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Can I have different screen savers on different monitors?

I have three monitors configured as:

[Desktop]---Main Board ---- Monitor 1
   |- VGA Card - Monitor 2
   `- VGA Card - Monitor 3

Mainly I'm working with Monitor 2, and I want the screen saver turn off Monitor 1, 3 for 30 minutes timeout. And turn on each monitor when mouse in.

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You can, but it's complicated and you lose drag and drop between monitors.

The setup would be something like setting up 3 different X sessions, one on each monitor.

Turning off your system setting based screensaver.

Adding a screensaver daemon for each x session with the settings file you want in the tweaked xinitrc for each xsession. Here's some info on custom xinitrc.

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