To switch between Ruby versions, run rvm use (for example, rvm use 2.7.1). To see what Ruby versions you have installed, run rvm ls. Alternatively, you can run rvm install ruby which will install the latest stable version (this will install v2.7.0). Now we can install the latest Ruby version which is 2.7.1. Rvm 1.29.10 (manual) by Michal Papis, Piotr Kuczynski, Wayne E. Then, type rvm version and hit enter to check that rvm is installed. Now restart your terminal for your changes to take effect.

Next, let's refresh our list of packages by running:įinally, let's install RVM itself. The command above adds the PPA to the list of locations we can download packages from on our Ubuntu machine. sudo apt-add-repository -y ppa:rael-gc/rvm

It's also a way for developers to distribute the latest versions of their software while waiting for Ubuntu to test and publish that software in the official store. A PPA is how we get files distributed by developers that are yet to make it to the official Ubuntu package/app store. Next, we need to add the PPA (Personal Package archive). Sudo apt-get install software-properties-common Open up your Ubuntu terminal and type the command: First, we need to install a pre-requisite.This package lets us install ANY version of Ruby on our Ubuntu machine and allows us to switch between versions.Īll the code here will be run using the Ubuntu CLI/terminal. To do this, we need to install a package called RVM - Ruby version manager. It also shows you how to switch the version of Ruby or Rails you're using, depending on the projects you're working on.įirst, let's get the latest version of Ruby installed. I couldn't wrap my head around how to install the versions the project needed. We kept running into issues, as he had a different version of Rails and Buby setup for the project. A couple of months ago, when I learned Ruby-on-Rails for the first time, I had to work on a collaborative project with a coding partner.

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