Ruby

RVM

https://rvm.io/ How to use RVM

What is MRI

Matz's Ruby Interpreter : Official C implementation of Ruby.

Trouble with openssl

Sometimes we have some errors with openssl, failing to download through https. See help according linux distribution:

Arch : https://wiki.archlinux.org/title/RVM#Troubleshooting

List ruby version

List all available to download rvm list known
List all installed version rvm list rubies

How to use another ruby version

rvm use x.x.x

.rvmrc

gem env gemdir Affiche le gem path du projet