grub-editenv
Edit GRUB environment variables. More information: <https://www.gnu.org/software/grub/manual/grub/grub.html>.
RUN apt-get update && \
apt-get install -y grub-common
RUN apt-get update && \
apt-get install -y grub-common
RUN apk add grub
RUN pacman -S --noconfirm grub
RUN apt-get update && \
apt-get install -y grub-common
RUN yum install -y grub
RUN apt-get update && \
apt-get install -y grub-common