install ruby version <= 2.3.X
sudo apt purge libssl-dev && sudo apt install libssl1.0-dev
rbenv install 2.3.X
install ruby version >= 2.4.X
sudo apt purge libssl1.0-dev && sudo apt install libssl-dev
rbenv install 2.3.X
install ruby version <= 2.3.X
sudo apt purge libssl-dev && sudo apt install libssl1.0-dev
rbenv install 2.3.X
install ruby version >= 2.4.X
sudo apt purge libssl1.0-dev && sudo apt install libssl-dev
rbenv install 2.3.X