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- Content .- Fans  .- Knowledge Base  . 



KDE System Tool

Score 82%



Link:  Link
Minimum required   KDE 3.5.x
Downloads:  36246
Submitted:  Sep 19 2005
Updated:  Oct 29 2007


KPowersave is the KDE frontend for powermanagement. It provides battery monitoring, suspend/ standby triggers and many more powermanagement features for KDE (and GNOME).

Current feature list:
- support ACPI, APM (and PMU since 0.7.x)
- trigger suspend to disk/ram and standby
- switch cpu frequency policy (between: performance, dynamic and powersave)
- applet icon/tooltip with info about AC state, and battery fill/(warning) states, remainig time
- scheme specific settings (see below)
- autosuspend (to suspend if a user was a defined time inactive)
- autodimm
- a global and scheme specific configurable blacklist with programmes to prevent autosuspend/autodimm (e.g. videoplayer and cd burning tools)
- trigger lock screen on lidclose ans suspend and select the lock methode
- define battery warning levels and related actions if a level reached
- actions for special button events (power/lid/suspend/sleep buttons)
- define AC/Battery default scheme
- KNotify support for many events
- online help and localisations

- KPowersave support schemes with following configurable specific settings for:
* screensaver/DPMS
* brightness (if supported by hardware)
* autosuspend/autodimm
* scheme specific blacklist for autosuspend/autodimm
* CPU Frequency Policy

- KPowersave contains a detailed dialog (on left mouse button on the applet icon) with all PM relavant info

To run KPowersave you need currently:
- dbus/dbus-qt3 (http://www.freedesktop.org/Software/dbus)
- HAL >= 0.5.9 (http://www.freedesktop.org/Software/hal)

Additionaly you can use the powersave daemon to handle powermanagement if no user is logged in to the system (http://sourceforge.net/projects/powersave/).

For (additional) dependencies see the project homepage and documentation.

If you run KPowersave on KDE you can remove klaptop from your system. KPowersave was developed as a replacement.

KPowersave and powersave are (as we know) running on this distributions:
* SUSE Linux (defaultly, available RPMs are for 10.0, for 10.1/10.2/10.3 see related repositories (www.opensuse.org), for 9.2/9.3 see older version on sf.net available)
* ALTLinux: default
* K/Ubuntu: from universe repository
* Debian: available via 'apt-get install kpowersave'
* Fedora Core 6/7/8 (sf.net)
* Mandriva 2007/2008(sf.net)
* Gentoo (ebuilds see download link)
* Arch Linux
* Slackware (http://www.mytux.org/content/viewslackpackage.php)
* (Simply)Mephis (since 6.0 default)
* FOX Linux (default)
* RR/RR64 Linux (default)
* PLD Linux (devel tree)
* Aurox (devel tree)
* Pardus
Packages and porting information for other distributions would be appreciated.

To get always actual news about updates and new versions subscribe to new releases at the project homepage: http://freshmeat.net/projects/kpowersave

Copyright (C) by:
* Danny Kukawka (2004-2007)
* Thomas Renninger (2004)


For more information about current development see:



For current changelog and news see:

29. Oct. 2007
KPowersave 0.7.3:

Major changes since the last version/release:
- added new dialog to show logfiles if a suspend/resume fail and allow the user to save the log (need to get enabled per distro)
- added support to handle brightness key events if the machine not already handle this in the hardware directly
- added new feature named autodimm to reduce the brightness of the display if the user is inactive and dimm up if the user get active again
- new dialog shown up 30 seconds before
autosuspend call the suspend to warn the user and allow chancel the suspend
- added code to work with new PolicyKit/ConsoleKit/HAL combi to check if the user is privileged (for HAL >= 0.5.10 and related PolicyKit versions)
- added code to check if the current desktop session is avtive and handle if the session get inactive (via ConsoleKit)
- added code to release/aquire org.freedesktop.Policy.Power if the session get inactive/active to allow powersaved or other active KPowersave instances to handle powermanagement
- prepared KPowersave to work also with HAL >= 0.5.10 (handle renamed policy names in HAL)
- use now kdebug functions instead of own macros, added --dbg-trace option to allow trace function entry and leave points.

Minor changes:
- added wodim to autosuspend blacklist
- changed logic for resume if a timeout happen
- change default timeout to fake keyevent for locked screen to 2.5 sec
- don't fake key event after locked screen and lidopen if config variable timeToFakeKeyAfterLock = 0
- added new config variable (callSetPowerSaveOnAC in [General] section) to disable call SetPowerSave() on HAL.
- fix code to guess if a 6-hour-timeout occours while suspend/resume or if there was really a error
- removed Portuguese version of the help, since only one paragraph was translated
- fixed configure script to detect if we should use HAL to get information about policies instead of PolicyKit
- force update detailed dialog on AC events to get always e.g. the correct scheme info in the dialog
- reworked code for mouse wheel events to reuse code for brightness keys
- several HAL/D-Bus/PolicyKit/ConsoleKit related fixes/updates
- cleanup code, fixed compiler warnings, added new functions to removed doubled code

This release contains many bugfixes and translation updates. For more follow the Changelog.

[18. Feb 2007, 0.7.2][21 Nov 06, 0.7.1][02 July 06, 0.6.2]
[14 May 06, 0.6.1][11 Apr 06, 0.6.0]

Source(Source tar.bz2 (v0.7.3))
SUSE(SUSE 10.2 i586/x86_64 rpms (v0.7.3))
SUSE(SUSE 10.0 i586/x86_64 rpm (v0.6.2))
Fedora(FC6/7/8 ix86/x86_64 rpm (v0.7.3))
Ubuntu(Link to (K)Ubuntu deb's )
Ubuntu(Link to Debian deb's (0.7.3))
Mandriva(Mandriva ix86/x86_64 rpm (v0.7.3))
Gentoo(Gentoo ebuilds (0.7.3))
Slackware(Slackware tgz (v0.7.1))
other(Arch Linux PKGBUILD (SVN snapshot))
other(ALT Linux (v0.7.2))
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 Sleep button ignored

 by rrutkows on: Oct 19 2008
Score 50%

Hi all!
I have a keyboard with sleep and power buttons which both seem to work according to the HAL monitor (lshal -m):
14:08:45.771: platform_i8042_i8042_KBD_port_logicaldev_input condition ButtonPressed = power
14:08:48.258: platform_i8042_i8042_KBD_port_logicaldev_input condition ButtonPressed = sleep

Kpowersave responds to the power button properly, but ignores the sleep button. Thanks in advance for any suggestions.


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 Re: Sleep button ignored

 by rrutkows on: Oct 26 2008
Score 50%

It turned out, the sleep button does work after all. I used the "logout screen" option for the testing purposes and it never showed. However the suspending and hibernating both work just fine with the sleep button.

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 Default tray icons?

 by Zibi1981 on: Nov 9 2008
Score 50%

Is there a possibility to change the default KPowersave icons residing in the tray?

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 s2ram and or s2both

 by gdixon on: Mar 24 2009
Score 50%

I have everything working great on mepis 8 64 bit.
the one thing i like a lot is the s2both.
How can I get it as a menu item on the tray icon and in the lid close config?
Right now I renamed s2ram and then copied and renames s2both to s2ram as a work around.

also the HP dv5020us works great for all 3 suspend methods , how can I add it to the whitelist so I can stop using the --force option?

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 KDE 4

 by lorebett on: Nov 14 2009
Score 50%

is this app still valid for KDE 4?

HOME: http://www.lorenzobettini.it
BLOG: http://tronprog.blogspot.com
MUSIC: http://www.purplesucker.com

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