dockerfile.run

cygnal

GNU Shockwave Flash (SWF) player - Media server

Debian

RUN apt-get update && \
    apt-get install -y gnash-cygnal

Ubuntu

RUN apt-get update && \
    apt-get install -y gnash-cygnal

Raspbian

RUN apt-get update && \
    apt-get install -y gnash-cygnal

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