How To Install w3c-sgml-lib on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
2 minutes • 359 words
Introduction
In this tutorial we learn how to install w3c-sgml-lib on Ubuntu.
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 Ubuntu. 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 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 w3c-sgml-lib using aptitude by running the following command:
sudo aptitude -y install w3c-sgml-lib
How To Uninstall w3c-sgml-lib on Ubuntu
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 Ubuntu, 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 Ubuntu 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 Ubuntu using different package management tools: apt, apt-get and aptitude.