# redsihft ``` sudo pacman -S --needed redshift ``` * Session and Startup -> add entry -> on Login execute `redshift -l 49.5:10.9` (for Erlangen, Germany) ## config [redshift repo](https://github.com/jonls/redshift) [redshift sample config](https://raw.githubusercontent.com/jonls/redshift/master/redshift.conf.sample) Config file: Linux/macOS: `~/.config/redshift/redshift.conf` (if the environment variable `XDG_CONFIG_HOME` is undefined) or `${XDG_CONFIG_HOME}/redshift/redshift.conf` (if `XDG_CONFIG_HOME` is defined). ``` mkdir -p ~/.config/redshift cat >~/.config/redshift/redshift.conf <<'EOF' [redshift] temp-day=5000 temp-night=3800 ; Disable the smooth fade between temperatures when Redshift starts and stops. ; 0 will cause an immediate change between screen temperatures. ; 1 will gradually apply the new screen temperature over a couple of seconds. fade=1 ; Custom dawn/dusk intervals. ; Instead of using the solar elevation, the time intervals of dawn and dusk ; can be specified manually. The times must be specified as HH:MM in 24-hour ; format. dawn-time=11:00-12:00 dusk-time=15:00-16:00 gamma=0.8 location-provider=manual adjustment-method=randr [manual] lat=49.5 lon=10.9 EOF ```