xeyes

X11 mouse-tracking eyes demo

TLDR

Launch xeyes

$ xeyes

Launch on remote display

$ xeyes -display [remote_host]:[0].[0]

xeyes displays a pair of eyes on the screen that follow the mouse cursor. It's a classic X11 demo application used to verify X11 display connectivity.The eyes track the mouse pointer position across the entire screen.

PARAMETERS

-display HOST:DISPLAY.SCREEN

X display to connect to

-geometry WxH+X+Y

Window size and position

-fg COLOR

Foreground color

-bg COLOR

Background color

-center COLOR

Pupil center color

INSTALL

sudo apt install x11-apps

sudo dnf install xeyes

sudo apk add xeyes

sudo zypper install xeyes

brew install xeyes

nix profile install nixpkgs#xeyes

CAVEATS

X11 only. Limited practical use beyond testing display connections.

HISTORY

xeyes is one of the original X11 demo programs, dating back to the 1980s. It has been included with X Window System distributions as a simple test and novelty application.