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.
Questions tagged [powernap]
7 questions
38
votes
3 answers
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 accidentally enabled. Now my usb mouse goes off even if it's idle for 2-3 seconds. It's really irritating.
This happened after I installed powertop and powernap. Maybe it has…
rrj
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4
votes
1 answer
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. Unfortunately, this setting gets lost after…
siretart
- 63
2
votes
2 answers
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 powernap start
powernap stop/pre-start, process…
LPCs
- 21
2
votes
1 answer
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 uncomment the corresponding line in…
sxc731
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2
votes
2 answers
'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?
BGovind
- 47
0
votes
1 answer
Powernap fails to start
I want to shut down or suspend my little home server after a while and wake it when a magic packet comes so I've installed powernap to suspend my server. But when trying to start powernap service with sudo service powernap start it gives me an…
Ax34
- 1
0
votes
1 answer
Powernap doesn't work in Ubuntu 18.04, status: Active(exited)
I've been unable to get Powernap to work in Ubuntu 18.04. I've stopped and started it several times with systemctl stop powernap and systemctl start powernap Following is the output of systemctl status powernap:
powernap.service - PowerNap
…
Macfast
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