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FreeBSD virtualbox guest clone
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clone
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zfs list -r `vboxmanage list systemproperties | grep folder | sed -e 's/^.* //'`

zfs create tank/vm/dog

vboxmanage clonevm cat --name dog --register

vboxmange modifyvm dog --memory 4096 --cpus 2 --vrdeport 5902


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control
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# start
vboxmanage startvm dog --type headless

# stop
vboxmanage controlvm dog acpipowerbutton

# power
vboxmanage controlvm dog poweroff

# kill
vboxmanage startvm dog --type emergencystop

# pause
vboxmanage controlvm dog pause

# resume
vboxmanage controlvm dog resume


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destroy
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vboxmanage unregistervm --delete dog

zfs destroy -r tank/vm/dog


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end
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