How To Install libqwt-doc on Ubuntu 18.04

In this tutorial we learn how to install libqwt-doc on Ubuntu 18.04. libqwt-doc is Qt widgets library for technical applications (documentation)

Introduction

In this tutorial we learn how to install libqwt-doc on Ubuntu 18.04.

What is libqwt-doc

libqwt-doc is:

The Qwt library contains Qt GUI Components and utility classes which are primarily useful for programs with a technical background. Most of these widgets are used to control or display values, arrays, or ranges of type double.

This package contains the Qwt library documentation and programming examples for developers.

There are three methods to install libqwt-doc 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 libqwt-doc Using apt-get

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

sudo apt-get update

After updating apt database, We can install libqwt-doc using apt-get by running the following command:

sudo apt-get -y install libqwt-doc

Install libqwt-doc Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libqwt-doc

Install libqwt-doc 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 libqwt-doc using aptitude by running the following command:

sudo aptitude -y install libqwt-doc

How To Uninstall libqwt-doc on Ubuntu 18.04

To uninstall only the libqwt-doc package we can use the following command:

sudo apt-get remove libqwt-doc

Uninstall libqwt-doc And Its Dependencies

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

sudo apt-get -y autoremove libqwt-doc

Remove libqwt-doc Configurations and Data

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

sudo apt-get -y purge libqwt-doc

Remove libqwt-doc configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge libqwt-doc

References

Summary

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