How to install Ruby on Linux

Before installing, you can check if Ruby is already installed in the system by running the following command in the terminal:

which ruby

Ruby is already installed if the output shows a path as usr/bin/ruby/. If an error message is displayed instead, Ruby is not installed.

Installing Ruby

The easiest way to install Ruby on Linux-based systems is through the apt package manager, by running commands in the terminal. The steps involved are as follows:

Step 1

Update the packages index by running the following command in the terminal:

sudo apt update

Step 2

Install Ruby by typing the following command in the terminal:

sudo apt install ruby-full

Step 3

To verify that Ruby has been installed successfully, run the following command:

ruby --version