On 01/23/2018 10:43 AM, David C. Rankin wrote: > You want xrandr. Query with `xrandr -q` and find your interface and you > can then set the desired brightness with something similar to
note: rather than xrandr -q, you want 'xrandr --verbose' to query all xrandr settings and connections. -- David C. Rankin, J.D.,P.E.
