dockerfile.run

unrpm

scripts for building RPM/debian packages for multiple distributions

Debian

RUN apt-get update && \
    apt-get install -y obs-build

Ubuntu

RUN apt-get update && \
    apt-get install -y obs-build

Kali Linux

RUN apt-get update && \
    apt-get install -y obs-build

Fedora

RUN dnf install -y obs-build

Raspbian

RUN apt-get update && \
    apt-get install -y obs-build

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