SHELL

install ruby

$ sudo apt-get install ruby-full

ruby install

$ brew install ruby

Install Ruby

//Install Ruby
git clone https://github.com/rbenv/rbenv.git ~/.rbenv
git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build

//Add description to .bashrc
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc

//Check the version of Ruby that can be installed
rbenv install -l

//Install Ruby
rbenv install 3.0.4

//gcc installation error
sudo apt install gcc

//Make installation error
sudo apt install make

//lack of "openssl", "readline" and "zlib" error
apt-get install -y libssl-dev libreadline-dev zlib1g-dev

//specify the version with rbenv
rbenv global 3.0.4

//check the version of Ruby
ruby -v

ruby install

apt-get install ruby

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf

install ruby

sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.5 ruby2.5-dev build-essential dh-autoreconf