`` will follow system-global
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default NetVM (managed by qubes-prefs). Setting to ``none`` will disable
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networking in this VM.
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.. note::
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When setting to ``none``, firewall will be set to block all traffic -
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it will be used by DispVM started from this VM. Setting back to some
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NetVM will *NOT* restore previous firewall settings.
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dispvm_netvm
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Accepted values: netvm name, ``default``, ``none``
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Which NetVM should be used for Disposable VMs started by this one. ``default`` is to use the same NetVM as the VM itself.
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maxmem
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Accepted values: memory size in MB
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Maximum memory size available for this VM. Dynamic memory management (aka
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qmemman) will not be able to balloon over this limit. For VMs with qmemman
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disabled, this will be overridden by *memory* property (at VM startup).
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memory
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Accepted values: memory size in MB
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Initial memory size for VM. This should be large enough to allow VM startup
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- before qmemman starts managing memory for this VM. For VM with qmemman
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disabled, this is static memory size.
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kernel
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Accepted values: kernel version, ``default``, ``none``
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Kernel version to use (only for PV VMs). Available kernel versions will be
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listed when no value given (there are in
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:file:`/var/lib/qubes/vm-kernels`). Setting to ``default`` will follow
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system-global default kernel (managed via qubes-prefs). Setting to ``none``
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will use "kernels" subdir in VM directory - this allows having VM-specific
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kernel; also this the only case when :file:`/lib/modules` is writable from
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within VM.
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template
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Accepted values: TemplateVM name
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TemplateVM on which VM base. It can be changed only when VM isn't running.
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vcpus
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Accepted values: no of CPUs
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Number of CPU (cores) available to VM. Some VM types (eg DispVM) will not
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work properly with more than one CPU.
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kernelopts
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Accepted values: string, ``default``
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VM kernel parameters (available only for PV VMs). This can be used to
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workaround some hardware specific problems (eg for NetVM). Setting to
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``default`` will use some reasonable defaults (currently different for VMs
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with PCI devices and without). Some helpful options (for debugging
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purposes): ``earlyprintk=xen``, ``init=/bin/bash``
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name
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Accepted values: alphanumerical name
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Name of the VM. Can be only changed when VM isn't running.
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drive
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Accepted values: [hd:\|cdrom:][backend-vm:]\ *path*
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Additional drive for the VM (available only for HVMs). This can be used to
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attach installation image. ``path`` can be file or physical device (eg.
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:file:`/dev/sr0`). The same syntax can be used in :option:`qvm-start
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--drive` - to attach drive only temporarily.
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mac
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Accepted values: MAC address, ``auto``
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Can be used to force specific of virtual ethernet card in the VM. Setting
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to ``auto`` will use automatic-generated MAC - based on VM id. Especially
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useful when some licencing depending on static MAC address.
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For template-based HVM ``auto`` mode means to clone template MAC.
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default_user
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Accepted values: username
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Default user used by :manpage:`qvm-run(1)`. Note that it make sense only on
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non-standard template, as the standard one always have "user" account.
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debug
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Accepted values: ``on``, ``off``
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Enables debug mode for VM. This can be used to turn on/off verbose logging
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in many qubes components at once (gui virtualization, VM kernel, some other
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services).
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For template-based HVM, enabling debug mode also disables automatic reset
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:file:`root.img` (actually :file:`volatile.img`) before each VM startup, so
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changes made to root filesystem stays intact. To force reset
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:file:`root.img` when debug mode enabled, either change something in the
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template (simple start+stop will do, even touch its root.img is enough), or
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remove VM's :file:`volatile.img` (check the path with
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:manpage:`qvm-prefs(1)`).
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qrexec_installed
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Accepted values: ``True``, ``False``
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This HVM have qrexec agent installed. When VM have qrexec agent installed,
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one can use qvm-run to start VM process, VM will benefit from Qubes RPC
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services (like file copy, or inter-vm clipboard). This option will be
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automatically turned on during Qubes Windows Tools installation, but if you
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install qrexec agent in some other OS, you need to turn this option on
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manually.
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guiagent_installed
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Accepted values: ``True``, ``False``
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This HVM have gui agent installed. This option disables full screen GUI
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virtualization and enables per-window seamless GUI mode. This option will
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be automatically turned on during Qubes Windows Tools installation, but if
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you install qubes gui agent in some other OS, you need to turn this option
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on manually. You can turn this option off to troubleshoot some early HVM OS
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boot problems (enter safe mode etc), but the option will be automatically
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enabled at first VM normal startup (and will take effect from the next
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startup).
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.. note::
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when Windows GUI agent is installed in the VM, SVGA device (used to
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full screen video) is disabled, so even if you disable this option, you
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will not get functional full desktop access (on normal VM startup). Use
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some other means for that (VNC, RDP or so).
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autostart
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Accepted values: ``True``, ``False``
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Start the VM during system startup. The default netvm is autostarted
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regardless of this setting.
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timezone
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Accepted values: ``localtime``, time offset in seconds
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Set emulated HVM clock timezone. Use ``localtime`` (the default) to use the
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same time as dom0 have. Note that HVM will get only clock value, not the
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timezone itself, so if you use ``localtime`` setting, OS inside of HVM
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should also be configured to treat hardware clock as local time (and have
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proper timezone set).
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Authors
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-------
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| Joanna Rutkowska <joanna at invisiblethingslab dot com>
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| Rafal Wojtczuk <rafal at invisiblethingslab dot com>
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| Marek Marczykowski <marmarek at invisiblethingslab dot com>
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| Wojtek Porczyk <woju at invisiblethingslab dot com>
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.. vim: ts=3 sw=3 et tw=80
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