Do you periodically delete your app qubes and start fresh?
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No
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Hmm, why? For temporary or potentially dangerous content exists the concept of disposable qubes.
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I’m surprised. Every website is potentially dangerous as far as I can tell. Do you open new websites in a disposable and open trusted sites in a keeper?
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Yes, I always use disposable browsers except for things like banks that want to verify your machine every time you log in. And then I have a designated qube for that, which I do not delete periodically.
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Same 
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The only time I clean off old qubes is when I need to move them to another vm-pool, that’s done by cloning so I remove the source once the clone is done.
What I also do is keep a clean, untouched template for each vm type I use. I clone that to new for each application then base appvm off the clone,
So start with
debian-12-xfce clones to:
- z-debian-12-chrome
- z-debian-12-firefox
- z-debian-brave
- z-debian-12-youtube
whonix-workstation-17 clones to:
- z-whonix-tor
- z-whonix-telegram
- z-whonix-signal
So each browser template z-* will have the browser settings configured
Remove all search bar DuckDuckGo
Block pop-ups etc
Set security to Strict/Safest as appropriate
Each messaging template will have the app installed, ready for connection.
Then I can create disposable appvm’s based on these z-* templates and leave the original with no new software at all. Add the browsers to favorites and it starts a new dispvm every time I want a browser, or a messenger. I like doing this because when I close a browser, it turns off the appvm, unlike work/personal etc where the appvm continues to user resource until you shut it down.
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No, I periodically reinstall Qubes OS instead.
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haha - yes, that too
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I almost never use disposable qubes. I always do the extra work of making and delting appvms. To this day i dont know why i am not using disps.
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