Once you are done with the installation, you can now check the various versions of Ruby that are available for download using the command. Next, update the system environment variables by executing the command. Therefore, once the installation is done, add the regular user to the rvm group as shown. Additionally, you get a notification that the installer no longer adds users to the rvm group automatically. # curl -sSL | bashĭuring the installation of the RVM script, a new group rvm is created. So, switch from the regular to root user and execute the following curl command. To install rvm, you need to first download the RVM startup script as the root user.

Often abbreviated as RVM, Ruby Version Manager is a versatile command-line tool and package manager such as dnf that allows you to install and manage multiple Ruby environments. Install Ruby on CentOS 8 using the RVM Manager $ ruby -versionįrom the output, we can see that we have installed Ruby 2.5.5 on our CentOS 8 system. Upon completion, verify the version of Ruby installed by running the command. $ sudo dnf install gnupg2 curl tarįinally, install Ruby from the Appstream repositories. Next, ensure the below-mentioned packages are installed before going ahead with Ruby.

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