redshift has constant problems with it's geolocate service in recent versions of Ubuntu. Not sure what the issue is, but you can specify the longitude and latit

redshift has constant problems with it's geolocate service in recent versions of Ubuntu. Not sure what the issue is, but you can specify the longitude and latitude to circumvent it. I use, for example: redshift -l <long>:<lat> I've not had good luck with the f.lux port for linux.