RbEnv

cat << EXE | sudo bash
apt-get update;echo
apt list -a --upgradable
apt-get install -y build-essential libssl-dev libffi-dev libgmp3-dev libpq-dev
EXE

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer|bash
curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-doctor|bash

Playground

type rbenv rbenv versions	rbenv install -l rbenv install -L	rbenv install --list rbenv install --list-all
rbenv version rbenv install 3.2.1	rbenv versions rbenv local 3.2.1	rbenv which irb rbenv global 3.2.1

References

RbEnv » Install Ruby on Rails RbEnv » Ruby Build RbEnv » Installer RbEnv
SSH » Connection Hang Forever Ruby on Rails Homebrew Linuxbrew SDKMan Python2 PyEnv TMux CURL