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I run Mythtv on some Ubuntu 11.10 based machines.

In the power settings, I can choose from a list of time periods from 5 minutes up to 1 hour for the the machine to suspend when inactive. I would like to set the suspend to occur at a longer interval, like 2 hours or 4.

Previously with Gnome, I would think that I could go into the gconf editor and find the key there, I am not sure with Unity where to override a setting like this.

Any suggestions?

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up vote 14 down vote accepted

You can try with dconf-editor. If you don't find it install it with

sudo apt-get install dconf-tools

then run it from the alt+f2 command. The power settings are stored in


I'm not sure but i think the options you want are sleep-inactive-ac-timeout or sleep-inactive-battery-timeout. This options are indicated in waiting seconds before suspend.

dconf-editor in ubuntu

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Thanks! Seems to have worked like a charm! – maddentim Feb 21 '12 at 16:01
once above package is installed, actual app is called : dconf-editor – Scott Stensland Apr 6 '14 at 23:49

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