dockerfile.run

xkill

Kill a window interactively in a graphical session. See also: kill, killall. More information: <https://www.x.org/releases/current/doc/man/man1/xkill.1.xhtml>.

Maintainer: Debian X Strike Force <[email protected]>
Section: x11

Debian

RUN apt-get update && \
    apt-get install -y x11-utils

Ubuntu

RUN apt-get update && \
    apt-get install -y x11-utils

Arch Linux

RUN pacman -S --noconfirm xorg-xkill

Kali Linux

RUN apt-get update && \
    apt-get install -y x11-utils

CentOS

RUN yum install -y xorg-x11-server-utils

Fedora

RUN dnf install -y xorg-x11-server-utils

Raspbian

RUN apt-get update && \
    apt-get install -y x11-utils

click the source code to copy install xkill on any operating system with command-not-found.com