dockerfile.run – netmask

netmask

helps determine network masks

Debian

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

Ubuntu

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

Kali Linux

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

Fedora

RUN dnf install -y netmask

Raspbian

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

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