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Gain more battery life from your Linux-based laptop with powertop

Sep 01, 2009, 23:05 (0 Talkback[s])
(Other stories by Jonathan Corbet)

"Some of the biggest issues are: Hard drive spin-downs, interrupts, and power management. Figuring out how to make these adjustments to your kernel (or subsystems) to gain a bit of extra battery life would take more time googling than you would probably prefer. Fortunately there is a single application available to take care of this for you. Powertop is one of those tools every user of Linux on a laptop should have installed – especially if your laptop depends primarily on its battery for life.

"Powertop was created by Lesswatts.org with the sole purpose of helping users find those programs and/or systems that are using too much power. The end result? More battery life for you to enjoy. Power top is easy to install and use. Powertop is a curses-based application so it is run inside of a terminal very much like the Top application. Don’t expect a fancy GUI here, it’s text-based but still user-friendly. In this article you will find out how to install Powertop and use it to get the most out of your battery."

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