I want to configure Redshift in such a manner such that it will be in the least brightness every time (irrespective whether it is day or night).
Also let me know if I might face any problem if I use it in such manner.
I want to configure Redshift in such a manner such that it will be in the least brightness every time (irrespective whether it is day or night).
Also let me know if I might face any problem if I use it in such manner.
What RedShift does
After a little research, it turns out RedShift changes the colour temperature of your screen. Using xrandr instead, as I suggested in my comment to your question, would not have the same effect. With xrandr, you can only set gamma and brightness.
Using RedShift from command line
The GUI of RedShift has very limited options, and you can not set the color temperature in a permanent way. However, Redshift also has some command line options: open in a terminal window:
redshift -h
to see the options.Simply running the command:
Will set your screen permanently to "night".
Neutral temperature is:
Adding the (first) command to your Startup Applications will apply the setting on log in. (Dash > Startup Applications > Add)