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I'd like a power saving tool similar to Jupiter but without all the mono dependencies.

Does it exist?

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marked as duplicate by Mitch, Raja, Jorge Castro, Uri Herrera, Nathan Osman May 19 '13 at 23:11

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Not as powerful as Jupiter, but you can set at least cpu frequency using this tool:

sudo add-apt-repository ppa:artfwo/ppa
sudo apt-get update
sudo apt-get install indicator-cpufreq
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Jupiter for 10.10/11.04/11.10 & 12.04

Jupiter has recently been updated to be non-mono dependent. It has been rewritten with Python.

enter image description here

(image from webupd8)

to install

sudo add-apt-repository ppa:webupd8team/jupiter
sudo apt-get update
sudo apt-get install jupiter
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He wanted something like Jupiter without being Jupiter ;). – Braiam Mar 3 '14 at 3:19
... he wanted jupiter without mono dependencies ... hence the answer :) – fossfreedom Mar 3 '14 at 7:46
up vote 2 down vote accepted

Here is what I'm using -

ry@ryan-laptop:~$ aptitude show laptop-mode-tools

Package: laptop-mode-tools

New: yes

State: installed

Automatically installed: no

Version: 1.57-1ubuntu1

Priority: optional

Section: universe/utils

Maintainer: Ubuntu Developers

Uncompressed Size: 582 k

Depends: lsb-base (>= 3.0-10), util-linux (>= 2.13), psmisc

Recommends: acpid | apmd | pbbuttonsd | pmud, hdparm, sdparm, hal, ethtool, net-tools, wireless-tools, udev

Conflicts: noflushd, noflushd, laptop-mode-tools

Description: Tools for Power Savings based on battery/AC status Laptop mode is a Linux kernel feature that allows your laptop to save considerable power, by allowing the hard drive to spin down for longer periods of time. This package contains the userland scripts that are needed to enable laptop mode. It includes support for automatically enabling laptop mode when the computer is working on batteries. It also supports various other power management features, such as starting and stopping daemons depending on power mode, automatically hibernating if battery levels are too low, and adjusting terminal blanking and X11 screen blanking
laptop-mode-tools uses the Linux kernel's Laptop Mode feature and thus is also used on Desktops and Servers to conserve power Homepage:

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You can try Granola.

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