MicroMiser – Power Saving Software for Ubuntu Laptops/Desktops/Servers

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MiserWare MicroMiser is an intelligent software power management solution for x86 servers, laptops, and PCs running Linux. MicroMiser automatically optimizes a system to use energy more efficiently without compromising performance or availability. The MicroMiser Power Management Daemon (see below) when installed on a server, laptop, or PC, matches the energy consumed by the system to the load on the system automatically. MicroMiser typically lowers total system energy use by 10-35% even when a system is 100% utilized. MicroMiser also tracks the energy saved for use in estimating cost savings and carbon emission reductions.

MicroMiser Features

* MicroMiser performance impact is negligible.

* MicroMiser does not mess with your current OS kernel or any of its modules.

* MicroMiser plays nicely with other software.

* MicroMiser estimates your energy savings without the need for additional hardware.

* MicroMiser is easy to add and remove since it uses native Linux packages.

* Except for the energy savings, you’ll barely notice MicroMiser is there.

Install Micromiser in ubuntu

First you need to create miserware account from here to download the latest beta version

Ubuntu 9.10 Installation instructions (This may not work for everyone if you register  you might get new repository key)

Run the following commands from your terminal

1.  sudo apt-get install apt-transport-https

2. sudo mkdir -p /usr/share/miserware-repo

3. sudo su -c ‘echo 5CEF1A4236333078E1A57E952E14349F > /usr/share/miserware-repo/key'

4. Download and install this package.https://download.miserware.com/5CEF1A4236333078E1A57E952E14349F/linux/deb/ubuntu/karmic/miserware-repo-latest.deb

5. sudo apt-get update

Try this program and let us know if you see any difference

You can check FAQ on this from here

After installing you can check power savings using the following commands from your terminal

sudo grep Estimated\ energy /var/log/*

alternatively, to output it to a text file simply run the following (replace /path/to/filename.txt with your desired destination;

sudo grep Estimated\ energy /var/log/* > /path/to/filename.txt

Sample output

Jan 20 15:33:30 ubuntu micromiser[4519]: Estimated energy saved since MicroMiser start: 0.000007kWh (12.69%)
Jan 20 15:33:36 ubuntu micromiser[4519]: Estimated energy saved since MicroMiser start: 0.000017kWh (10.92%)
Jan 20 15:33:48 ubuntu micromiser[4519]: Estimated energy saved since MicroMiser start: 0.000055kWh (15.05%)
Jan 20 15:34:12 ubuntu micromiser[4519]: Estimated energy saved since MicroMiser start: 0.000177kWh (22.80%)
Jan 20 15:35:00 ubuntu micromiser[4519]: Estimated energy saved since MicroMiser start: 0.000347kWh (21.40%)

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25 Responses

  1. ergalion says:

    is it under a foss license?

  2. admin says:

    The MicroMiser personal edition is free for personal use only.

  3. peter wein says:

    Thanks, but what is the username/password for FAQ?

  4. admin says:


    You have to register to view FAQ

  5. mchlbk says:

    Very cool.

    I’m on a netbook with an Intel Atom N270 processor. Until now it reports ~35% saved.

    If the saving results in increased battery life MicroMiser could be a must-have app!

  6. LoneSt4r says:

    Wow! I only get a 13% improvement on my desktop, but I get a 59.96% improvement on my laptop! That’s great!!!

  7. Anthony says:

    this is what i am running into

    anthony@HP:~$ sudo su -c ‘echo 5CEF1A4236333078E1A57E952E14349F > /usr/share/miserware-repo/key’
    bash: /usr/share/miserware-repo/key’: Permission denied

    ideas anyone?

  8. dRewsus says:


    sudo su
    sudo -c echo 5CEF1A4236333078E1A57E952E14349F > /usr/share/miserware-repo/key

  9. Anthony says:

    Thanks for your help dRewsus

    after completing the instructions my output reads

    z /var/log/debug.3.gz /var/log/debug.4.gz /var/log/dist-upgrade /var/log/dmesg /var/log/dmesg.0 /var/log/dmesg.1.gz /var/log/dmesg.2.gz /var/log/dmesg.3.gz /var/log/dmesg.4.gz /var/log/dpkg.log /var/log/dpkg.log.1 /var/log/dpkg.log.2.gz /var/log/faillog /var/log/fontconfig.log /var/log/fsck /var/log/gdm /var/log/installer /var/log/jockey.log /var/log/jockey.log.1 /var/log/kern.log /var/log/kern.log.1 /var/log/kern.log.2.gz

    thats just a snippet of the total output, but it all looks similar. definately not what the sample output above looks like

    any idea?

    thanks in advance

  10. mchlbk says:


    After installing the repositories as detailed above try

    sudo apt-get install micromiser-beta

    Then give it a little time and

    sudo grep Estimated\ energy /var/log/*

    Maximize your terminal for better overview of the output.


  11. mchlbk says:


    By the way: In your posts above I can see you have used the repository key from the instructions in the article. You need to replace it with the key given to you on this page: https://secure.miserware.com/downloads/micromiser-beta.php

    Each user has his own repository key.

  12. daheepie says:

    can anyone confirm if this application actually saves on battery life for laptops, netbooks and such?

  13. mchlbk says:

    It reports a saving (mine currently reports 47.91%).

    A cool thing would be if someone could come up with a way to test if this is real.

    Substantial savings should result in increased battery life for laptops. I haven’t had the time to test this but if someone has please post your results.

  14. anthony says:

    thanks mchlbk

    followed the above suggestions and still get the same weird output

    the link to the beta you supplied didnt work though as it cant find the app


  15. frriction says:

    well anthony I am also getting output like u.
    I am using ubuntu 9.10 64bit

  16. Anthony says:

    Im running 9.10 32 bit.

  17. digi says:

    Are you sure there is no foss alternative to this? I would like to know what it does to save energy.

  18. roland says:

    @@frriction and anthony
    I’m getting the same output like you on 9.10 32bit as well.
    I got an email from frriction MicroMiser:

    “We’re pleased that you are interested in MicroMiser. First, verify that
    MicroMiser is up and running by issuing the following command in a terminal:

    ps -C micromiser

    If MicroMiser is not running, there will be no log of energy savings from the
    software. If it appears that MicroMiser is indeed running, then the following
    command should enable you to see your logged energy savings:

    sudo grep Estimated\ energy /var/log/* | grep -v auth

    The addition of the “| grep -v auth” part should remove the gibberish you were
    seeing from your auth.log file.”

  19. roland says:

    I solved it. Just go to the Synaptic Package Manager: search for micromiser-beta then install it. After verify that
    MicroMiser is up and running by issuing the following command in a terminal:

    wst@wst-laptop:~$ ps -C micromiser
    2812 ? 00:00:00 micromiser

    have fun!

  20. icke says:

    would like to see a foss-version too

  21. ergalion says:


    The MicroMiser personal edition is free for personal use only.
    can i have the source code for personal use?

  22. Jose Trigueros says:

    I just installed this software on a fresh install of Ubuntu 9.10.
    I took my laptop to class prior to install MicroMiser and it barely made it through the lecture. Assuming that this software actually reduces power usage I will be able to make it past the lecture in better battery standing.

    This may not be an accurate test but that is all I can do to contribute.

    I installed the software by making an account and following the instructions because, like mentioned earlier, each user has a different key.

  23. Jose Trigueros says:

    I have not really found that this increases my battery life. Maybe someone else can do better tests, I’m just comparing to previous experiences.

  24. mchlbk says:

    I’ve uninstalled it. My battery life appeared to be the same as before.

  25. ToTom says:

    I have installed it. However, I cannot find its icon on my computer menu. How can I run it?

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