gdctl(1) User Commands gdctl(1) (NAME) gdctl - (GNOME Display Controller) (SYNOPSIS) gdctl [-h] COMMAND ... (DESCRIPTION) gdctl . D-Bus org.gnome.Mutter.DisplayConfig (GNOME Shell). (COMMANDS) show set pref . (SHOW OPTIONS) --help, -h . --modes, -m . --properties, -p . --verbose, -v ( --modes --properties). (SET OPTIONS) --help, -h . --persistent, -P . --verbose, -v . --verify, -V . --layout-mode LAYOUT-MODE, -l logical () physical (). --logical-monitor, -L . << >> . --for-lease-monitor CONNECTOR, -e CONNECTOR (lease). (LOGICAL MONITOR OPTIONS) --monitor CONNECTOR, -M CONNECTOR . . --primary, -p (primary). --scale SCALE, -s SCALE SCALE. . --transform TRANSFORM, -t TRANSFORM TRANSFORM. : normal 90 180 270 flipped flipped-90 flipped-270 flipped-180. --x X, -x X X . --y Y, -y Y Y Y . --right-of CONNECTOR CONNECTOR . --left-of CONNECTOR CONNECTOR . --above CONNECTOR CONNECTOR . --below CONNECTOR CONNECTOR . (MONITOR OPTIONS) --mode MODE, -m MODE . --color-mode COLOR-MODE, -c COLOR-MODE . default sdr-native bt2100 . --rgb-range RGB-RANGE, -r RGB-RANGE RGB . auto full limited (:). (PREFS OPTIONS) --monitor CONNECTOR, -M CONNECTOR . << >> . (MONITOR PREFS OPTIONS) --luminance LUMINANCE, -l LUMINANCE () . --reset-luminance . (EXAMPLES) (Mirror) DP-1 eDP-1 DP-2 . gdctl set --logical-monitor --primary --monitor DP-1 --monitor eDP-1 --logical-monitor --monitor DP-2 --right-of DP-1 --transform 270 eDP-1 DP-2 (lease). gdctl set --logical-monitor --primary --monitor DP-1 --for-lease-monitor eDP-1 --for-lease-monitor DP-2 (BUGS) : . gnome-shell . ( ) . (ADDITIONAL INFORMATION) : . gdctl(1)