On 7/4/2015 1:07 PM, John R Pierce wrote: > On 7/4/2015 12:28 AM, Jatin Davey wrote: >>> >> My server supports ACPI 4.0 standard , Will that be helpful ? > > does `init 0` as a root command cause it to gracefully shut down and > power off ? thats all the ACPI support you need. [Jatin] Yes, init 0 does gracefully shutdown the server and power off. > > > what brand/model UPS (battery backup) do you have ? [Jatin] I am still reading through the documentation of my server to find out the battery backup in it. Is there any command within the OS that i can use to find out this information ? > the UPS software, apcupsd and/or NUT, needs to listen to the UPS to > tell it when the power has failed, then it can tell your OS to > shutdown after a suitable delay (if your UPS is good for 30 minutes, > you might not want to shut down until the power has failed for 15 > minutes, so brief outages don't cause a shutdown) > > >