need to run a shutdown script

Todd and Margo Chester ToddAndMargo at
Fri Jul 31 21:18:51 CEST 2009

Brian J. Tarricone wrote:
> On 07/31/2009 04:20 AM, Chris G wrote:
>> On Thu, Jul 30, 2009 at 02:58:43PM -0700, Brian J. Tarricone wrote:
>>> On 07/29/2009 03:51 PM, toddandmargo at wrote:
>>>> okay.  I give up.  I have searched and searched.  I need to run a
>>>> shutdown script to turn off all my virtual machines before xfce 4.4.2
>>>> starts its shutdown sequence.   I will provide the script.  I just need
>>>> the directions as to where to put the script.  How does one configure a
>>>> shutdown script?
>>> We don't provide shutdown hooks.  You can hack up your xinitrc as Chris
>>> G suggested, but that's not guaranteed to work forever.
>>> The "correct" way is for your VM GUI to support session management, and
>>> then when you log out, it will be given a chance to clean up its
>>> state[1].
>> Would it really *wait* for an application to "clean up its state",
>> i.e. wait for it to close down properly.  It can take quite a long
>> time, i.e. several seconds or even tens of seconds for a virtual
>> machine to shut down.
> Possibly.  Depends on how long the SM waits before deciding the app is 
> taking too much time (and thinks it's either broken or has hung).  I 
> don't recall how long it waits now... it actually might not have a 
> timeout, since apps are allowed to interact with the user during that 
> phase of logout, so you really can't put a time limit on it.
> But regardless, all this requires explicit support from the application.
>     -brian

Hi Brian,

   The shutdown command from VBox exits immediately after it is issued.
So, in my script, I will have to loop (with a max time out) on the
VM's status.

   How about XFce waiting until my script exits, to continue the
shutdown/logout sequence?


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