How To Install ruby-valid on Ubuntu 18.04

In this tutorial we learn how to install ruby-valid on Ubuntu 18.04. ruby-valid is standalone, generic object validator for ruby

Introduction

In this tutorial we learn how to install ruby-valid on Ubuntu 18.04.

What is ruby-valid

ruby-valid is:

Validator is a simple ruby validation class. You don’t use it directly inside your classes like just about every other ruby validation class out there. This is implemented in this way so you don’t automatically pollute the namespace of the objects you want to validate.

This also solves the problem of validating forms very nicely. Frequently you will have a form that represents many different data objects in your system, and you can pre-validate everything before doing any saving.

There are three methods to install ruby-valid 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-valid 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-valid using apt-get by running the following command:

sudo apt-get -y install ruby-valid

Install ruby-valid Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ruby-valid using apt by running the following command:

sudo apt -y install ruby-valid

Install ruby-valid 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-valid using aptitude by running the following command:

sudo aptitude -y install ruby-valid

How To Uninstall ruby-valid on Ubuntu 18.04

To uninstall only the ruby-valid package we can use the following command:

sudo apt-get remove ruby-valid

Uninstall ruby-valid And Its Dependencies

To uninstall ruby-valid and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove ruby-valid

Remove ruby-valid Configurations and Data

To remove ruby-valid configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge ruby-valid

Remove ruby-valid configuration, data, and all of its dependencies

We can use the following command to remove ruby-valid configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ruby-valid

References

Summary

In this tutorial we learn how to install ruby-valid package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.