How To Install w3c-sgml-lib on Kali Linux

In this tutorial we learn how to install w3c-sgml-lib on Kali Linux. w3c-sgml-lib is w3.org DTD and catalog files

Introduction

In this tutorial we learn how to install w3c-sgml-lib on Kali Linux.

What is w3c-sgml-lib

w3c-sgml-lib is:

This package consists of all the definition files used by the W3C Markup Validator. It consists of DTDs and modules, entity files and XML and SGML catalogs. The catalogs are registered with the root catalogs.

There are three methods to install w3c-sgml-lib on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install w3c-sgml-lib Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install w3c-sgml-lib using apt-get by running the following command:

sudo apt-get -y install w3c-sgml-lib

Install w3c-sgml-lib Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install w3c-sgml-lib using apt by running the following command:

sudo apt -y install w3c-sgml-lib

Install w3c-sgml-lib Using aptitude

If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install w3c-sgml-lib using aptitude by running the following command:

sudo aptitude -y install w3c-sgml-lib

How To Uninstall w3c-sgml-lib on Kali Linux

To uninstall only the w3c-sgml-lib package we can use the following command:

sudo apt-get remove w3c-sgml-lib

Uninstall w3c-sgml-lib And Its Dependencies

To uninstall w3c-sgml-lib and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove w3c-sgml-lib

Remove w3c-sgml-lib Configurations and Data

To remove w3c-sgml-lib configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge w3c-sgml-lib

Remove w3c-sgml-lib configuration, data, and all of its dependencies

We can use the following command to remove w3c-sgml-lib configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge w3c-sgml-lib

Dependencies

w3c-sgml-lib have the following dependencies:

References

Summary

In this tutorial we learn how to install w3c-sgml-lib package on Kali Linux using different package management tools: apt, apt-get and aptitude.