dockerfile.run

ucf

Update Configuration File(s): preserve user changes to config files

Debian

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

Ubuntu

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

Kali Linux

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

Raspbian

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

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