Tagged Questions

PowerNap is a configurable daemon that will bring a running system to a lower power state according to a set of configuration preferences. It acts as a sort of "screensaver" for servers, watching the process table for activity rather than the keyboard or mouse.

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2
votes
2answers
339 views

Powernap daemon doesn't start with upstart

I have a problem with powernap daemon on kubuntu 13.04, which doesn't start with upstart (or with /etc/init.d/powernap start). On my other machine with ubuntu 12.04.2 LTS it starts ok. $ sudo service ...
2
votes
1answer
270 views

Getting powernap's IOMonitor to work with postgresql

I have a 12.04 box running postgresql 9.1.8-0ubuntu12.04, which serves a Java webapp (an Atlassian Confluence wiki). I'm trying to take advantage of powernap's IOMonitor feature. However, if I ...
2
votes
2answers
227 views

'Power Nap' in ubuntu as in macbooks

There is a 'power- nap' feature on new mackbooks which keeps all the activity going even when the lid is closed.(eg. downloading email,backing up,syncing) Is there any such feature on ubuntu?
3
votes
1answer
1k views

How to run a script after the system resumes from hibernate (suspent-to-disk)?

I have configured powernap to hibernate (i.e., suspend-to-disk) the machine if idle. In order to save additional power, I have configured my non-root, data disks to spin-down using the hdparm command. ...
9
votes
3answers
16k views

How to disable auto power off of usb devices like usb mouse?

I don't know how , but somehow automatic power-off of usb devices got accidently enabled. Now my usb mouse goes off even if it's idle for 2-3 seconds. it's really irritating. help?!!!!! P.S. This ...