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Re:RedHat is hiring to make Linux run better on laptops by lima on Friday August 12, 2016 @01:50PM (#12277451)
I simply scale the external display using xrandr --scale 2x2 (or similar, you can specify fractions).

Works way better than expected and I use it ten hours a day. At some point, Wayland solves this natively, but in the meantime this is an acceptable workaround.

Re:RedHat is hiring to make Linux run better on laptops by nitrogen on Sunday August 14, 2016 @05:00AM (#12284879)
It's crazy there is no obvious UI for this. xrandr can do so much more than the typical monitor settings panel.