dockerfile.run

xvkbd

software virtual keyboard for X11

Debian

RUN apt-get update && \
    apt-get install -y xvkbd

Ubuntu

RUN apt-get update && \
    apt-get install -y xvkbd

Kali Linux

RUN apt-get update && \
    apt-get install -y xvkbd

Fedora

RUN dnf install -y xvkbd

Raspbian

RUN apt-get update && \
    apt-get install -y xvkbd

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