Auto startup/shutdown virtualbox and the machine running in it ?

i am trying to use the phpvirtualbox to control the running of the virtualbox. although i am still using the rc.conf start the phpvirtualbox, i saw there was a way to start it up by  systemd. the question is, in order to start phpvirtualbox, you need to start the a virtualbox first (am i right ?), but how. also, when i want to shutdown the server, i have to stop the phpvirtualbox, the vm (which is xp in my case) inside the virtualbox and then the virtualbox, but how ?

Robert Kempner wrote:
Do I need to have "Time Machine" running in the background all the time ...
It is how it is designed to be used. How Time Machine Works its Magic
Robert Kempner wrote:
... can I turn it off and on say, once a week?
Why..?
Perhaps TM is not for you... See Time Machine vs. Clones and Archives
More Info here >  http://www.reedcorner.net/guides/backups/ch2.php

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