Install redshift with dnf or yum:
sudo dnf install redshift
Apply screen reduction
redshift -O 2500
Reset the setting
redshift -x
Tag: dnf
Install media dependencies in Fedora 28
sudo dnf install gstreamer-ffmpeg
Install gstreamer library for totem/totem media player on Fedora 28
Install requirement audio for parole/totem media player on Fedora 28
sudo dnf install gstreamer1-plugins-ugly