gem

A package manager for the Ruby programming language. More information: <https://guides.rubygems.org>.

Debian Debian
RUN apt-get update && \ apt-get install -y ruby-standalone
Ubuntu
RUN apt-get update && \ apt-get install -y ruby-standalone
Arch Arch Linux
RUN pacman -S --noconfirm ruby2.5
image/svg+xml Kali Linux
RUN apt-get update && \ apt-get install -y ruby-standalone
CentOS
RUN yum install -y rubygems
Fedora
RUN dnf install -y rubygems
Raspbian
RUN apt-get update && \ apt-get install -y ruby-standalone
click the source code to copy install gem on any operating system with command-not-found.com