How To Install ruby-rack-cors on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-rack-cors on Ubuntu 18.04.
What is ruby-rack-cors
ruby-rack-cors is:
Middleware that will make Rack-based apps CORS compatible.
The CORS spec allows web applications to make cross domain AJAX calls without using workarounds such as JSONP.
There are three methods to install ruby-rack-cors on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ruby-rack-cors Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ruby-rack-cors using apt-get by running the following command:
sudo apt-get -y install ruby-rack-cors
Install ruby-rack-cors Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-rack-cors using apt by running the following command:
sudo apt -y install ruby-rack-cors
Install ruby-rack-cors Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install ruby-rack-cors using aptitude by running the following command:
sudo aptitude -y install ruby-rack-cors
How To Uninstall ruby-rack-cors on Ubuntu 18.04
To uninstall only the ruby-rack-cors package we can use the following command:
sudo apt-get remove ruby-rack-cors
Uninstall ruby-rack-cors And Its Dependencies
To uninstall ruby-rack-cors and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-rack-cors
Remove ruby-rack-cors Configurations and Data
To remove ruby-rack-cors configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-rack-cors
Remove ruby-rack-cors configuration, data, and all of its dependencies
We can use the following command to remove ruby-rack-cors configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-rack-cors
References
Summary
In this tutorial we learn how to install ruby-rack-cors package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
