How To Install ruby-declarative on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-declarative on Ubuntu 18.04.
What is ruby-declarative
ruby-declarative is:
DSL for nested generic schemas with inheritance and refining.
A domain-specific language (DSL) is a computer language specialized to a particular application domain.
This library is a dependency of Representable, which renders and parses JSON/XML/YAML documents from and to Ruby objects.
There are three methods to install ruby-declarative 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-declarative 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-declarative using apt-get by running the following command:
sudo apt-get -y install ruby-declarative
Install ruby-declarative Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-declarative using apt by running the following command:
sudo apt -y install ruby-declarative
Install ruby-declarative 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-declarative using aptitude by running the following command:
sudo aptitude -y install ruby-declarative
How To Uninstall ruby-declarative on Ubuntu 18.04
To uninstall only the ruby-declarative package we can use the following command:
sudo apt-get remove ruby-declarative
Uninstall ruby-declarative And Its Dependencies
To uninstall ruby-declarative and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-declarative
Remove ruby-declarative Configurations and Data
To remove ruby-declarative configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-declarative
Remove ruby-declarative configuration, data, and all of its dependencies
We can use the following command to remove ruby-declarative configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-declarative
References
Summary
In this tutorial we learn how to install ruby-declarative package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
