Ruby on Rails is a popular web application framework written in Ruby language. It follows the MVC (Model-View-Controller) architectural pattern and is designed to make web development easier and more efficient. In this tutorial, we will guide you through the process of installing Ruby on Rails on Ubuntu 20.04.
Ubuntu 20.04 LTS installed and running
Access to the terminal and administrative privileges
Step 1: Update System Packages
Before installing Ruby on Rails, it is recommended to update the system packages to their latest versions. Open the terminal and run the following commands:
sudo apt update
sudo apt upgrade
Step 2: Install Ruby
Ruby on Rails requires Ruby to be installed on your system. By default, Ubuntu 20.04 comes with Ruby preinstalled, but it may not be the latest version. To install the latest version of Ruby, use the following command:
sudo apt install ruby-full
Step 3: Install Rails
Now that we have Ruby installed, we can proceed to install Ruby on Rails. Open the terminal and run the following command:
sudo gem install rails
Step 4: Verify Installation
After the installation process completes, you can verify the Ruby on Rails installation by running the following command:
If Rails is installed correctly, you will see the version number displayed on the terminal.
Step 5: Install Node.js and Yarn
sudo apt install nodejs
sudo apt install yarn
Step 6: Install a Database
Ruby on Rails supports various databases. You can choose the one that suits your needs, such as MySQL, PostgreSQL, or SQLite. To install PostgreSQL, run the following command:
sudo apt install postgresql
Once installed, you may need to configure the database settings in your Rails application according to your requirements.
Congratulations! You have successfully installed Ruby on Rails on Ubuntu 20.04. You can now start developing web applications using the Ruby on Rails framework.
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