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Solène Rapenne 2025-11-23 17:04:10 +01:00
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user/how-to-guides/how-to-install-software.rst
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@ -241,19 +241,23 @@ Both the old and new names work. The defaults listed above are applied if the se
Technical details
^^^^^^^^^^^^^^^^^
The updates proxy uses RPC/qrexec. The proxy is configured in qrexec policy in dom0: ``/etc/qubes-rpc/policy/qubes.UpdatesProxy``. By default this is set to sys-net and/or sys-whonix, depending on firstboot choices. This new design allows for templates to be updated even when they are not connected to any NetVM.
The updates proxy uses RPC/qrexec. The proxy is configured in qrexec policy in dom0: ``/etc/qubes/policy.d/90-default.policy``. By default this is set to sys-net and/or sys-whonix, depending on firstboot choices. This new design allows for templates to be updated even when they are not connected to any NetVM.
Example policy file in R4.1 (with Whonix installed, but not set as default UpdateVM for all templates):
Example policy file in R4.2 (with Whonix installed, but not set as default UpdateVM for all templates):
.. code:: text
# any VM with tag `whonix-updatevm` should use `sys-whonix`; this tag is added to `whonix-gw` and `whonix-ws` during installation and is preserved during template clone
@tag:whonix-updatevm @default allow,target=sys-whonix
@tag:whonix-updatevm @anyvm deny
# HTTP proxy for downloading updates
# Upgrade all TemplateVMs through sys-whonix.
#qubes.UpdatesProxy * @type:TemplateVM @default allow target=sys-whonix
# Upgrade Whonix TemplateVMs through sys-whonix.
qubes.UpdatesProxy * @tag:whonix-updatevm @default allow target=sys-whonix
# Deny Whonix TemplateVMs using UpdatesProxy of any other VM.
qubes.UpdatesProxy * @tag:whonix-updatevm @anyvm deny
# Default rule for all TemplateVMs - direct the connection to sys-net
qubes.UpdatesProxy * @type:TemplateVM @default allow target=sys-net
qubes.UpdatesProxy * @anyvm @anyvm deny
# other templates use sys-net
@type:TemplateVM @default allow,target=sys-net
@anyvm @anyvm deny
Installing Snap Packages
^^^^^^^^^^^^^^^^^^^^^^^^