dockerfile.run

ccal

Colorised calendar utility

Debian

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

Ubuntu

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

Kali Linux

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

Raspbian

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

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