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Power Saving in Ubuntu ( Linux )

I installed the PowerTop application in Ubuntu 11.04 and according to it, npviewer.bin is consuming more power than other processes. What is npviewer.bin? Why does it take most of the computer's ...
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718 views

Load balancing tick

After Ubuntu upgrade (some time ago, from rather ancient version), my Lenovo S10 netbook fan does not stop. $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: ...
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How do I disable devices to conserve power?

I run ArchLinux on a Lenovo G series and downloaded powertop and it says that USB bluetooth and "USB device: Lenovo EasyCamera" are drawing a lot of power. While it advised I implement these rule: ...
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Powertop wrong values

I was wondering why power est gives 0mW for all the processes that are running in my laptop. Even though some of them needs a lot of computation. Here is a screenshot of the output of powertop, thank ...
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How to reduce number of wakeups/seconds due to timers?

I'm trying to reduce power consumption on one of my server. The machine is idle a lot of the time. I have monitored the number of wakeups/seconds with powertop and I see something strange: Summary: ...
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518 views

Can't set Qualcomm Atheros AR9485 card power on laptop under Linux

I've been trying to set the power management on my wireless card. I looked at PowerTOP and I tried setting power management on the wireless card, but it doesn't work. When I tried using the command ...