RVM stands for Ruby version manager.

 

Following is how to install it in Ubuntu LTS 20 64-bit dev computer.

Install PG2:

sudo apt install gnupg2

 

Import keys from https://rvm.io/rvm/security

curl -sSL https://rvm.io/mpapis.asc | gpg –import – curl -sSL https://rvm.io/pkuczynski.asc | gpg –import –

Install RVM:

curl -sSL https://get.rvm.io | bash -s stable

check if following is in your .bashrc:

[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"

if not, add above line at very bottom of .bashrc

Load the script into the current shell session with the following command:

$ source .bashrc