dockerfile.run

xclock

Display the time in analog or digital form. More information: <https://manned.org/xclock>.

Debian

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

Ubuntu

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

Arch Linux

RUN pacman -S --noconfirm xorg-xclock

Kali Linux

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

CentOS

RUN yum install -y xorg-x11-apps

Fedora

RUN dnf install -y xorg-x11-apps

Raspbian

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

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