Open all links in specific app qube

[apparatus]

Follow this guide:

Opening URLs/files in other Qubes

Note: there is an ongoing pull request to add most of the content of this document to the official Qubes OS documentation. This page is about opening URLs and files from one qube in a different qube. The most straightforward way to do this is simply to copy and paste URLs or copy and move files from the source qube to the target qube, then manually open them in the target qube. However, some users might wish to use RPC policies in order to regiment their workflows and safeguard themselves from…

In mybrowser.desktop set Exec to:

Exec=/usr/bin/qvm-open-in-vm -- @default %u

And the policy in dom0 to:

qubes.OpenURL	*	@anyvm	@default	allow target=Browser

But you you can specify the qube name as well without using @default:

Exec=/usr/bin/qvm-open-in-vm -- Browser %u

And:

qubes.OpenURL	*	@anyvm	Browser	allow