>Can the host send a signal to the init's container? If yes, sysvinit
>responds to SIGINT. Does upstart behave the same (e.g. process
>control-alt-delete.conf when the signal is received)? It's set to
>reboot by default, but perhaps there's some other signal than we can
>use for shutdown?
SysVInit responds to SIGINT -- normaly with a reboot action -- and to SIGPWR. I
add the line
pf:12345:powerwait:/sbin/halt
to the containers /etc/inittab file. In my lxc managing script I'm using this
to gracefully reboot or halt ("powerdown") containers by sending this signals
to the init of the container.
If someone is able to add something to the upstart or other corresponding
frameworks, I would suggest to use the same signals for compatibility.
Guido
------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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