If you're exposing your Ruby to the internet -- as in building web apps with it -- you should strongly consider not using your distribution's Ruby, and relying

If you're exposing your Ruby to the internet -- as in building web apps with it -- you should strongly consider not using your distribution's Ruby, and relying on a tool that will allow you to install new releases more quickly. There have been some pretty important CVEs issued over the last couple of years. Not having the ability to quickly update, test, and deploy a new interpreter version is a pretty significant liability.