How can I tell if a virtual machine is up from the command line?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Puzzle Meditation

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Chapters
00:00 Question
00:20 Accepted answer (Score 28)
00:42 Answer 2 (Score 19)
01:10 Answer 3 (Score 13)
01:36 Answer 4 (Score 1)
02:28 Thank you

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Full question
https://superuser.com/questions/622024/h...

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Tags
#virtualbox

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