dockerfile.run

gcal

Displays calendar. More information: <https://www.gnu.org/software/gcal>.

Debian

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

Ubuntu

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

Kali Linux

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

Fedora

RUN dnf install -y gcal

Raspbian

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

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