Killing application / window from dom0

Hi all!

I was wondering if there’s a way to kill an application from dom0? I have an application running that I can’t locate from my AppVM (I tried top and psgrep but I can’t find the process the application belongs to). Help in killing it from the AppVM is also appreciated!
However, I thought it should be possible/easier to force close this window from dom0 given this is the most privileged domain. If anyone knows how I should do this, I would love to hear it.

Have yourselves some happy holidays!


I’m not sure if it’s the “right” way, but I recall having used xkill from dom0 to kill an unwanted AppVM’s window with apparent success. I was skeptical that it would work as it would on a conventional Linux system, but I vaguely recall that it had the desired effect at the time. Just one idea to consider and perhaps research further.

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In KDE I have a shortcut mapped to Close Window - meta+Q - I guess
there’s an equivalent in Xfce - there is, Alt+F4
This should close the window and in most cases, kill the application.

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