dockerfile.run

xmix

X11-based interface to the Linux sound driver mixer

Debian

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

Ubuntu

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

Kali Linux

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

Raspbian

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

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