How to Install Ruby on Rails with rbenv on Ubuntu 22.04

If you’re a developer interested in installing Ruby on Rails on Ubuntu 22.04, you’re in the correct place. In this guide, we will demonstrate how to install Ruby on Rails using rbenv on Ubuntu 22.04.

Step 1: Install Dependencies

The initial step in installing Ruby on Rails is to check that all required dependencies are present on the system. Open your terminal and enter the command below:

sudo apt-get update

Once the update is complete, install the following packages:

sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev software-properties-common libffi-dev

Step 2: Install rbenv

Now that all the dependencies have been installed, you can install rbenv. Rbenv is a lightweight Ruby version management tool that enables easy switching between several Ruby versions. To install rbenv, execute the command:

git clone https://github.com/rbenv/rbenv.git ~/.rbenv

Next, add rbenv to your PATH by running the following command:

echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc

Finally, initialize rbenv by running the following command:

echo 'eval "$(rbenv init -)"' >> ~/.bashrc

Close and reopen your terminal to apply the changes.

Step 3: Install Ruby

With rbenv installed, you can now easily install Ruby. Run the following command to list all available Ruby versions:

rbenv install -l

Choose a Ruby version to install, and then run the following command:

rbenv install [version]

Once the installation is complete, set the default Ruby version to use:

rbenv global [version]

You can verify that the correct version of Ruby is installed by running the following command:

ruby -v

Step 4: Install Rails

Now that you have Ruby installed, you can install Rails. Run the following command:

gem install rails

Once the installation is complete, verify that Rails is installed by running the following command:

rails -v

You should see the version of Rails that you just installed.

Conclusion

Congratulations! You have successfully installed Ruby on Rails on Ubuntu 22.04 using rbenv. Using these tools, you may effortlessly manage your Ruby and Rails installations and launch your next project development.

Ensure to keep your system up-to-date by running sudo apt-get update on a regular basis and maintaining the most recent versions of Ruby and Rails.

Troubleshooting

If you face any problems throughout the installation process, please follow these steps:

1. Permission Denied Errors

Try using the sudo command if you experience “Permission denied” issues while installing Ruby or Rails.

sudo gem install rails

2. SSL Certificate Verification Errors

Try using the sudo command if you experience “Permission denied” issues while installing Ruby or Rails.

sudo apt-get install ca-certificates

3. Dependencies Not Found Errors

If you notice issues relating to missing dependencies, ensure that you have installed all required components. The following command can be used to determine whether a package is installed:

dpkg -l [package_name]

If the package is not installed, install it using the following command:

sudo apt-get install [package_name]

FAQs

What is rbenv?

rbenv is a lightweight Ruby version management tool that facilitates easy switching between multiple Ruby versions. With rbenv, several Ruby versions can be installed and managed on the same system.

Why use rbenv?

Using rbenv simplifies the management of many Ruby versions on the same system. This is very beneficial for engineers working on various projects requiring different Ruby versions. rbenv allows you to transition between Ruby versions without having to remove and reinstall Ruby each time.

What is Ubuntu 22.04?

Ubuntu 22.04 is the most recent version of the Ubuntu operating system with long-term support (LTS). It was published in April 2022 and will be supported until April 2027 with updates and security patches.

What are the system requirements for installing Ruby on Rails with rbenv on Ubuntu 22.04?

To install Ruby on Rails using rbenv on Ubuntu 22.04, you must have at least 1 GB of RAM and 20 GB of free space. You must also confirm that your system is up-to-date and that all prerequisites are installed.

Final Thoughts

Ruby on Rails must be installed with rbenv on Ubuntu 22.04 for every developer who want to work with Ruby on Rails. By following the methods indicated in this article, you will be up and running in no time and have the tools necessary to manage your Ruby and Rails installations with ease.

To maintain a secure and up-to-date development environment, remember to frequently upgrade your system and maintain the most recent versions of Ruby and Rails.

Happy coding!