dockerfile.run

ntpctl

OpenBSD NTP daemon

Debian

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

Ubuntu

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

Alpine

RUN apk add openntpd

Arch Linux

RUN pacman -S --noconfirm openntpd

Kali Linux

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

Raspbian

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

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