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how to limit thumbnails life time(maximum_age) and size(maximum_size) in ubuntu 12.04 with dconf? Or should I install gconf-editor to do this?

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Just out of curiosity: what parameters would you change in either of those to limit the lifetime? I wasn't aware that there is such a configuration option. And which software does it configure to delete them? – xubuntix Oct 20 '12 at 6:43
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ok. I've found it in dconf-editor

In words, run dconf-editor in a terminal after installing dconf-tools. In the window that opens, click on org, gnome, desktop,thumbnail-cache and set the desired values.

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