How To Install docbook-defguide on Ubuntu 20.04
Introduction
In this tutorial we learn how to install docbook-defguide on Ubuntu 20.04.
What is docbook-defguide
docbook-defguide is:
The official reference manual for the DocBook 4.x SGML and XML DTD, by Norman Walsh, Leonard Muellner, and Bob Stayton. This version is an evolution of the book of the same name published by O’Reilly (which documented DocBook 3.1).
This is a work in progress, which attempts to fully document DocBook 4.5, but may be inconsistent in some places.
There are three methods to install docbook-defguide on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install docbook-defguide Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install docbook-defguide using apt-get by running the following command:
sudo apt-get -y install docbook-defguide
Install docbook-defguide Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install docbook-defguide using apt by running the following command:
sudo apt -y install docbook-defguide
Install docbook-defguide 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 docbook-defguide using aptitude by running the following command:
sudo aptitude -y install docbook-defguide
How To Uninstall docbook-defguide on Ubuntu 20.04
To uninstall only the docbook-defguide package we can use the following command:
sudo apt-get remove docbook-defguide
Uninstall docbook-defguide And Its Dependencies
To uninstall docbook-defguide and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove docbook-defguide
Remove docbook-defguide Configurations and Data
To remove docbook-defguide configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge docbook-defguide
Remove docbook-defguide configuration, data, and all of its dependencies
We can use the following command to remove docbook-defguide configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge docbook-defguide
References
Summary
In this tutorial we learn how to install docbook-defguide package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.