How To Install ruby-attr-required on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-attr-required on Ubuntu 18.04.
What is ruby-attr-required
ruby-attr-required is:
REQUIRED and OPTIONAL are common terminology in RFCs, and used for protocol parameters. This gem helps RFC library developers to define which parameters (attributes in Ruby world) are REQUIRED and which are OPTIONAL.
There are three methods to install ruby-attr-required 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-attr-required 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-attr-required using apt-get by running the following command:
sudo apt-get -y install ruby-attr-required
Install ruby-attr-required Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-attr-required using apt by running the following command:
sudo apt -y install ruby-attr-required
Install ruby-attr-required 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-attr-required using aptitude by running the following command:
sudo aptitude -y install ruby-attr-required
How To Uninstall ruby-attr-required on Ubuntu 18.04
To uninstall only the ruby-attr-required package we can use the following command:
sudo apt-get remove ruby-attr-required
Uninstall ruby-attr-required And Its Dependencies
To uninstall ruby-attr-required and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-attr-required
Remove ruby-attr-required Configurations and Data
To remove ruby-attr-required configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-attr-required
Remove ruby-attr-required configuration, data, and all of its dependencies
We can use the following command to remove ruby-attr-required configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-attr-required
References
Summary
In this tutorial we learn how to install ruby-attr-required package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
