What’s the equivalent of qvm-prefs for setting properties for multiple domUs?
As far as I know, there isn’t any built-in tool to apply QVM prefs to more than one qube at a time. Unless I’m wrong you’ll have to script that yourself.
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Perhaps something like this would work
That would only work for the property or feature which is available via qubes-prefs. Not all of them are available. For the unavailable ones, you could use an ugly hack. Something like:
for vm in $(qvm-ls --raw-list);do qvm-prefs $vm PREFERENCE VALUE;done
If you are lucky and you have the latest qvm-ls, it has some filtering options (e.g. --class option).