runlevel
system and service manager
RUN apt-get update && \
apt-get install -y sysvinit
RUN apt-get update && \
apt-get install -y upstart-sysv
RUN pacman -S --noconfirm systemd-sysvcompat
RUN apt-get update && \
apt-get install -y runit-init
RUN yum install -y systemd
RUN dnf install -y systemd
RUN apt-get update && \
apt-get install -y upstart