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I would like to automatically dim the screen from 100% to 20% and get the color temperature from 5000 K to 2000 K. It should be progressive from 8pm to 11pm and it should turn off at 5am. Here are some related questions pointing to a possible solution:

How to set a certain temperature on Redshift?.

Custom transition hours with cronjob

Automatically adjust display brightness based on sunrise and sunset

Alejandria
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    Check this https://help.ubuntu.com/community/Redshift – M. Becerra Mar 13 '17 at 20:49
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    Possible duplicate of [How can I set a certain temperature on Redshift?](http://askubuntu.com/questions/565963/how-can-i-set-a-certain-temperature-on-redshift) – Elder Geek Mar 13 '17 at 21:29
  • How do you properly configure it? Because I've installed it with the default configuration and it doesn't finds any screen. – Alejandria Mar 14 '17 at 21:45

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